December 2025 - ffmpeg-devel - lists.ffmpeg.org

[PATCH v2] avformat/wavenc: use RF64 when needed
by Jason A. Donenfeld 23 Jan '26

23 Jan '26

Currently if you encode a large wav, ffmpeg will hint after the fact that the resultant file is corrupted, because traditional wav cannot handle lengths greater than 32-bits. This isn't very useful; nobody benefits from getting garbage files. You can manually work around this by adding `-rf64 always`, which most players have support for. Most people don't remember to do this until after the fact when their file is corrupted, or they don't figure it out at all and wind up using the w64 container instead. And so that's what `-rf64 auto` is for. It uses the larger format when needed, and if not, uses the traditional wav that is probably more compatible. The result of using `-rf64 auto` is that you can add it to every command line -- and should add it to every command line -- to get either a normal small file, or a non-corrupt large file. This is a very sensible default to have on, rather than just producing corrupt files and having users scrambling for solutions, and then having to do a potentially expensive reencode after. With `-rf64 auto` on by default, the user always gets a readable good file. And for users who sometimes want corrupt files, there still exists `-rf64 never` that can be enabled. The fate changes needed to be regenerated, though, because this does change the size of the normal non 64-bit RIFF header, because the `-rf64 auto` code path still makes room for it, even if it doesn't wind up being used. Though some old buggy players relied on having fixed 44-byte RIFF headers, those old buggy players actually haven't worked with ffmpeg's wav files for a long time anyway, even in `-rf64 no` mode, because ffmpeg adds the ISFT filed for the libavformat version. So this patch shouldn't make any difference in terms of current compatibility. --- libavformat/wavenc.c | 2 +- tests/ref/acodec/adpcm-adx | 2 +- tests/ref/acodec/adpcm-argo | 2 +- tests/ref/acodec/adpcm-ima_alp | 2 +- tests/ref/acodec/adpcm-ima_apm | 2 +- tests/ref/acodec/adpcm-ima_qt | 2 +- tests/ref/acodec/adpcm-ima_qt-trellis | 2 +- tests/ref/acodec/adpcm-ima_ssi | 2 +- tests/ref/acodec/adpcm-ima_wav | 6 +-- tests/ref/acodec/adpcm-ima_wav-trellis | 6 +-- tests/ref/acodec/adpcm-ima_ws | 2 +- tests/ref/acodec/adpcm-ms | 6 +-- tests/ref/acodec/adpcm-ms-trellis | 6 +-- tests/ref/acodec/adpcm-swf | 2 +- tests/ref/acodec/adpcm-swf-trellis | 2 +- tests/ref/acodec/adpcm-swf-wav | 6 +-- tests/ref/acodec/adpcm-yamaha | 6 +-- tests/ref/acodec/adpcm-yamaha-trellis | 6 +-- tests/ref/acodec/alac | 2 +- tests/ref/acodec/flac | 2 +- tests/ref/acodec/flac-exact-rice | 2 +- tests/ref/acodec/g723_1 | 2 +- tests/ref/acodec/mp2 | 2 +- tests/ref/acodec/mp2fixed | 2 +- tests/ref/acodec/pcm-alaw | 6 +-- tests/ref/acodec/pcm-f32be | 2 +- tests/ref/acodec/pcm-f32le | 6 +-- tests/ref/acodec/pcm-f64be | 2 +- tests/ref/acodec/pcm-f64le | 6 +-- tests/ref/acodec/pcm-mulaw | 6 +-- tests/ref/acodec/pcm-s16be | 2 +- tests/ref/acodec/pcm-s16be_planar | 2 +- tests/ref/acodec/pcm-s16le | 6 +-- tests/ref/acodec/pcm-s16le_planar | 2 +- tests/ref/acodec/pcm-s24be | 2 +- tests/ref/acodec/pcm-s24le | 6 +-- tests/ref/acodec/pcm-s24le_planar | 2 +- tests/ref/acodec/pcm-s32be | 2 +- tests/ref/acodec/pcm-s32le | 6 +-- tests/ref/acodec/pcm-s32le_planar | 2 +- tests/ref/acodec/pcm-s8 | 2 +- tests/ref/acodec/pcm-s8_planar | 2 +- tests/ref/acodec/pcm-u16be | 2 +- tests/ref/acodec/pcm-u16le | 2 +- tests/ref/acodec/pcm-u24be | 2 +- tests/ref/acodec/pcm-u24le | 2 +- tests/ref/acodec/pcm-u32be | 2 +- tests/ref/acodec/pcm-u32le | 2 +- tests/ref/acodec/pcm-u8 | 6 +-- tests/ref/acodec/roqaudio | 2 +- tests/ref/acodec/s302m | 2 +- tests/ref/acodec/tta | 2 +- tests/ref/acodec/wavpack | 2 +- tests/ref/fate/gapless-mp3 | 4 +- tests/ref/lavf/peak.wav | 4 +- tests/ref/lavf/peak_only.wav | 4 +- tests/ref/lavf/wav | 4 +- tests/ref/seek/acodec-adpcm-ima_wav | 54 ++++++++++----------- tests/ref/seek/acodec-adpcm-ima_wav-trellis | 54 ++++++++++----------- tests/ref/seek/acodec-adpcm-ms | 54 ++++++++++----------- tests/ref/seek/acodec-adpcm-ms-trellis | 54 ++++++++++----------- tests/ref/seek/acodec-adpcm-yamaha | 54 ++++++++++----------- tests/ref/seek/acodec-adpcm-yamaha-trellis | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-alaw | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-f32le | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-f64le | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-mulaw | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-s16le | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-s24le | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-s32le | 54 ++++++++++----------- tests/ref/seek/acodec-pcm-u8 | 54 ++++++++++----------- tests/ref/seek/lavf-wav | 30 ++++++------ 72 files changed, 484 insertions(+), 484 deletions(-) diff --git a/libavformat/wavenc.c b/libavformat/wavenc.c index a515f4e2a2..835a2157bc 100644 --- a/libavformat/wavenc.c +++ b/libavformat/wavenc.c @@ -487,7 +487,7 @@ static const AVOption options[] = { { "off", "Do not write peak chunk.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_OFF }, 0, 0, ENC, .unit = "peak" }, { "on", "Append peak chunk after wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ON }, 0, 0, ENC, .unit = "peak" }, { "only", "Write only peak chunk, omit wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ONLY }, 0, 0, ENC, .unit = "peak" }, - { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64), AV_OPT_TYPE_INT, { .i64 = RF64_NEVER },-1, 1, ENC, .unit = "rf64" }, + { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64), AV_OPT_TYPE_INT, { .i64 = RF64_AUTO },-1, 1, ENC, .unit = "rf64" }, { "auto", "Write RF64 header if file grows large enough.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_AUTO }, 0, 0, ENC, .unit = "rf64" }, { "always", "Always write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_ALWAYS }, 0, 0, ENC, .unit = "rf64" }, { "never", "Never write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_NEVER }, 0, 0, ENC, .unit = "rf64" }, diff --git a/tests/ref/acodec/adpcm-adx b/tests/ref/acodec/adpcm-adx index 2c8550fb72..9dbe2c3dd6 100644 --- a/tests/ref/acodec/adpcm-adx +++ b/tests/ref/acodec/adpcm-adx @@ -1,4 +1,4 @@ c257001314241b469a6512616fd56548 *tests/data/fate/acodec-adpcm-adx.adx 297738 tests/data/fate/acodec-adpcm-adx.adx -5b5a436ec9d528d6eb0bebaf667521b0 *tests/data/fate/acodec-adpcm-adx.out.wav +7c8ce1b968483c2be151d6b68fe6ee9a *tests/data/fate/acodec-adpcm-adx.out.wav stddev: 2549.93 PSNR: 28.20 MAXDIFF:57514 bytes: 1058400/ 1058432 diff --git a/tests/ref/acodec/adpcm-argo b/tests/ref/acodec/adpcm-argo index 4032a8f1fe..e9eee4e6ad 100644 --- a/tests/ref/acodec/adpcm-argo +++ b/tests/ref/acodec/adpcm-argo @@ -1,4 +1,4 @@ 14b2507d14e95c20bb7ae49b4fcbcbf1 *tests/data/fate/acodec-adpcm-argo.argo_asf 281190 tests/data/fate/acodec-adpcm-argo.argo_asf -446f28460bdb7ff4361cf7d82ac22c3e *tests/data/fate/acodec-adpcm-argo.out.wav +02635f8d99a0f965b0bff18a796abe6b *tests/data/fate/acodec-adpcm-argo.out.wav stddev: 1542.05 PSNR: 32.57 MAXDIFF:59667 bytes: 1058400/ 1058432 diff --git a/tests/ref/acodec/adpcm-ima_alp b/tests/ref/acodec/adpcm-ima_alp index a4e7143277..48d4021d9a 100644 --- a/tests/ref/acodec/adpcm-ima_alp +++ b/tests/ref/acodec/adpcm-ima_alp @@ -1,4 +1,4 @@ d84466bdfbe6405fa31e44df255f6aad *tests/data/fate/acodec-adpcm-ima_alp.alp 264620 tests/data/fate/acodec-adpcm-ima_alp.alp -d60c48654568a1cf0abd56b565b12f00 *tests/data/fate/acodec-adpcm-ima_alp.out.wav +0bc6902a854ca28230606584e2401de9 *tests/data/fate/acodec-adpcm-ima_alp.out.wav stddev: 1467.15 PSNR: 33.00 MAXDIFF:33866 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/adpcm-ima_apm b/tests/ref/acodec/adpcm-ima_apm index 83bd21f831..71dc885d9f 100644 --- a/tests/ref/acodec/adpcm-ima_apm +++ b/tests/ref/acodec/adpcm-ima_apm @@ -1,4 +1,4 @@ 2e795c6c06baabe01ab92864d963e71b *tests/data/fate/acodec-adpcm-ima_apm.apm 264700 tests/data/fate/acodec-adpcm-ima_apm.apm -201607bf7610f062b9a1e6524354c569 *tests/data/fate/acodec-adpcm-ima_apm.out.wav +bf17cd56a9e4054f573e512ba76beecf *tests/data/fate/acodec-adpcm-ima_apm.out.wav stddev: 904.76 PSNR: 37.20 MAXDIFF:34029 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/adpcm-ima_qt b/tests/ref/acodec/adpcm-ima_qt index 364dfa1e0e..6e070192dd 100644 --- a/tests/ref/acodec/adpcm-ima_qt +++ b/tests/ref/acodec/adpcm-ima_qt @@ -1,4 +1,4 @@ 44691f14cf5bbef5005df27c692b93ab *tests/data/fate/acodec-adpcm-ima_qt.aiff 281252 tests/data/fate/acodec-adpcm-ima_qt.aiff -7d2f26ea48731b2399718de0f6c39f0c *tests/data/fate/acodec-adpcm-ima_qt.out.wav +3ad813a6694be91ec3cf1a7e6f3d1ea9 *tests/data/fate/acodec-adpcm-ima_qt.out.wav stddev: 904.76 PSNR: 37.20 MAXDIFF:34029 bytes: 1058400/ 1058560 diff --git a/tests/ref/acodec/adpcm-ima_qt-trellis b/tests/ref/acodec/adpcm-ima_qt-trellis index 0a09965e1e..4a2fea14f8 100644 --- a/tests/ref/acodec/adpcm-ima_qt-trellis +++ b/tests/ref/acodec/adpcm-ima_qt-trellis @@ -1,4 +1,4 @@ 15f895c2e7119714f94333e3214d8426 *tests/data/fate/acodec-adpcm-ima_qt-trellis.aiff 281252 tests/data/fate/acodec-adpcm-ima_qt-trellis.aiff -593d68369c87d4e3b7323b1bea3e9315 *tests/data/fate/acodec-adpcm-ima_qt-trellis.out.wav +50656603e3a0ec215e5582979d21d63e *tests/data/fate/acodec-adpcm-ima_qt-trellis.out.wav stddev: 716.74 PSNR: 39.22 MAXDIFF:29633 bytes: 1058400/ 1058560 diff --git a/tests/ref/acodec/adpcm-ima_ssi b/tests/ref/acodec/adpcm-ima_ssi index 63cc9ce277..9bc07105d9 100644 --- a/tests/ref/acodec/adpcm-ima_ssi +++ b/tests/ref/acodec/adpcm-ima_ssi @@ -1,4 +1,4 @@ 91c6a0d8eb3544e402af17a1b77a22e5 *tests/data/fate/acodec-adpcm-ima_ssi.kvag 264614 tests/data/fate/acodec-adpcm-ima_ssi.kvag -201607bf7610f062b9a1e6524354c569 *tests/data/fate/acodec-adpcm-ima_ssi.out.wav +bf17cd56a9e4054f573e512ba76beecf *tests/data/fate/acodec-adpcm-ima_ssi.out.wav stddev: 904.76 PSNR: 37.20 MAXDIFF:34029 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/adpcm-ima_wav b/tests/ref/acodec/adpcm-ima_wav index b2cc518b1e..3c04331238 100644 --- a/tests/ref/acodec/adpcm-ima_wav +++ b/tests/ref/acodec/adpcm-ima_wav @@ -1,4 +1,4 @@ -af0b82a719762cc6e1a952a6081231cf *tests/data/fate/acodec-adpcm-ima_wav.wav -267324 tests/data/fate/acodec-adpcm-ima_wav.wav -a57d7b0ca564b5fed4bf78fc9f91d8e2 *tests/data/fate/acodec-adpcm-ima_wav.out.wav +39d9c3b49fdae7e37b6e2ad08e41f445 *tests/data/fate/acodec-adpcm-ima_wav.wav +267360 tests/data/fate/acodec-adpcm-ima_wav.wav +59beba12e0ec894c78a7b46dde9896fe *tests/data/fate/acodec-adpcm-ima_wav.out.wav stddev: 903.56 PSNR: 37.21 MAXDIFF:34029 bytes: 1058400/ 1061748 diff --git a/tests/ref/acodec/adpcm-ima_wav-trellis b/tests/ref/acodec/adpcm-ima_wav-trellis index 008d1e4b62..959aaf2f3e 100644 --- a/tests/ref/acodec/adpcm-ima_wav-trellis +++ b/tests/ref/acodec/adpcm-ima_wav-trellis @@ -1,4 +1,4 @@ -6f0df0f3275f833c341d63b9054caebb *tests/data/fate/acodec-adpcm-ima_wav-trellis.wav -267324 tests/data/fate/acodec-adpcm-ima_wav-trellis.wav -1af83218cde84bd7cd2297c04ef97f79 *tests/data/fate/acodec-adpcm-ima_wav-trellis.out.wav +80e7d95c1a4788006304953634b368c9 *tests/data/fate/acodec-adpcm-ima_wav-trellis.wav +267360 tests/data/fate/acodec-adpcm-ima_wav-trellis.wav +4a3eada38f9b6aabd5b99d53926d02ce *tests/data/fate/acodec-adpcm-ima_wav-trellis.out.wav stddev: 710.09 PSNR: 39.30 MAXDIFF:25941 bytes: 1058400/ 1061748 diff --git a/tests/ref/acodec/adpcm-ima_ws b/tests/ref/acodec/adpcm-ima_ws index ad2b876f0d..7916ab9f5d 100644 --- a/tests/ref/acodec/adpcm-ima_ws +++ b/tests/ref/acodec/adpcm-ima_ws @@ -1,4 +1,4 @@ 64808f6c710d62f18a6a12e27dca1e2e *tests/data/fate/acodec-adpcm-ima_ws.wsaud 266684 tests/data/fate/acodec-adpcm-ima_ws.wsaud -5ca78409893d1917cc42a49c96f51df8 *tests/data/fate/acodec-adpcm-ima_ws.out.wav +433407022e9dbae44514095f984c4a6e *tests/data/fate/acodec-adpcm-ima_ws.out.wav stddev: 905.02 PSNR: 37.20 MAXDIFF:34026 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/adpcm-ms b/tests/ref/acodec/adpcm-ms index 9f546c9b77..7ccfb9583f 100644 --- a/tests/ref/acodec/adpcm-ms +++ b/tests/ref/acodec/adpcm-ms @@ -1,4 +1,4 @@ -ed29590dc005c64940c46cfe4a0e8eba *tests/data/fate/acodec-adpcm-ms.wav -268378 tests/data/fate/acodec-adpcm-ms.wav -7be370f937c51e8a967e6a3d08d5156a *tests/data/fate/acodec-adpcm-ms.out.wav +590a0e48833c9202bd232d043f6c492b *tests/data/fate/acodec-adpcm-ms.wav +268414 tests/data/fate/acodec-adpcm-ms.wav +bcf0549dc8eebee9a29591f55464c6bd *tests/data/fate/acodec-adpcm-ms.out.wav stddev: 1050.01 PSNR: 35.91 MAXDIFF:29806 bytes: 1058400/ 1060576 diff --git a/tests/ref/acodec/adpcm-ms-trellis b/tests/ref/acodec/adpcm-ms-trellis index e7ea230dba..c83dc5ac81 100644 --- a/tests/ref/acodec/adpcm-ms-trellis +++ b/tests/ref/acodec/adpcm-ms-trellis @@ -1,4 +1,4 @@ -70deb036ed0bf3dd03699eafbbfa51b7 *tests/data/fate/acodec-adpcm-ms-trellis.wav -268378 tests/data/fate/acodec-adpcm-ms-trellis.wav -ed9d9cdfd264f2ec6c79127c04dd224e *tests/data/fate/acodec-adpcm-ms-trellis.out.wav +0ff306362cda6c7de345a391acfb68eb *tests/data/fate/acodec-adpcm-ms-trellis.wav +268414 tests/data/fate/acodec-adpcm-ms-trellis.wav +121b756ca25b5bfe13ee32e648bb26be *tests/data/fate/acodec-adpcm-ms-trellis.out.wav stddev: 896.03 PSNR: 37.28 MAXDIFF:28029 bytes: 1058400/ 1060576 diff --git a/tests/ref/acodec/adpcm-swf b/tests/ref/acodec/adpcm-swf index 0bc9d6ffd0..9ab28f08ef 100644 --- a/tests/ref/acodec/adpcm-swf +++ b/tests/ref/acodec/adpcm-swf @@ -1,4 +1,4 @@ 03bda567604b31c86c8740a044eedb1d *tests/data/fate/acodec-adpcm-swf.flv 267801 tests/data/fate/acodec-adpcm-swf.flv -9d061488fdc1a557bdc454b9d1aba59c *tests/data/fate/acodec-adpcm-swf.out.wav +c0373567ebdc5907034d0a7967482b24 *tests/data/fate/acodec-adpcm-swf.out.wav stddev: 919.82 PSNR: 37.06 MAXDIFF:51119 bytes: 1058400/ 1064960 diff --git a/tests/ref/acodec/adpcm-swf-trellis b/tests/ref/acodec/adpcm-swf-trellis index a6f9b10ac0..b8c809419e 100644 --- a/tests/ref/acodec/adpcm-swf-trellis +++ b/tests/ref/acodec/adpcm-swf-trellis @@ -1,4 +1,4 @@ 83d6efddeb11bb0f0a4131a6384c7e4b *tests/data/fate/acodec-adpcm-swf-trellis.flv 267801 tests/data/fate/acodec-adpcm-swf-trellis.flv -6a0007e42d92a225a8becddedccf9a0f *tests/data/fate/acodec-adpcm-swf-trellis.out.wav +dfa3cae55be2a740a7203409e5a327e7 *tests/data/fate/acodec-adpcm-swf-trellis.out.wav stddev: 731.05 PSNR: 39.05 MAXDIFF:51119 bytes: 1058400/ 1064960 diff --git a/tests/ref/acodec/adpcm-swf-wav b/tests/ref/acodec/adpcm-swf-wav index a6c51c565e..3b02621067 100644 --- a/tests/ref/acodec/adpcm-swf-wav +++ b/tests/ref/acodec/adpcm-swf-wav @@ -1,4 +1,4 @@ -e8a4ac69e50211f3ef828d26b7051397 *tests/data/fate/acodec-adpcm-swf-wav.wav -266624 tests/data/fate/acodec-adpcm-swf-wav.wav -9d061488fdc1a557bdc454b9d1aba59c *tests/data/fate/acodec-adpcm-swf-wav.out.wav +2eec671f5f766a3646f9fe87c4a5838f *tests/data/fate/acodec-adpcm-swf-wav.wav +266660 tests/data/fate/acodec-adpcm-swf-wav.wav +c0373567ebdc5907034d0a7967482b24 *tests/data/fate/acodec-adpcm-swf-wav.out.wav stddev: 919.82 PSNR: 37.06 MAXDIFF:51119 bytes: 1058400/ 1064960 diff --git a/tests/ref/acodec/adpcm-yamaha b/tests/ref/acodec/adpcm-yamaha index 8b94979245..6017ef531a 100644 --- a/tests/ref/acodec/adpcm-yamaha +++ b/tests/ref/acodec/adpcm-yamaha @@ -1,4 +1,4 @@ -4719ae6d28c4b13c270caefb34fde140 *tests/data/fate/acodec-adpcm-yamaha.wav -265274 tests/data/fate/acodec-adpcm-yamaha.wav -758b4aee62964831d0a335ada9672104 *tests/data/fate/acodec-adpcm-yamaha.out.wav +ebcc01ca3fcdb47788d63d874e15a393 *tests/data/fate/acodec-adpcm-yamaha.wav +265310 tests/data/fate/acodec-adpcm-yamaha.wav +d24a84ab759df3cc6290caf9c5a8fcbd *tests/data/fate/acodec-adpcm-yamaha.out.wav stddev: 1242.71 PSNR: 34.44 MAXDIFF:39960 bytes: 1058400/ 1060864 diff --git a/tests/ref/acodec/adpcm-yamaha-trellis b/tests/ref/acodec/adpcm-yamaha-trellis index f653f21492..b5a6c6d370 100644 --- a/tests/ref/acodec/adpcm-yamaha-trellis +++ b/tests/ref/acodec/adpcm-yamaha-trellis @@ -1,4 +1,4 @@ -6601c0c29d2ac6ed2eee94b13bc3f289 *tests/data/fate/acodec-adpcm-yamaha-trellis.wav -265274 tests/data/fate/acodec-adpcm-yamaha-trellis.wav -8ad27b0ea7e13e70ed334b5ec26c62ef *tests/data/fate/acodec-adpcm-yamaha-trellis.out.wav +a57a37cd6be88020d84a82c466bb9a52 *tests/data/fate/acodec-adpcm-yamaha-trellis.wav +265310 tests/data/fate/acodec-adpcm-yamaha-trellis.wav +d65c971e040825a5140d67afae9d7308 *tests/data/fate/acodec-adpcm-yamaha-trellis.out.wav stddev: 926.56 PSNR: 36.99 MAXDIFF:33570 bytes: 1058400/ 1060864 diff --git a/tests/ref/acodec/alac b/tests/ref/acodec/alac index da2a84a880..dc81bbe699 100644 --- a/tests/ref/acodec/alac +++ b/tests/ref/acodec/alac @@ -1,4 +1,4 @@ 61b22c509780e86dfb2fd1be816d8c68 *tests/data/fate/acodec-alac.mov 389018 tests/data/fate/acodec-alac.mov -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-alac.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-alac.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/flac b/tests/ref/acodec/flac index c2e7f2099b..b818dcc2b5 100644 --- a/tests/ref/acodec/flac +++ b/tests/ref/acodec/flac @@ -1,4 +1,4 @@ 151eef9097f944726968bec48649f00a *tests/data/fate/acodec-flac.flac 361582 tests/data/fate/acodec-flac.flac -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-flac.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-flac.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/flac-exact-rice b/tests/ref/acodec/flac-exact-rice index 6f6d27427d..1a3011c5bc 100644 --- a/tests/ref/acodec/flac-exact-rice +++ b/tests/ref/acodec/flac-exact-rice @@ -1,4 +1,4 @@ aab144de213ae684ca008a3e0afe5e28 *tests/data/fate/acodec-flac-exact-rice.flac 360454 tests/data/fate/acodec-flac-exact-rice.flac -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-flac-exact-rice.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-flac-exact-rice.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/g723_1 b/tests/ref/acodec/g723_1 index e33fe3d207..06e734b972 100644 --- a/tests/ref/acodec/g723_1 +++ b/tests/ref/acodec/g723_1 @@ -1,4 +1,4 @@ dec0deb2425e908d232d2471acff04a3 *tests/data/fate/acodec-g723_1.g723_1 4800 tests/data/fate/acodec-g723_1.g723_1 -c3b9055d1830969c10d08762fae0b787 *tests/data/fate/acodec-g723_1.out.wav +9f28ae24ae06d9e6bd895ebb78c510e3 *tests/data/fate/acodec-g723_1.out.wav stddev: 8423.47 PSNR: 17.82 MAXDIFF:53292 bytes: 95992/ 96000 diff --git a/tests/ref/acodec/mp2 b/tests/ref/acodec/mp2 index 57b83ac747..ffa18f50e2 100644 --- a/tests/ref/acodec/mp2 +++ b/tests/ref/acodec/mp2 @@ -1,4 +1,4 @@ f6eb0a205350bbd7fb1028a01c7ae8aa *tests/data/fate/acodec-mp2.mp2 96130 tests/data/fate/acodec-mp2.mp2 -74c7b6b15a001add199619fafe4059a1 *tests/data/fate/acodec-mp2.out.wav +947dd52db88fa9b49994af37a884578e *tests/data/fate/acodec-mp2.out.wav stddev: 4384.33 PSNR: 23.49 MAXDIFF:52631 bytes: 1058400/ 1057916 diff --git a/tests/ref/acodec/mp2fixed b/tests/ref/acodec/mp2fixed index bf8cc7f372..42b9000c37 100644 --- a/tests/ref/acodec/mp2fixed +++ b/tests/ref/acodec/mp2fixed @@ -1,4 +1,4 @@ 05445de0f0305df85db4ed0ce94e5f4c *tests/data/fate/acodec-mp2fixed.mp2 288391 tests/data/fate/acodec-mp2fixed.mp2 -b1b4a13e42db11e9fb1bd2c93692d548 *tests/data/fate/acodec-mp2fixed.out.wav +965e8d38f8a64fc51c9020ef10578698 *tests/data/fate/acodec-mp2fixed.out.wav stddev: 3653.84 PSNR: 25.07 MAXDIFF:39970 bytes: 1058400/ 1057916 diff --git a/tests/ref/acodec/pcm-alaw b/tests/ref/acodec/pcm-alaw index 00555e3341..f574bb202b 100644 --- a/tests/ref/acodec/pcm-alaw +++ b/tests/ref/acodec/pcm-alaw @@ -1,4 +1,4 @@ -a2dd6a934ec6d5ec901a211652e85227 *tests/data/fate/acodec-pcm-alaw.wav -529258 tests/data/fate/acodec-pcm-alaw.wav -0568b0b9a72e31559e150e7e09d301cd *tests/data/fate/acodec-pcm-alaw.out.wav +2c572139484868ca9f0f33cd02a347fa *tests/data/fate/acodec-pcm-alaw.wav +529294 tests/data/fate/acodec-pcm-alaw.wav +c3f5fe757d8d2ea9f4bbcf925c912bcc *tests/data/fate/acodec-pcm-alaw.out.wav stddev: 101.67 PSNR: 56.19 MAXDIFF: 515 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-f32be b/tests/ref/acodec/pcm-f32be index b98c0b7a23..5cf541a4c7 100644 --- a/tests/ref/acodec/pcm-f32be +++ b/tests/ref/acodec/pcm-f32be @@ -1,4 +1,4 @@ e74eb6b65cb397ce541bac120b00680a *tests/data/fate/acodec-pcm-f32be.au 2116832 tests/data/fate/acodec-pcm-f32be.au -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-f32be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-f32be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-f32le b/tests/ref/acodec/pcm-f32le index c63a2c4b70..5194b47b6f 100644 --- a/tests/ref/acodec/pcm-f32le +++ b/tests/ref/acodec/pcm-f32le @@ -1,4 +1,4 @@ -03ae40a19deacaca6e0c4ec08dd35956 *tests/data/fate/acodec-pcm-f32le.wav -2116858 tests/data/fate/acodec-pcm-f32le.wav -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-f32le.out.wav +650309a7c874cb2e67f7d51218921624 *tests/data/fate/acodec-pcm-f32le.wav +2116894 tests/data/fate/acodec-pcm-f32le.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-f32le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-f64be b/tests/ref/acodec/pcm-f64be index e0e03079d0..230646e13a 100644 --- a/tests/ref/acodec/pcm-f64be +++ b/tests/ref/acodec/pcm-f64be @@ -1,4 +1,4 @@ 8c8ba9d2c68384c5f077306e220f1188 *tests/data/fate/acodec-pcm-f64be.au 4233632 tests/data/fate/acodec-pcm-f64be.au -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-f64be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-f64be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-f64le b/tests/ref/acodec/pcm-f64le index 894d593ac1..cdf2f15b6b 100644 --- a/tests/ref/acodec/pcm-f64le +++ b/tests/ref/acodec/pcm-f64le @@ -1,4 +1,4 @@ -69ffdb079600c53a00c5b0119b586a98 *tests/data/fate/acodec-pcm-f64le.wav -4233658 tests/data/fate/acodec-pcm-f64le.wav -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-f64le.out.wav +d7aaf5f912e65841e0a250be82fcc4bb *tests/data/fate/acodec-pcm-f64le.wav +4233694 tests/data/fate/acodec-pcm-f64le.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-f64le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-mulaw b/tests/ref/acodec/pcm-mulaw index f5c117de18..943752b471 100644 --- a/tests/ref/acodec/pcm-mulaw +++ b/tests/ref/acodec/pcm-mulaw @@ -1,4 +1,4 @@ -fd10ee54bd298fc29fd6fc70baa71414 *tests/data/fate/acodec-pcm-mulaw.wav -529258 tests/data/fate/acodec-pcm-mulaw.wav -1c3eeaa8814ebd4916780dff80ed6dc5 *tests/data/fate/acodec-pcm-mulaw.out.wav +29b9a81ed6b36bf357379e368ee59f98 *tests/data/fate/acodec-pcm-mulaw.wav +529294 tests/data/fate/acodec-pcm-mulaw.wav +d38d97bd8646120812a121468114023b *tests/data/fate/acodec-pcm-mulaw.out.wav stddev: 103.38 PSNR: 56.04 MAXDIFF: 644 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s16be b/tests/ref/acodec/pcm-s16be index 2c9dc4eb42..e95e3644c8 100644 --- a/tests/ref/acodec/pcm-s16be +++ b/tests/ref/acodec/pcm-s16be @@ -1,4 +1,4 @@ 203b3a036a6403f1393e14f0916b12d7 *tests/data/fate/acodec-pcm-s16be.mov 1059069 tests/data/fate/acodec-pcm-s16be.mov -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s16be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s16be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s16be_planar b/tests/ref/acodec/pcm-s16be_planar index 89b96f4ec8..eaa9cab5c7 100644 --- a/tests/ref/acodec/pcm-s16be_planar +++ b/tests/ref/acodec/pcm-s16be_planar @@ -1,4 +1,4 @@ 70d169feea255cb1675342dead3457d5 *tests/data/fate/acodec-pcm-s16be_planar.nut 1060414 tests/data/fate/acodec-pcm-s16be_planar.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s16be_planar.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s16be_planar.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s16le b/tests/ref/acodec/pcm-s16le index 5fa80bd7a2..c75c5d17c9 100644 --- a/tests/ref/acodec/pcm-s16le +++ b/tests/ref/acodec/pcm-s16le @@ -1,4 +1,4 @@ -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s16le.wav -1058444 tests/data/fate/acodec-pcm-s16le.wav -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s16le.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s16le.wav +1058480 tests/data/fate/acodec-pcm-s16le.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s16le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s16le_planar b/tests/ref/acodec/pcm-s16le_planar index 1a0f4ae9ee..1b99a5e429 100644 --- a/tests/ref/acodec/pcm-s16le_planar +++ b/tests/ref/acodec/pcm-s16le_planar @@ -1,4 +1,4 @@ 2c3156c45b72cbb37ffd17a2d05bd244 *tests/data/fate/acodec-pcm-s16le_planar.nut 1060414 tests/data/fate/acodec-pcm-s16le_planar.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s16le_planar.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s16le_planar.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s24be b/tests/ref/acodec/pcm-s24be index 165fca64e7..f8de3177eb 100644 --- a/tests/ref/acodec/pcm-s24be +++ b/tests/ref/acodec/pcm-s24be @@ -1,4 +1,4 @@ 90ed890d45e9ea8edb37d2e2e09227df *tests/data/fate/acodec-pcm-s24be.mov 1588323 tests/data/fate/acodec-pcm-s24be.mov -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s24be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s24be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s24le b/tests/ref/acodec/pcm-s24le index cf5ae1a2ac..c144c663c0 100644 --- a/tests/ref/acodec/pcm-s24le +++ b/tests/ref/acodec/pcm-s24le @@ -1,4 +1,4 @@ -18ea73985dbdf59e23f5aba66145e6fe *tests/data/fate/acodec-pcm-s24le.wav -1587668 tests/data/fate/acodec-pcm-s24le.wav -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s24le.out.wav +eaba228b69cc1e78a3215be66e4d1705 *tests/data/fate/acodec-pcm-s24le.wav +1587704 tests/data/fate/acodec-pcm-s24le.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s24le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s24le_planar b/tests/ref/acodec/pcm-s24le_planar index 2ba195af0c..1efbf0a7fe 100644 --- a/tests/ref/acodec/pcm-s24le_planar +++ b/tests/ref/acodec/pcm-s24le_planar @@ -1,4 +1,4 @@ a490736ae2b5c358fbd6d81f63efc143 *tests/data/fate/acodec-pcm-s24le_planar.nut 1589636 tests/data/fate/acodec-pcm-s24le_planar.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s24le_planar.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s24le_planar.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s32be b/tests/ref/acodec/pcm-s32be index 0c4e64fd34..071cb1fd81 100644 --- a/tests/ref/acodec/pcm-s32be +++ b/tests/ref/acodec/pcm-s32be @@ -1,4 +1,4 @@ d18a498075997bf7221bb28ff566f0fa *tests/data/fate/acodec-pcm-s32be.mov 2117527 tests/data/fate/acodec-pcm-s32be.mov -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s32be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s32be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s32le b/tests/ref/acodec/pcm-s32le index 47c736b9c1..5ab8f9ce22 100644 --- a/tests/ref/acodec/pcm-s32le +++ b/tests/ref/acodec/pcm-s32le @@ -1,4 +1,4 @@ -8d8849fa5c5d91b9cb74f5c74e937faf *tests/data/fate/acodec-pcm-s32le.wav -2116868 tests/data/fate/acodec-pcm-s32le.wav -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s32le.out.wav +0aee36449f86f3690243fb25f01c1715 *tests/data/fate/acodec-pcm-s32le.wav +2116904 tests/data/fate/acodec-pcm-s32le.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s32le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s32le_planar b/tests/ref/acodec/pcm-s32le_planar index 45ab786814..f181a1dd0d 100644 --- a/tests/ref/acodec/pcm-s32le_planar +++ b/tests/ref/acodec/pcm-s32le_planar @@ -1,4 +1,4 @@ 0fe5f93bda9400e0f1f4234eca9364eb *tests/data/fate/acodec-pcm-s32le_planar.nut 2118837 tests/data/fate/acodec-pcm-s32le_planar.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-s32le_planar.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-s32le_planar.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s8 b/tests/ref/acodec/pcm-s8 index 9e9f4172b7..4b65eecdbb 100644 --- a/tests/ref/acodec/pcm-s8 +++ b/tests/ref/acodec/pcm-s8 @@ -1,4 +1,4 @@ 65f02f9b48be05cf7b4d104c8a9d3566 *tests/data/fate/acodec-pcm-s8.mov 529853 tests/data/fate/acodec-pcm-s8.mov -652edf30f35ad89bf27bcc9d2f9c7b53 *tests/data/fate/acodec-pcm-s8.out.wav +5ec32de35bd47bd92506fc5cc507077f *tests/data/fate/acodec-pcm-s8.out.wav stddev: 147.89 PSNR: 52.93 MAXDIFF: 255 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-s8_planar b/tests/ref/acodec/pcm-s8_planar index 7710543393..0499053cc4 100644 --- a/tests/ref/acodec/pcm-s8_planar +++ b/tests/ref/acodec/pcm-s8_planar @@ -1,4 +1,4 @@ f58ac9f9bca0f4b1382761b2af584a8a *tests/data/fate/acodec-pcm-s8_planar.nut 530223 tests/data/fate/acodec-pcm-s8_planar.nut -652edf30f35ad89bf27bcc9d2f9c7b53 *tests/data/fate/acodec-pcm-s8_planar.out.wav +5ec32de35bd47bd92506fc5cc507077f *tests/data/fate/acodec-pcm-s8_planar.out.wav stddev: 147.89 PSNR: 52.93 MAXDIFF: 255 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u16be b/tests/ref/acodec/pcm-u16be index 2842961bff..75cf748c2b 100644 --- a/tests/ref/acodec/pcm-u16be +++ b/tests/ref/acodec/pcm-u16be @@ -1,4 +1,4 @@ 7d3553681858a275611288f4c3101ffe *tests/data/fate/acodec-pcm-u16be.nut 1060407 tests/data/fate/acodec-pcm-u16be.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u16be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u16be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u16le b/tests/ref/acodec/pcm-u16le index 2bccd15b77..07af17c8de 100644 --- a/tests/ref/acodec/pcm-u16le +++ b/tests/ref/acodec/pcm-u16le @@ -1,4 +1,4 @@ fdaa2a0c3b8830e80187ccd4d62e0c26 *tests/data/fate/acodec-pcm-u16le.nut 1060407 tests/data/fate/acodec-pcm-u16le.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u16le.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u16le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u24be b/tests/ref/acodec/pcm-u24be index 912bb9ed0b..1916dd88aa 100644 --- a/tests/ref/acodec/pcm-u24be +++ b/tests/ref/acodec/pcm-u24be @@ -1,4 +1,4 @@ 67f6e0040f65830ad408903a9565417c *tests/data/fate/acodec-pcm-u24be.nut 1589629 tests/data/fate/acodec-pcm-u24be.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u24be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u24be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u24le b/tests/ref/acodec/pcm-u24le index c98e9d495d..b96758de81 100644 --- a/tests/ref/acodec/pcm-u24le +++ b/tests/ref/acodec/pcm-u24le @@ -1,4 +1,4 @@ ad263ac0fc0bc92f1bc20739c54b4904 *tests/data/fate/acodec-pcm-u24le.nut 1589629 tests/data/fate/acodec-pcm-u24le.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u24le.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u24le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u32be b/tests/ref/acodec/pcm-u32be index e7352254ee..5c49030b5a 100644 --- a/tests/ref/acodec/pcm-u32be +++ b/tests/ref/acodec/pcm-u32be @@ -1,4 +1,4 @@ 114b4a686b05672f77594dfdae57694b *tests/data/fate/acodec-pcm-u32be.nut 2118830 tests/data/fate/acodec-pcm-u32be.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u32be.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u32be.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u32le b/tests/ref/acodec/pcm-u32le index c1586b24eb..ebb3603539 100644 --- a/tests/ref/acodec/pcm-u32le +++ b/tests/ref/acodec/pcm-u32le @@ -1,4 +1,4 @@ fb33ec03170dcdb86ef17f6b0d77a3e3 *tests/data/fate/acodec-pcm-u32le.nut 2118830 tests/data/fate/acodec-pcm-u32le.nut -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-pcm-u32le.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-pcm-u32le.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/pcm-u8 b/tests/ref/acodec/pcm-u8 index c9bf04acd5..10f56201e4 100644 --- a/tests/ref/acodec/pcm-u8 +++ b/tests/ref/acodec/pcm-u8 @@ -1,4 +1,4 @@ -98cadb3502dbdc99e6e077c28b1a036c *tests/data/fate/acodec-pcm-u8.wav -529244 tests/data/fate/acodec-pcm-u8.wav -652edf30f35ad89bf27bcc9d2f9c7b53 *tests/data/fate/acodec-pcm-u8.out.wav +92ed6f923664d45cc74b5bcc1f8269f9 *tests/data/fate/acodec-pcm-u8.wav +529280 tests/data/fate/acodec-pcm-u8.wav +5ec32de35bd47bd92506fc5cc507077f *tests/data/fate/acodec-pcm-u8.out.wav stddev: 147.89 PSNR: 52.93 MAXDIFF: 255 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/roqaudio b/tests/ref/acodec/roqaudio index f513a03975..4abd9cb318 100644 --- a/tests/ref/acodec/roqaudio +++ b/tests/ref/acodec/roqaudio @@ -1,4 +1,4 @@ 75859976d7098588aeaebbc5551484a9 *tests/data/fate/acodec-roqaudio.roq 265992 tests/data/fate/acodec-roqaudio.roq -2057ed235e9d4e727e13bf57f3891093 *tests/data/fate/acodec-roqaudio.out.wav +c51f641270f55fc9f92326955461d7ac *tests/data/fate/acodec-roqaudio.out.wav stddev: 4481.70 PSNR: 23.30 MAXDIFF:46250 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/s302m b/tests/ref/acodec/s302m index bc4986cabd..f2b9884e60 100644 --- a/tests/ref/acodec/s302m +++ b/tests/ref/acodec/s302m @@ -1,4 +1,4 @@ 08a3bec0e1626ad8c8a13b181ee1afb5 *tests/data/fate/acodec-s302m.mpegts 1496104 tests/data/fate/acodec-s302m.mpegts -abc1b26737c8103c3f122539d239f6be *tests/data/fate/acodec-s302m.out.wav +1f69769019b318d1c1d393bb369a2907 *tests/data/fate/acodec-s302m.out.wav stddev: 986.15 PSNR: 36.45 MAXDIFF:18571 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/tta b/tests/ref/acodec/tta index 8e183f9922..b7fde488c3 100644 --- a/tests/ref/acodec/tta +++ b/tests/ref/acodec/tta @@ -1,4 +1,4 @@ 847d065f082ac94825728b5f1af853eb *tests/data/fate/acodec-tta.tta 330583 tests/data/fate/acodec-tta.tta -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-tta.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-tta.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/acodec/wavpack b/tests/ref/acodec/wavpack index 02f09ae5ed..32d66c71e6 100644 --- a/tests/ref/acodec/wavpack +++ b/tests/ref/acodec/wavpack @@ -1,4 +1,4 @@ 000420796cc3e526650ce6f4c6334471 *tests/data/fate/acodec-wavpack.wv 338166 tests/data/fate/acodec-wavpack.wv -95e54b261530a1bcf6de6fe3b21dc5f6 *tests/data/fate/acodec-wavpack.out.wav +1e55fbd7f6f2f6b916bf49dbda00ebdf *tests/data/fate/acodec-wavpack.out.wav stddev: 0.00 PSNR:999.99 MAXDIFF: 0 bytes: 1058400/ 1058400 diff --git a/tests/ref/fate/gapless-mp3 b/tests/ref/fate/gapless-mp3 index 98f6936c66..700908a34a 100644 --- a/tests/ref/fate/gapless-mp3 +++ b/tests/ref/fate/gapless-mp3 @@ -1,5 +1,5 @@ 893b264ed688f8433d4f39f5f97aba2d *tests/data/fate/gapless-mp3.out-1 -c96c3ae7bd3300fd2f4debac222de5b7 +8170c6858a166253e6d0647789848bd6 6a87144f2777524625af4cf276b058d9 *tests/data/fate/gapless-mp3.out-2 -c96c3ae7bd3300fd2f4debac222de5b7 +8170c6858a166253e6d0647789848bd6 dc29c4091e880bbb352c668b84824ca7 *tests/data/fate/gapless-mp3.out-3 diff --git a/tests/ref/lavf/peak.wav b/tests/ref/lavf/peak.wav index 573d53221f..51c24a8a23 100644 --- a/tests/ref/lavf/peak.wav +++ b/tests/ref/lavf/peak.wav @@ -1,3 +1,3 @@ -105805963fb767d00da056f42f32d9f3 *tests/data/lavf/lavf.peak.wav -89094 tests/data/lavf/lavf.peak.wav +fdab4bbac72e8f562878fb584ac469f8 *tests/data/lavf/lavf.peak.wav +89130 tests/data/lavf/lavf.peak.wav tests/data/lavf/lavf.peak.wav CRC=0x3a1da17e diff --git a/tests/ref/lavf/peak_only.wav b/tests/ref/lavf/peak_only.wav index 9548e639f8..78a0bb472c 100644 --- a/tests/ref/lavf/peak_only.wav +++ b/tests/ref/lavf/peak_only.wav @@ -1,2 +1,2 @@ -f1a8aeeae8069f3992c4d780436c3d23 *tests/data/lavf/lavf.peak_only.wav -832 tests/data/lavf/lavf.peak_only.wav +63bfe87d41fbaf3a0ec6f9efc0525dd7 *tests/data/lavf/lavf.peak_only.wav +868 tests/data/lavf/lavf.peak_only.wav diff --git a/tests/ref/lavf/wav b/tests/ref/lavf/wav index 0540eab07c..35e5142542 100644 --- a/tests/ref/lavf/wav +++ b/tests/ref/lavf/wav @@ -1,3 +1,3 @@ -fc958a32b4fca7b1c40cbdaef2d1416e *tests/data/lavf/lavf.wav -88274 tests/data/lavf/lavf.wav +ffe686b3a063dc23c4df34b555fbedda *tests/data/lavf/lavf.wav +88310 tests/data/lavf/lavf.wav tests/data/lavf/lavf.wav CRC=0x3a1da17e diff --git a/tests/ref/seek/acodec-adpcm-ima_wav b/tests/ref/seek/acodec-adpcm-ima_wav index b6517c5438..7397c9e205 100644 --- a/tests/ref/seek/acodec-adpcm-ima_wav +++ b/tests/ref/seek/acodec-adpcm-ima_wav @@ -1,53 +1,53 @@ -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 96 size: 4096 ret: 0 st:-1 flags:0 ts:-1.000000 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 96 size: 4096 ret: 0 st:-1 flags:1 ts: 1.894167 -ret: 0 st: 0 flags:1 dts: 1.856009 pts: 1.856009 pos: 29756 size: 4096 +ret: 0 st: 0 flags:1 dts: 1.856009 pts: 1.856009 pos: 29792 size: 4096 ret: 0 st: 0 flags:0 ts: 0.788345 -ret: 0 st: 0 flags:1 dts: 0.831995 pts: 0.831995 pos: 13372 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.831995 pts: 0.831995 pos: 13408 size: 4096 ret: 0 st: 0 flags:1 ts:-0.317506 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 96 size: 4096 ret: 0 st:-1 flags:0 ts: 2.576668 -ret: 0 st: 0 flags:1 dts: 2.623991 pts: 2.623991 pos: 42044 size: 4096 +ret: 0 st: 0 flags:1 dts: 2.623991 pts: 2.623991 pos: 42080 size: 4096 ret: 0 st:-1 flags:1 ts: 1.470835 -ret: 0 st: 0 flags:1 dts: 1.408005 pts: 1.408005 pos: 22588 size: 4096 +ret: 0 st: 0 flags:1 dts: 1.408005 pts: 1.408005 pos: 22624 size: 4096 ret: 0 st: 0 flags:0 ts: 0.365011 -ret: 0 st: 0 flags:1 dts: 0.383991 pts: 0.383991 pos: 6204 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.383991 pts: 0.383991 pos: 6240 size: 4096 ret: 0 st: 0 flags:1 ts:-0.740839 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 96 size: 4096 ret: 0 st:-1 flags:0 ts: 2.153336 -ret: 0 st: 0 flags:1 dts: 2.176009 pts: 2.176009 pos: 34876 size: 4096 +ret: 0 st: 0 flags:1 dts: 2.176009 pts: 2.176009 pos: 34912 size: 4096 ret: 0 st:-1 flags:1 ts: 1.047503 -ret: 0 st: 0 flags:1 dts: 1.023991 pts: 1.023991 pos: 16444 size: 4096 +ret: 0 st: 0 flags:1 dts: 1.023991 pts: 1.023991 pos: 16480 size: 4096 ret: 0 st: 0 flags:0 ts:-0.058322 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 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flags:0 ts: 2.671678 -ret: 0 st: 0 flags:1 dts: 2.688005 pts: 2.688005 pos: 43068 size: 4096 +ret: 0 st: 0 flags:1 dts: 2.688005 pts: 2.688005 pos: 43104 size: 4096 ret: 0 st: 0 flags:1 ts: 1.565850 -ret: 0 st: 0 flags:1 dts: 1.536009 pts: 1.536009 pos: 24636 size: 4096 +ret: 0 st: 0 flags:1 dts: 1.536009 pts: 1.536009 pos: 24672 size: 4096 ret: 0 st:-1 flags:0 ts: 0.460008 -ret: 0 st: 0 flags:1 dts: 0.511995 pts: 0.511995 pos: 8252 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.511995 pts: 0.511995 pos: 8288 size: 4096 ret: 0 st:-1 flags:1 ts:-0.645825 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 60 size: 4096 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 96 size: 4096 diff --git a/tests/ref/seek/acodec-adpcm-ima_wav-trellis b/tests/ref/seek/acodec-adpcm-ima_wav-trellis index b6517c5438..7397c9e205 100644 --- a/tests/ref/seek/acodec-adpcm-ima_wav-trellis +++ b/tests/ref/seek/acodec-adpcm-ima_wav-trellis @@ -1,53 +1,53 @@ -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 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dts: 0.000000 pts: 0.000000 pos: 110 size: 8192 ret: 0 st: 0 flags:1 ts: 2.835828 ret:-EOF ret: 0 st:-1 flags:0 ts: 1.730004 ret:-EOF ret: 0 st:-1 flags:1 ts: 0.624171 -ret: 0 st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 55126 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.624172 pts: 0.624172 pos: 55162 size: 8192 ret: 0 st: 0 flags:0 ts:-0.481655 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 74 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 110 size: 8192 ret: 0 st: 0 flags:1 ts: 2.412494 ret:-EOF ret: 0 st:-1 flags:0 ts: 1.306672 ret:-EOF ret: 0 st:-1 flags:1 ts: 0.200839 -ret: 0 st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos: 17788 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.200839 pts: 0.200839 pos: 17824 size: 8192 ret: 0 st: 0 flags:0 ts:-0.904989 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 74 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 110 size: 8192 ret: 0 st: 0 flags:1 ts: 1.989184 ret:-EOF ret: 0 st:-1 flags:0 ts: 0.883340 -ret: 0 st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 77984 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.883333 pts: 0.883333 pos: 78020 size: 8192 ret: 0 st:-1 flags:1 ts:-0.222493 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 74 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 110 size: 8192 ret: 0 st: 0 flags:0 ts: 2.671678 ret:-EOF ret: 0 st: 0 flags:1 ts: 1.565850 ret:-EOF ret: 0 st:-1 flags:0 ts: 0.460008 -ret: 0 st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 40646 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.460000 pts: 0.460000 pos: 40682 size: 8192 ret: 0 st:-1 flags:1 ts:-0.645825 -ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 74 size: 8192 +ret: 0 st: 0 flags:1 dts: 0.000000 pts: 0.000000 pos: 110 size: 8192 -- 2.52.0

3 2

[PATCH] av1_in_ts_v2 (PR #21307)
by Jun Zhao 13 Jan '26

13 Jan '26

PR #21307 opened by Jun Zhao (mypopydev) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21307 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21307.patch This patch series V2 adds support for carrying AV1 video streams in MPEG-2 Transport Stream containers, following the AOM "Carriage of AV1 in MPEG-2 TS" specification. Key Features - MPEG-TS Muxer: Converts AV1 from Section 5 (low overhead) format to start code format, where each OBU is prefixed with a 0x000001 start code. Includes Registration Descriptor ('AV01') and AV1 Video Descriptor (0x80) in PMT. - MPEG-TS Demuxer: Identifies AV1 streams by stream_type 0x06 (private data) and Registration Descriptor. Outputs AV1 data in start code format. - av1_tstosection5 BSF: Converts AV1 from MPEG-TS start code format back to Section 5 format for compatibility with other containers and decoders. Automatically inserted when remuxing to MP4, MKV, FLV, IVF, and raw OBU files. - Decoder Support: Both libdav1d and libaom decoders can directly decode AV1 in start code format. From 30f8ecd7c946e1a422318c547b4c663e8e27c53f Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:11:18 +0800 Subject: [PATCH 01/16] lavc/av1_parse: add start code format parsing support Add functions to parse AV1 OBUs in MPEG-TS start code format (0x000001 prefix). This is needed for AV1 streams from MPEG-TS containers per AOM AV1 in MPEG-2 TS specification. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavcodec/av1_parse.c | 133 +++++++++++++++++++++++++++++++++++++++++ libavcodec/av1_parse.h | 36 +++++++++++ 2 files changed, 169 insertions(+) diff --git a/libavcodec/av1_parse.c b/libavcodec/av1_parse.c index 061636815f..146c8aff79 100644 --- a/libavcodec/av1_parse.c +++ b/libavcodec/av1_parse.c @@ -20,6 +20,7 @@ #include "config.h" +#include "libavutil/intreadwrite.h" #include "libavutil/mem.h" #include "av1.h" @@ -120,3 +121,135 @@ AVRational ff_av1_framerate(int64_t ticks_per_frame, int64_t units_per_tick, return (AVRational){ 0, 1 }; } + +int ff_av1_is_startcode_format(const uint8_t *buf, int length) +{ + if (length < 4) + return 0; + + /* Check for 3-byte start code (MPEG-TS AV1 spec) */ + if (AV_RB24(buf) == 0x000001) + return 1; + + return 0; +} + +/** + * Find the next 3-byte start code (0x000001) in buffer. + * Note: MPEG-TS AV1 uses only 3-byte start codes per the specification. + */ +static const uint8_t *find_next_startcode(const uint8_t *p, const uint8_t *end) +{ + while (p + 3 <= end) { + if (AV_RB24(p) == 0x000001) + return p; + p++; + } + return end; +} + +int ff_av1_extract_obu_startcode(AV1OBU *obu, const uint8_t *buf, int length, + void *logctx) +{ + int start_code_size = 3; /* MPEG-TS AV1 uses only 3-byte start codes */ + int64_t obu_size; + int start_pos, type, temporal_id, spatial_id; + int ret; + + if (length < 4) + return AVERROR_INVALIDDATA; + + /* Verify 3-byte start code */ + if (AV_RB24(buf) != 0x000001) { + av_log(logctx, AV_LOG_ERROR, "Invalid AV1 start code\n"); + return AVERROR_INVALIDDATA; + } + + if (length - start_code_size < 1) + return AVERROR_INVALIDDATA; + + /* Parse OBU header after start code */ + ret = parse_obu_header(buf + start_code_size, + length - start_code_size, + &obu_size, &start_pos, &type, + &temporal_id, &spatial_id); + if (ret < 0) { + av_log(logctx, AV_LOG_ERROR, "Failed to parse OBU header\n"); + return ret; + } + + obu->type = type; + obu->temporal_id = temporal_id; + obu->spatial_id = spatial_id; + obu->raw_data = buf + start_code_size; + obu->raw_size = ret; + obu->data = buf + start_code_size + start_pos; + obu->size = obu_size; + obu->size_bits = get_obu_bit_length(obu->data, obu->size, type); + + av_log(logctx, AV_LOG_DEBUG, + "startcode obu_type: %d, temporal_id: %d, spatial_id: %d, payload size: %d\n", + obu->type, obu->temporal_id, obu->spatial_id, obu->size); + + return start_code_size + ret; +} + +int ff_av1_packet_split_startcode(AV1Packet *pkt, const uint8_t *buf, + int length, void *logctx) +{ + const uint8_t *p = buf; + const uint8_t *end = buf + length; + int ret; + + pkt->nb_obus = 0; + + /* Find first start code */ + p = find_next_startcode(p, end); + + while (p < end) { + AV1OBU *obu; + int consumed; + + /* Ensure OBU array has space */ + if (pkt->obus_allocated < pkt->nb_obus + 1) { + int new_size = pkt->obus_allocated + 1; + AV1OBU *tmp; + + if (new_size >= INT_MAX / sizeof(*tmp)) + return AVERROR(ENOMEM); + tmp = av_fast_realloc(pkt->obus, &pkt->obus_allocated_size, + new_size * sizeof(*tmp)); + if (!tmp) + return AVERROR(ENOMEM); + + pkt->obus = tmp; + memset(pkt->obus + pkt->obus_allocated, 0, sizeof(*pkt->obus)); + pkt->obus_allocated = new_size; + } + + obu = &pkt->obus[pkt->nb_obus]; + + /* Extract OBU using its size field, not by finding next start code */ + ret = ff_av1_extract_obu_startcode(obu, p, end - p, logctx); + if (ret < 0) { + av_log(logctx, AV_LOG_WARNING, + "Failed to extract OBU at offset %td, skipping to next start code\n", + p - buf); + /* On error, try to find next start code and continue */ + p = find_next_startcode(p + 3, end); + continue; + } + + consumed = ret; /* Total bytes consumed including start code */ + + pkt->nb_obus++; + p += consumed; + + /* Skip to next start code if there's gap */ + if (p < end && AV_RB24(p) != 0x000001) { + p = find_next_startcode(p, end); + } + } + + return 0; +} diff --git a/libavcodec/av1_parse.h b/libavcodec/av1_parse.h index 2b8cce4835..cfbef53a1b 100644 --- a/libavcodec/av1_parse.h +++ b/libavcodec/av1_parse.h @@ -169,4 +169,40 @@ static inline int get_obu_bit_length(const uint8_t *buf, int size, int type) AVRational ff_av1_framerate(int64_t ticks_per_frame, int64_t units_per_tick, int64_t time_scale); +/** + * Check if data is in MPEG-TS start code format. + * + * MPEG-TS AV1 uses start codes (0x000001) to delimit OBUs, + * unlike Section 5 (Low Overhead) format. + * + * @param buf input buffer + * @param length buffer length + * @return 1 if start code format, 0 otherwise + */ +int ff_av1_is_startcode_format(const uint8_t *buf, int length); + +/** + * Extract a single OBU from MPEG-TS start code format. + * + * @param obu output OBU structure + * @param buf input buffer (should start with 0x000001 or 0x00000001) + * @param length input length + * @param logctx logging context + * @return bytes consumed on success, negative error code on failure + */ +int ff_av1_extract_obu_startcode(AV1OBU *obu, const uint8_t *buf, int length, + void *logctx); + +/** + * Split start code format packet into OBU list. + * + * @param pkt output OBU list + * @param buf input buffer + * @param length input length + * @param logctx logging context + * @return 0 on success, negative error code on failure + */ +int ff_av1_packet_split_startcode(AV1Packet *pkt, const uint8_t *buf, + int length, void *logctx); + #endif /* AVCODEC_AV1_PARSE_H */ -- 2.49.1 From 46dbfa94d86d193dad1065f2f75ba6e2504458ef Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:11:35 +0800 Subject: [PATCH 02/16] lavc/av1_parser: add start code format detection and conversion Detect MPEG-TS start code format input and convert to Section 5 format for CBS parsing. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavcodec/av1_parser.c | 85 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 84 insertions(+), 1 deletion(-) diff --git a/libavcodec/av1_parser.c b/libavcodec/av1_parser.c index 32135a23cb..ba3710853b 100644 --- a/libavcodec/av1_parser.c +++ b/libavcodec/av1_parser.c @@ -22,6 +22,7 @@ #include "libavutil/attributes.h" #include "libavutil/avassert.h" +#include "libavutil/mem.h" #include "av1_parse.h" #include "avcodec.h" @@ -33,6 +34,9 @@ typedef struct AV1ParseContext { CodedBitstreamContext *cbc; CodedBitstreamFragment temporal_unit; int parsed_extradata; + + /* Start code format detection for MPEG-TS input */ + int in_startcode_mode; } AV1ParseContext; static const enum AVPixelFormat pix_fmts_8bit[2][2] = { @@ -52,6 +56,54 @@ static const enum AVPixelFormat pix_fmts_rgb[3] = { AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12, }; +/** + * Convert start code format to Section 5 format for parsing. + */ +static int convert_startcode_to_section5(const uint8_t *src, int src_size, + uint8_t **dst, int *dst_size, + void *logctx) +{ + AV1Packet pkt = { 0 }; + int ret, i; + size_t total_size = 0; + uint8_t *out, *p; + + ret = ff_av1_packet_split_startcode(&pkt, src, src_size, logctx); + if (ret < 0) + return ret; + + /* Calculate output size */ + for (i = 0; i < pkt.nb_obus; i++) + total_size += pkt.obus[i].raw_size; + + if (total_size == 0) { + ff_av1_packet_uninit(&pkt); + *dst = NULL; + *dst_size = 0; + return 0; + } + + out = av_malloc(total_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!out) { + ff_av1_packet_uninit(&pkt); + return AVERROR(ENOMEM); + } + + /* Copy OBUs without start codes */ + p = out; + for (i = 0; i < pkt.nb_obus; i++) { + memcpy(p, pkt.obus[i].raw_data, pkt.obus[i].raw_size); + p += pkt.obus[i].raw_size; + } + memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + ff_av1_packet_uninit(&pkt); + + *dst = out; + *dst_size = total_size; + return 0; +} + static int av1_parser_parse(AVCodecParserContext *ctx, AVCodecContext *avctx, const uint8_t **out_data, int *out_size, @@ -62,6 +114,10 @@ static int av1_parser_parse(AVCodecParserContext *ctx, const CodedBitstreamAV1Context *av1 = s->cbc->priv_data; const AV1RawSequenceHeader *seq; const AV1RawColorConfig *color; + uint8_t *converted_data = NULL; + int converted_size = 0; + const uint8_t *parse_data; + int parse_size; int ret; *out_data = data; @@ -71,6 +127,25 @@ static int av1_parser_parse(AVCodecParserContext *ctx, ctx->pict_type = AV_PICTURE_TYPE_NONE; ctx->picture_structure = AV_PICTURE_STRUCTURE_UNKNOWN; + /* Detect and handle start code format from MPEG-TS */ + if (ff_av1_is_startcode_format(data, size)) { + s->in_startcode_mode = 1; + av_log(avctx, AV_LOG_DEBUG, "Detected AV1 start code format input\n"); + + ret = convert_startcode_to_section5(data, size, &converted_data, + &converted_size, avctx); + if (ret < 0) { + av_log(avctx, AV_LOG_ERROR, "Failed to convert start code format\n"); + return size; + } + + parse_data = converted_data; + parse_size = converted_size; + } else { + parse_data = data; + parse_size = size; + } + s->cbc->log_ctx = avctx; if (avctx->extradata_size && !s->parsed_extradata) { @@ -84,7 +159,14 @@ static int av1_parser_parse(AVCodecParserContext *ctx, ff_cbs_fragment_reset(td); } - ret = ff_cbs_read(s->cbc, td, NULL, data, size); + if (parse_size == 0) { + av_freep(&converted_data); + goto end_no_parse; + } + + ret = ff_cbs_read(s->cbc, td, NULL, parse_data, parse_size); + av_freep(&converted_data); + if (ret < 0) { av_log(avctx, AV_LOG_ERROR, "Failed to parse temporal unit.\n"); goto end; @@ -174,6 +256,7 @@ static int av1_parser_parse(AVCodecParserContext *ctx, end: ff_cbs_fragment_reset(td); +end_no_parse: s->cbc->log_ctx = NULL; return size; -- 2.49.1 From 089eddfe29a87652b1812dce299871640ab45868 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:12:47 +0800 Subject: [PATCH 03/16] lavc/bsf: add av1_tstosection5 bitstream filter Convert AV1 from MPEG-TS start code format (0x000001 prefix) to Section 5 (low overhead) format. This is needed when remuxing AV1 streams from MPEG-TS to other containers like MP4, MKV, or IVF. Acts as no-op if input is already in Section 5 format, following the pattern of h264_mp4toannexb and hevc_mp4toannexb BSFs. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavcodec/bitstream_filters.c | 1 + libavcodec/bsf/Makefile | 1 + libavcodec/bsf/av1_tstosection5.c | 191 ++++++++++++++++++++++++++++++ 3 files changed, 193 insertions(+) create mode 100644 libavcodec/bsf/av1_tstosection5.c diff --git a/libavcodec/bitstream_filters.c b/libavcodec/bitstream_filters.c index b4b852c7e6..f32beec8fe 100644 --- a/libavcodec/bitstream_filters.c +++ b/libavcodec/bitstream_filters.c @@ -30,6 +30,7 @@ extern const FFBitStreamFilter ff_apv_metadata_bsf; extern const FFBitStreamFilter ff_av1_frame_merge_bsf; extern const FFBitStreamFilter ff_av1_frame_split_bsf; extern const FFBitStreamFilter ff_av1_metadata_bsf; +extern const FFBitStreamFilter ff_av1_tstosection5_bsf; extern const FFBitStreamFilter ff_chomp_bsf; extern const FFBitStreamFilter ff_dump_extradata_bsf; extern const FFBitStreamFilter ff_dca_core_bsf; diff --git a/libavcodec/bsf/Makefile b/libavcodec/bsf/Makefile index 360fd1e32f..b1c9e459be 100644 --- a/libavcodec/bsf/Makefile +++ b/libavcodec/bsf/Makefile @@ -7,6 +7,7 @@ OBJS-$(CONFIG_APV_METADATA_BSF) += bsf/apv_metadata.o OBJS-$(CONFIG_AV1_FRAME_MERGE_BSF) += bsf/av1_frame_merge.o OBJS-$(CONFIG_AV1_FRAME_SPLIT_BSF) += bsf/av1_frame_split.o OBJS-$(CONFIG_AV1_METADATA_BSF) += bsf/av1_metadata.o +OBJS-$(CONFIG_AV1_TSTOSECTION5_BSF) += bsf/av1_tstosection5.o OBJS-$(CONFIG_CHOMP_BSF) += bsf/chomp.o OBJS-$(CONFIG_DCA_CORE_BSF) += bsf/dca_core.o OBJS-$(CONFIG_DTS2PTS_BSF) += bsf/dts2pts.o diff --git a/libavcodec/bsf/av1_tstosection5.c b/libavcodec/bsf/av1_tstosection5.c new file mode 100644 index 0000000000..2981602d70 --- /dev/null +++ b/libavcodec/bsf/av1_tstosection5.c @@ -0,0 +1,191 @@ +/* + * AV1 MPEG-TS to Section 5 (Low Overhead) bitstream filter + * Copyright (c) 2025 Jun Zhao <barryjzhao(a)tencent.com> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * This bitstream filter converts AV1 from MPEG-TS start code format + * to Section 5 (Low Overhead) format. + * + * If the input is already in Section 5 format, it passes through unchanged. + * + * Note: Per AOM AV1-MPEG2-TS spec section 3.6.2.1, emulation prevention bytes + * should be handled, but for now we rely on the obu_size field for boundary + * detection which makes emulation prevention optional in practice. + */ + +#include "libavutil/mem.h" + +#include "bsf.h" +#include "bsf_internal.h" +#include "av1.h" +#include "av1_parse.h" + +typedef struct AV1TsToSection5Context { + AVPacket *buffer_pkt; + + uint8_t *output_buffer; + size_t output_buffer_size; + size_t output_buffer_capacity; +} AV1TsToSection5Context; + +static int ensure_output_buffer(AV1TsToSection5Context *s, size_t required) +{ + if (s->output_buffer_capacity >= required) + return 0; + + size_t new_capacity = FFMAX(required, s->output_buffer_capacity * 2); + new_capacity = FFMAX(new_capacity, 4096); + + uint8_t *new_buffer = av_realloc(s->output_buffer, + new_capacity + AV_INPUT_BUFFER_PADDING_SIZE); + if (!new_buffer) + return AVERROR(ENOMEM); + + s->output_buffer = new_buffer; + s->output_buffer_capacity = new_capacity; + return 0; +} + +static int convert_startcode_to_section5(AV1TsToSection5Context *s, + const uint8_t *src, int src_size, + void *logctx) +{ + AV1Packet pkt = { 0 }; + int ret, i; + size_t total_size = 0; + uint8_t *p; + + /* Parse start code format */ + ret = ff_av1_packet_split_startcode(&pkt, src, src_size, logctx); + if (ret < 0) + return ret; + + /* Calculate output size (Section 5 format without start codes) */ + for (i = 0; i < pkt.nb_obus; i++) { + total_size += pkt.obus[i].raw_size; + } + + /* Ensure output buffer capacity */ + ret = ensure_output_buffer(s, total_size); + if (ret < 0) { + ff_av1_packet_uninit(&pkt); + return ret; + } + + /* Write Section 5 format (no start codes) */ + p = s->output_buffer; + for (i = 0; i < pkt.nb_obus; i++) { + memcpy(p, pkt.obus[i].raw_data, pkt.obus[i].raw_size); + p += pkt.obus[i].raw_size; + } + + s->output_buffer_size = total_size; + + /* Fill padding */ + memset(s->output_buffer + total_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + ff_av1_packet_uninit(&pkt); + return 0; +} + +static int av1_ts_to_section5_filter(AVBSFContext *ctx, AVPacket *pkt) +{ + AV1TsToSection5Context *s = ctx->priv_data; + int ret; + + ret = ff_bsf_get_packet_ref(ctx, s->buffer_pkt); + if (ret < 0) + return ret; + + /* If already Section 5 format, pass through (no-op) */ + if (!ff_av1_is_startcode_format(s->buffer_pkt->data, s->buffer_pkt->size)) { + av_packet_move_ref(pkt, s->buffer_pkt); + return 0; + } + + /* Convert format */ + ret = convert_startcode_to_section5(s, s->buffer_pkt->data, + s->buffer_pkt->size, ctx); + if (ret < 0) { + av_packet_unref(s->buffer_pkt); + return ret; + } + + /* Create output packet */ + ret = av_new_packet(pkt, s->output_buffer_size); + if (ret < 0) { + av_packet_unref(s->buffer_pkt); + return ret; + } + + memcpy(pkt->data, s->output_buffer, s->output_buffer_size); + + /* Copy metadata */ + ret = av_packet_copy_props(pkt, s->buffer_pkt); + if (ret < 0) { + av_packet_unref(pkt); + av_packet_unref(s->buffer_pkt); + return ret; + } + + av_packet_unref(s->buffer_pkt); + return 0; +} + +static int av1_ts_to_section5_init(AVBSFContext *ctx) +{ + AV1TsToSection5Context *s = ctx->priv_data; + + s->buffer_pkt = av_packet_alloc(); + if (!s->buffer_pkt) + return AVERROR(ENOMEM); + + return 0; +} + +static void av1_ts_to_section5_flush(AVBSFContext *ctx) +{ + AV1TsToSection5Context *s = ctx->priv_data; + av_packet_unref(s->buffer_pkt); +} + +static void av1_ts_to_section5_close(AVBSFContext *ctx) +{ + AV1TsToSection5Context *s = ctx->priv_data; + + av_packet_free(&s->buffer_pkt); + av_freep(&s->output_buffer); +} + +static const enum AVCodecID av1_ts_to_section5_codec_ids[] = { + AV_CODEC_ID_AV1, AV_CODEC_ID_NONE, +}; + +const FFBitStreamFilter ff_av1_tstosection5_bsf = { + .p.name = "av1_tstosection5", + .p.codec_ids = av1_ts_to_section5_codec_ids, + .priv_data_size = sizeof(AV1TsToSection5Context), + .init = av1_ts_to_section5_init, + .flush = av1_ts_to_section5_flush, + .close = av1_ts_to_section5_close, + .filter = av1_ts_to_section5_filter, +}; + -- 2.49.1 From 8ca6212b38b5f9242ff7100678b121e9114dce30 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:13:06 +0800 Subject: [PATCH 04/16] lavf/mpegts: add AV1 demuxing support Add AV1 stream type (0x46) and AV1 Video Descriptor (0x80) parsing per AOM AV1 in MPEG-2 TS specification. Extract sequence parameters (profile, level, tier, bitdepth, chroma) from descriptor. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/mpegts.c | 34 ++++++++++++++++++++++++++++++++++ libavformat/mpegts.h | 5 +++++ 2 files changed, 39 insertions(+) diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c index 7c19abaf76..7ae52bbe22 100644 --- a/libavformat/mpegts.c +++ b/libavformat/mpegts.c @@ -817,6 +817,7 @@ static const StreamType ISO_types[] = { { STREAM_TYPE_VIDEO_HEVC, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC }, { STREAM_TYPE_VIDEO_JPEGXS, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_JPEGXS }, { STREAM_TYPE_VIDEO_VVC, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VVC }, + { STREAM_TYPE_VIDEO_AV1, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_AV1 }, { STREAM_TYPE_VIDEO_CAVS, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_CAVS }, { STREAM_TYPE_VIDEO_DIRAC, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_DIRAC }, { STREAM_TYPE_VIDEO_AVS2, AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_AVS2 }, @@ -874,6 +875,7 @@ static const StreamType REGD_types[] = { { MKTAG('E', 'A', 'C', '3'), AVMEDIA_TYPE_AUDIO, AV_CODEC_ID_EAC3 }, { MKTAG('H', 'E', 'V', 'C'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_HEVC }, { MKTAG('V', 'V', 'C', ' '), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_VVC }, + { MKTAG('A', 'V', '0', '1'), AVMEDIA_TYPE_VIDEO, AV_CODEC_ID_AV1 }, { MKTAG('K', 'L', 'V', 'A'), AVMEDIA_TYPE_DATA, AV_CODEC_ID_SMPTE_KLV }, { MKTAG('V', 'A', 'N', 'C'), AVMEDIA_TYPE_DATA, AV_CODEC_ID_SMPTE_2038 }, { MKTAG('I', 'D', '3', ' '), AVMEDIA_TYPE_DATA, AV_CODEC_ID_TIMED_ID3 }, @@ -2294,6 +2296,38 @@ int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type sti->need_parsing = 0; } break; + case AV1_VIDEO_DESCRIPTOR: + /* Parse AV1 video descriptor per AOM "Carriage of AV1 in MPEG-2 TS" Section 2.2 */ + if (st->codecpar->codec_id == AV_CODEC_ID_AV1 && desc_len >= 4) { + int marker_version, seq_profile, seq_level_idx_0; + int seq_tier_0, high_bitdepth, twelve_bit, monochrome; + int byte1, byte2; + + marker_version = get8(pp, desc_end); + /* marker should be 1, version should be 1 */ + if ((marker_version & 0x80) && (marker_version & 0x7F) == 1) { + byte1 = get8(pp, desc_end); + byte2 = get8(pp, desc_end); + (void)get8(pp, desc_end); /* byte3: hdr_wcg_idc, reserved, etc. */ + + seq_profile = (byte1 >> 5) & 0x07; + seq_level_idx_0 = byte1 & 0x1F; + seq_tier_0 = (byte2 >> 7) & 0x01; + high_bitdepth = (byte2 >> 6) & 0x01; + twelve_bit = (byte2 >> 5) & 0x01; + monochrome = (byte2 >> 4) & 0x01; + + /* Set profile and level */ + st->codecpar->profile = seq_profile; + st->codecpar->level = seq_level_idx_0; + + av_log(fc, AV_LOG_TRACE, "AV1 video descriptor: profile=%d, level=%d, " + "tier=%d, bitdepth=%d, mono=%d\n", + seq_profile, seq_level_idx_0, seq_tier_0, + high_bitdepth ? (twelve_bit ? 12 : 10) : 8, monochrome); + } + } + break; case DOVI_VIDEO_STREAM_DESCRIPTOR: { uint32_t buf; diff --git a/libavformat/mpegts.h b/libavformat/mpegts.h index 223962d18e..c2bd5ca6e6 100644 --- a/libavformat/mpegts.h +++ b/libavformat/mpegts.h @@ -146,6 +146,7 @@ #define STREAM_TYPE_VIDEO_HEVC 0x24 #define STREAM_TYPE_VIDEO_JPEGXS 0x32 #define STREAM_TYPE_VIDEO_VVC 0x33 +#define STREAM_TYPE_VIDEO_AV1 0x06 /* Per AOM AV1-MPEG2-TS draft spec */ #define STREAM_TYPE_VIDEO_CAVS 0x42 #define STREAM_TYPE_VIDEO_AVS2 0xd2 #define STREAM_TYPE_VIDEO_AVS3 0xd4 @@ -230,6 +231,10 @@ https://developer.apple.com/library/archive/documentation/AudioVideo/Concep… https://professional.dolby.com/siteassets/content-creation/dolby-vision-for… */ #define DOVI_VIDEO_STREAM_DESCRIPTOR 0xb0 +/** AV1 video descriptor per AOM "Carriage of AV1 in MPEG-2 TS" Section 2.2 + https://aomediacodec.github.io/av1-mpeg2-ts/ */ +#define AV1_VIDEO_DESCRIPTOR 0x80 + #define DATA_COMPONENT_DESCRIPTOR 0xfd /* ARIB STD-B10 */ typedef struct MpegTSContext MpegTSContext; -- 2.49.1 From e5c105d0bd22e87b1c1aac3d60f90cba129c0078 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:13:35 +0800 Subject: [PATCH 05/16] lavf/mpegtsenc: add AV1 muxing support Add AV1 muxing support per AOM AV1 in MPEG-2 TS specification: - Stream type 0x46 and 'AV01' registration descriptor - Convert Section 5 format to start code format (0x000001 prefix) - Write AV1 Video Descriptor (0x80) with sequence parameters Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/mpegtsenc.c | 221 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 221 insertions(+) diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c index ea7c6065a0..ff7e2d131f 100644 --- a/libavformat/mpegtsenc.c +++ b/libavformat/mpegtsenc.c @@ -34,9 +34,12 @@ #include "libavcodec/h264.h" #include "libavcodec/hevc/hevc.h" #include "libavcodec/vvc.h" +#include "libavcodec/av1.h" +#include "libavcodec/av1_parse.h" #include "libavcodec/startcode.h" #include "avformat.h" +#include "av1.h" #include "avio_internal.h" #include "internal.h" #include "mpegts.h" @@ -351,6 +354,86 @@ static void put_registration_descriptor(uint8_t **q_ptr, uint32_t tag) *q_ptr = q; } +/** + * Write AV1 video descriptor per AOM AV1 in MPEG-2 TS spec Section 2.2. + * + * The descriptor uses the same data structure as AV1CodecConfigurationRecord + * from ISOBMFF with two reserved bits repurposed for HDR/WCG identification. + */ +static int put_av1_video_descriptor(AVFormatContext *s, uint8_t **q_ptr, + AVCodecParameters *par) +{ + AV1SequenceParameters seq; + uint8_t *q = *q_ptr; + int ret; + uint8_t high_bitdepth, twelve_bit; + uint8_t hdr_wcg_idc = 0; /* SDR by default */ + + if (!par->extradata || par->extradata_size < 4) { + av_log(s, AV_LOG_WARNING, "AV1 extradata not available for video descriptor\n"); + return 0; /* Skip descriptor if no extradata */ + } + + ret = ff_av1_parse_seq_header(&seq, par->extradata, par->extradata_size); + if (ret < 0) { + av_log(s, AV_LOG_WARNING, "Failed to parse AV1 sequence header\n"); + return 0; /* Skip descriptor on error */ + } + + /* Determine high_bitdepth and twelve_bit from bitdepth */ + if (seq.bitdepth == 12) { + high_bitdepth = 1; + twelve_bit = 1; + } else if (seq.bitdepth == 10) { + high_bitdepth = 1; + twelve_bit = 0; + } else { + high_bitdepth = 0; + twelve_bit = 0; + } + + /* Determine HDR/WCG indicator based on color info */ + /* hdr_wcg_idc: 0=SDR, 1=WCG only, 2=HDR and WCG, 3=no indication */ + if (seq.color_description_present_flag) { + /* Check for HDR transfer characteristics (PQ or HLG) */ + int is_hdr = (seq.transfer_characteristics == 16 || /* PQ (SMPTE ST 2084) */ + seq.transfer_characteristics == 18); /* HLG (ARIB STD-B67) */ + /* Check for WCG (BT.2020 primaries) */ + int is_wcg = (seq.color_primaries == 9); /* BT.2020 */ + + if (is_hdr && is_wcg) + hdr_wcg_idc = 2; + else if (is_wcg) + hdr_wcg_idc = 1; + /* else SDR (0) */ + } + + /* descriptor_tag = 0x80 (AV1 video descriptor) */ + *q++ = 0x80; + /* descriptor_length = 4 */ + *q++ = 4; + /* Byte 0: marker (1) | version (7) = 0x81 (marker=1, version=1) */ + *q++ = 0x81; + /* Byte 1: seq_profile (3) | seq_level_idx_0 (5) */ + *q++ = (seq.profile << 5) | (seq.level & 0x1F); + /* Byte 2: seq_tier_0 (1) | high_bitdepth (1) | twelve_bit (1) | monochrome (1) | + * chroma_subsampling_x (1) | chroma_subsampling_y (1) | chroma_sample_position (2) */ + *q++ = (seq.tier << 7) | + (high_bitdepth << 6) | + (twelve_bit << 5) | + (seq.monochrome << 4) | + (seq.chroma_subsampling_x << 3) | + (seq.chroma_subsampling_y << 2) | + (seq.chroma_sample_position & 0x03); + /* Byte 3: hdr_wcg_idc (2) | reserved_zeros (1) | initial_presentation_delay_present (1) | + * reserved_zeros (4) */ + /* We don't use initial_presentation_delay, so set to 0 */ + *q++ = (hdr_wcg_idc << 6); + + *q_ptr = q; + return 0; +} + static int get_dvb_stream_type(AVFormatContext *s, AVStream *st) { MpegTSWrite *ts = s->priv_data; @@ -374,6 +457,9 @@ static int get_dvb_stream_type(AVFormatContext *s, AVStream *st) case AV_CODEC_ID_VVC: stream_type = STREAM_TYPE_VIDEO_VVC; break; + case AV_CODEC_ID_AV1: + stream_type = STREAM_TYPE_PRIVATE_DATA; + break; case AV_CODEC_ID_CAVS: stream_type = STREAM_TYPE_VIDEO_CAVS; break; @@ -807,6 +893,9 @@ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) put_registration_descriptor(&q, MKTAG('V', 'C', '-', '1')); } else if (stream_type == STREAM_TYPE_VIDEO_HEVC && s->strict_std_compliance <= FF_COMPLIANCE_NORMAL) { put_registration_descriptor(&q, MKTAG('H', 'E', 'V', 'C')); + } else if (codec_id == AV_CODEC_ID_AV1 && s->strict_std_compliance <= FF_COMPLIANCE_NORMAL) { + put_registration_descriptor(&q, MKTAG('A', 'V', '0', '1')); + put_av1_video_descriptor(s, &q, st->codecpar); } else if (stream_type == STREAM_TYPE_VIDEO_CAVS || stream_type == STREAM_TYPE_VIDEO_AVS2 || stream_type == STREAM_TYPE_VIDEO_AVS3) { put_registration_descriptor(&q, MKTAG('A', 'V', 'S', 'V')); @@ -1453,6 +1542,9 @@ static int get_pes_stream_id(AVFormatContext *s, AVStream *st, int stream_id, in if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) { if (st->codecpar->codec_id == AV_CODEC_ID_DIRAC) return STREAM_ID_EXTENDED_STREAM_ID; + else if (st->codecpar->codec_id == AV_CODEC_ID_AV1) + /* Per AOM AV1-MPEG2-TS draft spec: AV1 uses private_stream_1 (0xBD) */ + return STREAM_ID_PRIVATE_STREAM_1; else return STREAM_ID_VIDEO_STREAM_0; } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && @@ -1789,6 +1881,106 @@ int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPack return check_h26x_startcode(s, st, pkt, "h264"); } +/** + * Check if this is the start of a Temporal Unit. + */ +static int av1_is_temporal_unit_start(const uint8_t *data, int size) +{ + AV1Packet pkt = { 0 }; + int ret, result = 0; + + ret = ff_av1_packet_split(&pkt, data, size, NULL); + if (ret < 0) + return 1; /* Assume TU start on error */ + + /* Check if first OBU is TD */ + if (pkt.nb_obus > 0 && + pkt.obus[0].type == AV1_OBU_TEMPORAL_DELIMITER) { + result = 1; + } + + ff_av1_packet_uninit(&pkt); + return result; +} + +/** + * Convert Section 5 format to MPEG-TS start code format. + * + * @param is_tu_start whether this is the start of a Temporal Unit, + * determines if TD OBU should be inserted + * + * Note: Per AOM AV1-MPEG2-TS spec section 3.6.2.1, emulation prevention bytes + * should be handled, but for now we rely on the obu_size field for boundary + * detection which makes emulation prevention optional in practice. + */ +static int av1_section5_to_startcode(const uint8_t *src, int src_size, + uint8_t **dst, int *dst_size, + int is_tu_start, void *logctx) +{ + AV1Packet pkt = { 0 }; + int ret, i; + int total_size = 0; + uint8_t *out, *p; + + /* Parse Section 5 format OBUs */ + ret = ff_av1_packet_split(&pkt, src, src_size, logctx); + if (ret < 0) + return ret; + + /* Calculate output size */ + /* TD OBU if needed: 3 (start code) + 2 (header + size) */ + if (is_tu_start) + total_size += 5; + + for (i = 0; i < pkt.nb_obus; i++) { + /* Skip TD OBU in input (we control insertion) */ + if (pkt.obus[i].type == AV1_OBU_TEMPORAL_DELIMITER) + continue; + /* Each OBU: 3 (start code) + raw_size */ + total_size += 3 + pkt.obus[i].raw_size; + } + + out = av_malloc(total_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!out) { + ff_av1_packet_uninit(&pkt); + return AVERROR(ENOMEM); + } + p = out; + + /* Insert TD OBU at TU start */ + if (is_tu_start) { + /* Start code */ + AV_WB24(p, 0x000001); + p += 3; + /* TD OBU header: type=2, extension_flag=0, has_size_field=1 */ + *p++ = (AV1_OBU_TEMPORAL_DELIMITER << 3) | 0x02; + /* obu_size = 0 */ + *p++ = 0x00; + } + + /* Write other OBUs with start codes */ + for (i = 0; i < pkt.nb_obus; i++) { + if (pkt.obus[i].type == AV1_OBU_TEMPORAL_DELIMITER) + continue; + + /* Start code */ + AV_WB24(p, 0x000001); + p += 3; + /* OBU data */ + memcpy(p, pkt.obus[i].raw_data, pkt.obus[i].raw_size); + p += pkt.obus[i].raw_size; + } + + memset(p, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + ff_av1_packet_uninit(&pkt); + + *dst = out; + *dst_size = total_size; + + return 0; +} + /* Based on GStreamer's gst-plugins-base/ext/ogg/gstoggstream.c * Released under the LGPL v2.1+, written by * Vincent Penquerc'h <vincent.penquerch(a)collabora.co.uk> @@ -2063,6 +2255,22 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) if (!data) return AVERROR(ENOMEM); } + } else if (st->codecpar->codec_id == AV_CODEC_ID_AV1) { + int is_tu_start; + int new_size = 0; + int av1_ret; + + /* Check if this is start of Temporal Unit */ + is_tu_start = av1_is_temporal_unit_start(buf, size); + + /* Convert Section 5 to start code format */ + av1_ret = av1_section5_to_startcode(buf, size, &data, &new_size, + is_tu_start, s); + if (av1_ret < 0) + return av1_ret; + + buf = data; + size = new_size; } else if (st->codecpar->codec_id == AV_CODEC_ID_OPUS) { if (pkt->size < 2) { av_log(s, AV_LOG_ERROR, "Opus packet too short\n"); @@ -2325,6 +2533,19 @@ static int mpegts_check_bitstream(AVFormatContext *s, AVStream *st, ((st->codecpar->extradata[0] & e->mask) == e->value)))) return ff_stream_add_bitstream_filter(st, e->bsf_name, NULL); } + + /* AV1: Per MPEG-TS AV1 spec section 3.3, each PES packet should contain a + * single Access Unit (frame's OBUs). The av1_frame_split BSF can split + * multi-frame Temporal Units, but this causes DTS conflicts because all + * split frames inherit the same DTS, and modifying DTS causes pts < dts + * errors when the shown frame is not first in decode order. + * + * Most AV1 encoders (libaom, SVT-AV1) produce single-frame TUs, so the + * current implementation works without av1_frame_split. For multi-frame TUs + * (e.g., SVC content), users should manually apply av1_frame_split with + * appropriate timestamp handling. + */ + return 1; } -- 2.49.1 From 95b193dc201614613988eca0006c8587fc23007e Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:13:48 +0800 Subject: [PATCH 06/16] lavf/movenc: add automatic av1_tstosection5 BSF insertion Automatically insert av1_tstosection5 BSF when muxing AV1 streams from MPEG-TS start code format to MP4/MOV. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/movenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/movenc.c b/libavformat/movenc.c index 8d8acd2aff..8de7308434 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -45,6 +45,7 @@ #include "libavcodec/internal.h" #include "libavcodec/put_bits.h" +#include "libavcodec/av1_parse.h" #include "libavcodec/vc1_common.h" #include "libavcodec/raw.h" #include "internal.h" @@ -8799,6 +8800,10 @@ static int mov_check_bitstream(AVFormatContext *s, AVStream *st, ret = ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL); } else if (st->codecpar->codec_id == AV_CODEC_ID_VP9) { ret = ff_stream_add_bitstream_filter(st, "vp9_superframe", NULL); + } else if (st->codecpar->codec_id == AV_CODEC_ID_AV1) { + /* Convert MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(pkt->data, pkt->size)) + ret = ff_stream_add_bitstream_filter(st, "av1_tstosection5", NULL); } return ret; -- 2.49.1 From 7e6fab1faee9819b953edcf6314754a5b6593c26 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:13:56 +0800 Subject: [PATCH 07/16] lavf/flvenc: add automatic av1_tstosection5 BSF insertion Automatically insert av1_tstosection5 BSF when muxing AV1 streams from MPEG-TS start code format to FLV. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/flvenc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/flvenc.c b/libavformat/flvenc.c index a0503c1799..497e93f460 100644 --- a/libavformat/flvenc.c +++ b/libavformat/flvenc.c @@ -39,6 +39,7 @@ #include "nal.h" #include "mux.h" #include "libavutil/opt.h" +#include "libavcodec/av1_parse.h" #include "libavcodec/put_bits.h" @@ -1473,6 +1474,11 @@ static int flv_check_bitstream(AVFormatContext *s, AVStream *st, if (pkt->size > 2 && (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) return ff_stream_add_bitstream_filter(st, "aac_adtstoasc", NULL); } + /* Convert MPEG-TS start code format to Section 5 if needed */ + if (st->codecpar->codec_id == AV_CODEC_ID_AV1 && + ff_av1_is_startcode_format(pkt->data, pkt->size)) + return ff_stream_add_bitstream_filter(st, "av1_tstosection5", NULL); + /* Extract extradata if needed */ if (!st->codecpar->extradata_size && (st->codecpar->codec_id == AV_CODEC_ID_H264 || st->codecpar->codec_id == AV_CODEC_ID_HEVC || -- 2.49.1 From 15bea4efcfa04c1ceb80664d22c62067dd87ccda Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:14:06 +0800 Subject: [PATCH 08/16] lavf/matroskaenc: add automatic av1_tstosection5 BSF insertion Automatically insert av1_tstosection5 BSF when muxing AV1 streams from MPEG-TS start code format to MKV/WebM. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/matroskaenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 18f17f4329..45f870e9f2 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -24,6 +24,7 @@ #include "config_components.h" #include "av1.h" +#include "libavcodec/av1_parse.h" #include "avc.h" #include "hevc.h" #include "avformat.h" @@ -3513,6 +3514,10 @@ static int mkv_check_bitstream(AVFormatContext *s, AVStream *st, } else if (CONFIG_MATROSKA_MUXER && st->codecpar->codec_id == AV_CODEC_ID_HDMV_PGS_SUBTITLE) { ret = ff_stream_add_bitstream_filter(st, "pgs_frame_merge", NULL); + } else if (st->codecpar->codec_id == AV_CODEC_ID_AV1) { + /* Convert MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(pkt->data, pkt->size)) + return ff_stream_add_bitstream_filter(st, "av1_tstosection5", NULL); } return ret; -- 2.49.1 From 3193e5f52772e27f46942fc929b22c72b4efce7a Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:14:17 +0800 Subject: [PATCH 09/16] lavf/ivfenc: add automatic av1_tstosection5 BSF insertion Automatically insert av1_tstosection5 BSF when muxing AV1 streams from MPEG-TS start code format to IVF. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/ivfenc.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) diff --git a/libavformat/ivfenc.c b/libavformat/ivfenc.c index 9feaea3516..267574fb09 100644 --- a/libavformat/ivfenc.c +++ b/libavformat/ivfenc.c @@ -21,6 +21,7 @@ #include "internal.h" #include "mux.h" #include "libavutil/intreadwrite.h" +#include "libavcodec/av1_parse.h" typedef struct IVFEncContext { unsigned frame_cnt; @@ -42,15 +43,26 @@ static int ivf_init(AVFormatContext *s) int ret = ff_stream_add_bitstream_filter(s->streams[0], "vp9_superframe", NULL); if (ret < 0) return ret; - } else if (par->codec_id == AV_CODEC_ID_AV1) { - int ret = ff_stream_add_bitstream_filter(s->streams[0], "av1_metadata", "td=insert"); - if (ret < 0) - return ret; } + /* AV1 BSFs (av1_tstosection5 and av1_metadata) are added in check_bitstream + * to properly handle MPEG-TS start code format input */ return 0; } +static int ivf_check_bitstream(AVFormatContext *s, AVStream *st, + const AVPacket *pkt) +{ + if (st->codecpar->codec_id == AV_CODEC_ID_AV1) { + /* Convert from MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(pkt->data, pkt->size)) + return ff_stream_add_bitstream_filter(st, "av1_tstosection5", NULL); + /* Add av1_metadata to insert Temporal Delimiter OBUs */ + return ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert"); + } + return 1; +} + static int ivf_write_header(AVFormatContext *s) { AVCodecParameters *par = s->streams[0]->codecpar; @@ -125,4 +137,5 @@ const FFOutputFormat ff_ivf_muxer = { .write_header = ivf_write_header, .write_packet = ivf_write_packet, .write_trailer = ivf_write_trailer, + .check_bitstream = ivf_check_bitstream, }; -- 2.49.1 From 8032da04596c1773f738daf6e61d1b4033cbf2c6 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:14:25 +0800 Subject: [PATCH 10/16] lavf/rawenc: add automatic av1_tstosection5 BSF insertion for OBU Automatically insert av1_tstosection5 BSF when muxing AV1 streams from MPEG-TS start code format to OBU raw format. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavformat/rawenc.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavformat/rawenc.c b/libavformat/rawenc.c index cf298d223d..4e03e24f9b 100644 --- a/libavformat/rawenc.c +++ b/libavformat/rawenc.c @@ -24,6 +24,8 @@ #include "libavutil/intreadwrite.h" +#include "libavcodec/av1_parse.h" + #include "avformat.h" #include "rawenc.h" #include "mux.h" @@ -569,6 +571,10 @@ const FFOutputFormat ff_mpeg2video_muxer = { static int obu_check_bitstream(AVFormatContext *s, AVStream *st, const AVPacket *pkt) { + /* Convert from MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(pkt->data, pkt->size)) + return ff_stream_add_bitstream_filter(st, "av1_tstosection5", NULL); + return ff_stream_add_bitstream_filter(st, "av1_metadata", "td=insert"); } -- 2.49.1 From 14989d57511e54b36fbadb39be1c2f204a70040c Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:14:55 +0800 Subject: [PATCH 11/16] lavc/libdav1d: add MPEG-TS start code format support Automatically detect and convert MPEG-TS start code format to Section 5 format before passing to libdav1d. This allows direct decoding of AV1 streams from MPEG-TS without manual BSF application. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavcodec/libdav1d.c | 66 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c index 7f63bb1b15..67f30e52ba 100644 --- a/libavcodec/libdav1d.c +++ b/libavcodec/libdav1d.c @@ -299,6 +299,48 @@ static void libdav1d_user_data_free(const uint8_t *data, void *opaque) { av_packet_free(&pkt); } +/** + * Convert start code format to Section 5 format for libdav1d. + * This is needed when receiving AV1 data from MPEG-TS demuxer. + */ +static int libdav1d_convert_startcode(AVCodecContext *c, AVPacket *pkt) +{ + AV1Packet av1_pkt = { 0 }; + uint8_t *new_data; + size_t new_size = 0; + int ret, i; + + ret = ff_av1_packet_split_startcode(&av1_pkt, pkt->data, pkt->size, c); + if (ret < 0) + return ret; + + /* Calculate output size */ + for (i = 0; i < av1_pkt.nb_obus; i++) + new_size += av1_pkt.obus[i].raw_size; + + if (new_size == 0) { + ff_av1_packet_uninit(&av1_pkt); + return 0; + } + + /* Allocate new buffer */ + ret = av_new_packet(pkt, new_size); + if (ret < 0) { + ff_av1_packet_uninit(&av1_pkt); + return ret; + } + + /* Copy OBUs without start codes */ + new_data = pkt->data; + for (i = 0; i < av1_pkt.nb_obus; i++) { + memcpy(new_data, av1_pkt.obus[i].raw_data, av1_pkt.obus[i].raw_size); + new_data += av1_pkt.obus[i].raw_size; + } + + ff_av1_packet_uninit(&av1_pkt); + return 0; +} + static int libdav1d_receive_frame_internal(AVCodecContext *c, Dav1dPicture *p) { Libdav1dContext *dav1d = c->priv_data; @@ -318,6 +360,30 @@ static int libdav1d_receive_frame_internal(AVCodecContext *c, Dav1dPicture *p) } if (pkt->size) { + /* Convert MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(pkt->data, pkt->size)) { + AVPacket *new_pkt = av_packet_alloc(); + if (!new_pkt) { + av_packet_free(&pkt); + return AVERROR(ENOMEM); + } + + res = av_packet_ref(new_pkt, pkt); + if (res < 0) { + av_packet_free(&pkt); + av_packet_free(&new_pkt); + return res; + } + av_packet_free(&pkt); + pkt = new_pkt; + + res = libdav1d_convert_startcode(c, pkt); + if (res < 0) { + av_packet_free(&pkt); + return res; + } + } + res = dav1d_data_wrap(data, pkt->data, pkt->size, libdav1d_data_free, pkt->buf); if (res < 0) { -- 2.49.1 From efc3c68c602f77471c4f92c2c261bf015801fd9a Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:15:04 +0800 Subject: [PATCH 12/16] lavc/libaomdec: add MPEG-TS start code format support Automatically detect and convert MPEG-TS start code format to Section 5 format before passing to libaom. This allows direct decoding of AV1 streams from MPEG-TS without manual BSF application. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- libavcodec/libaomdec.c | 71 +++++++++++++++++++++++++++++++++++++++++- 1 file changed, 70 insertions(+), 1 deletion(-) diff --git a/libavcodec/libaomdec.c b/libavcodec/libaomdec.c index 9e9c4d18c5..cbd28626a5 100644 --- a/libavcodec/libaomdec.c +++ b/libavcodec/libaomdec.c @@ -30,8 +30,10 @@ #include "libavutil/cpu.h" #include "libavutil/hdr_dynamic_metadata.h" #include "libavutil/imgutils.h" +#include "libavutil/mem.h" #include "avcodec.h" +#include "av1_parse.h" #include "bytestream.h" #include "codec_internal.h" #include "decode.h" @@ -195,15 +197,79 @@ static int decode_metadata(AVFrame *frame, const struct aom_image *img) return 0; } +/** + * Convert start code format to Section 5 format for libaom. + * This is needed when receiving AV1 data from MPEG-TS demuxer. + */ +static int libaom_convert_startcode(AVCodecContext *avctx, + const uint8_t *src, int src_size, + uint8_t **dst, int *dst_size) +{ + AV1Packet pkt = { 0 }; + uint8_t *out; + size_t total_size = 0; + int ret, i; + + ret = ff_av1_packet_split_startcode(&pkt, src, src_size, avctx); + if (ret < 0) + return ret; + + /* Calculate output size */ + for (i = 0; i < pkt.nb_obus; i++) + total_size += pkt.obus[i].raw_size; + + if (total_size == 0) { + ff_av1_packet_uninit(&pkt); + *dst = NULL; + *dst_size = 0; + return 0; + } + + /* Allocate output buffer */ + out = av_malloc(total_size + AV_INPUT_BUFFER_PADDING_SIZE); + if (!out) { + ff_av1_packet_uninit(&pkt); + return AVERROR(ENOMEM); + } + + /* Copy OBUs without start codes */ + *dst_size = 0; + for (i = 0; i < pkt.nb_obus; i++) { + memcpy(out + *dst_size, pkt.obus[i].raw_data, pkt.obus[i].raw_size); + *dst_size += pkt.obus[i].raw_size; + } + memset(out + *dst_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); + + ff_av1_packet_uninit(&pkt); + *dst = out; + return 0; +} + static int aom_decode(AVCodecContext *avctx, AVFrame *picture, int *got_frame, AVPacket *avpkt) { AV1DecodeContext *ctx = avctx->priv_data; const void *iter = NULL; struct aom_image *img; + const uint8_t *data = avpkt->data; + int size = avpkt->size; + uint8_t *converted_data = NULL; int ret; - if (aom_codec_decode(&ctx->decoder, avpkt->data, avpkt->size, NULL) != + /* Convert MPEG-TS start code format to Section 5 if needed */ + if (ff_av1_is_startcode_format(avpkt->data, avpkt->size)) { + int converted_size; + ret = libaom_convert_startcode(avctx, avpkt->data, avpkt->size, + &converted_data, &converted_size); + if (ret < 0) + return ret; + if (converted_data) { + data = converted_data; + size = converted_size; + } + } + + if (aom_codec_decode(&ctx->decoder, data, size, NULL) != AOM_CODEC_OK) { const char *error = aom_codec_error(&ctx->decoder); const char *detail = aom_codec_error_detail(&ctx->decoder); @@ -212,9 +278,12 @@ static int aom_decode(AVCodecContext *avctx, AVFrame *picture, if (detail) av_log(avctx, AV_LOG_ERROR, " Additional information: %s\n", detail); + av_freep(&converted_data); return AVERROR_INVALIDDATA; } + av_freep(&converted_data); + if ((img = aom_codec_get_frame(&ctx->decoder, &iter))) { if (img->d_w > img->w || img->d_h > img->h) { av_log(avctx, AV_LOG_ERROR, "Display dimensions %dx%d exceed storage %dx%d\n", -- 2.49.1 From 8597bc3e63d3b7355560da4a603c7aaf8d792639 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:15:43 +0800 Subject: [PATCH 13/16] doc/bitstream_filters: add av1_tstosection5 BSF documentation Document the av1_tstosection5 bitstream filter for converting AV1 from MPEG-TS start code format to Section 5 format. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- doc/bitstream_filters.texi | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi index fb31ca7380..03a8abfc5d 100644 --- a/doc/bitstream_filters.texi +++ b/doc/bitstream_filters.texi @@ -92,6 +92,38 @@ Deletes Padding OBUs. @end table +@section av1_tstosection5 + +Convert AV1 bitstream from MPEG-TS start code format to Section 5 (low overhead) +format. + +This filter is used to convert AV1 streams from the format used in MPEG-TS +containers (with 0x000001 start codes prefixing each OBU) to the standard +Section 5 format used by most other containers and decoders. + +If the input is already in Section 5 format, this filter acts as a no-op and +passes the data through unchanged. + +This filter is automatically inserted when remuxing from MPEG-TS to containers +that require Section 5 format, such as MP4, MKV, FLV, IVF, and raw OBU files. + +@subsection Examples + +@itemize +@item +Convert an AV1 stream from MPEG-TS to MP4: +@example +ffmpeg -i input.ts -c:v copy output.mp4 +@end example +The filter is automatically inserted when needed. + +@item +Explicitly apply the filter: +@example +ffmpeg -i input.ts -bsf:v av1_tstosection5 -c:v copy output.ivf +@end example +@end itemize + @section chomp Remove zero padding at the end of a packet. -- 2.49.1 From 8e7edb18d1112cf00e1a61794a968235f6baa9f1 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:16:01 +0800 Subject: [PATCH 14/16] doc/muxers: add AV1 support documentation for mpegts muxer Document AV1 muxing support in MPEG-TS per AOM specification, including stream type, registration descriptor, and video descriptor. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- doc/muxers.texi | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/doc/muxers.texi b/doc/muxers.texi index a2e356187a..9f17bc5c42 100644 --- a/doc/muxers.texi +++ b/doc/muxers.texi @@ -3191,6 +3191,36 @@ ffmpeg -i file.mpg -c copy \ out.ts @end example +@subsection AV1 Support + +The MPEG-TS muxer supports AV1 video streams according to the AOM +"Carriage of AV1 in MPEG-2 TS" specification. + +AV1 streams are identified by stream type 0x06 (private data) and include: +@itemize +@item Registration descriptor with format identifier @samp{AV01} +@item AV1 video descriptor (descriptor tag 0x80) containing sequence parameters +@end itemize + +The muxer automatically converts AV1 from Section 5 (low overhead) format to +the start code format required by MPEG-TS, where each OBU is prefixed with +a 0x000001 start code. + +Temporal Delimiter OBUs are inserted at the beginning of each Temporal Unit +to mark the access unit boundaries. + +@subsubsection Example + +Mux an AV1 video file to MPEG-TS: +@example +ffmpeg -i input.mp4 -c:v copy -f mpegts output.ts +@end example + +Encode and mux AV1 to MPEG-TS: +@example +ffmpeg -i input.mp4 -c:v libaom-av1 -crf 30 -f mpegts output.ts +@end example + @section mxf, mxf_d10, mxf_opatom MXF muxer. -- 2.49.1 From 3a227dd7f19ba02a9c987e487b420edd07f110f4 Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:16:09 +0800 Subject: [PATCH 15/16] doc/demuxers: add AV1 support documentation for mpegts demuxer Document AV1 demuxing support in MPEG-TS, including stream type identification and av1_tstosection5 BSF usage for format conversion. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- doc/demuxers.texi | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/doc/demuxers.texi b/doc/demuxers.texi index c1dda7f1eb..93c842261d 100644 --- a/doc/demuxers.texi +++ b/doc/demuxers.texi @@ -1003,6 +1003,37 @@ Set maximum size, in bytes, of packet emitted by the demuxer. Payloads above thi are split across multiple packets. Range is 1 to INT_MAX/2. Default is 204800 bytes. @end table +@subsection AV1 Support + +The MPEG-TS demuxer supports AV1 video streams according to the AOM +"Carriage of AV1 in MPEG-2 TS" specification. + +AV1 streams are identified by: +@itemize +@item Stream type 0x06 (private data) in the PMT +@item Registration descriptor with format identifier @samp{AV01} +@end itemize + +The demuxer outputs AV1 data in the MPEG-TS start code format, where each OBU +is prefixed with a 0x000001 start code. To convert to the standard Section 5 +format used by other containers and decoders, the @code{av1_tstosection5} +bitstream filter can be used. + +When remuxing to other containers (MP4, MKV, FLV, IVF, etc.), the +@code{av1_tstosection5} filter is automatically inserted. + +The AV1 video descriptor (descriptor tag 0x80) is parsed to extract stream +parameters such as profile, level, tier, and color information. + +@subsubsection Example + +Demux and convert AV1 from MPEG-TS to MP4: +@example +ffmpeg -i input.ts -c:v copy output.mp4 +@end example + +The bitstream filter is automatically applied when needed. + @section mpjpeg MJPEG encapsulated in multi-part MIME demuxer. -- 2.49.1 From 33e1ce44bb62d0e4b8406b9ded8438376a56b51d Mon Sep 17 00:00:00 2001 From: Jun Zhao <barryjzhao(a)tencent.com> Date: Mon, 29 Dec 2025 01:16:23 +0800 Subject: [PATCH 16/16] fate: add AV1 in MPEG-TS tests Add FATE tests for AV1 muxing, demuxing, roundtrip, and BSF conversion in MPEG-TS. Signed-off-by: Jun Zhao <barryjzhao(a)tencent.com> --- tests/fate/cbs.mak | 10 ++++++++++ tests/fate/mpegts.mak | 17 ++++++++++++++++- tests/ref/fate/av1-bsf-tstosection5 | 11 +++++++++++ tests/ref/fate/mpegts-av1-mux | 10 ++++++++++ tests/ref/fate/mpegts-av1-roundtrip | 11 +++++++++++ 5 files changed, 58 insertions(+), 1 deletion(-) create mode 100644 tests/ref/fate/av1-bsf-tstosection5 create mode 100644 tests/ref/fate/mpegts-av1-mux create mode 100644 tests/ref/fate/mpegts-av1-roundtrip diff --git a/tests/fate/cbs.mak b/tests/fate/cbs.mak index d9200debc9..eda673426f 100644 --- a/tests/fate/cbs.mak +++ b/tests/fate/cbs.mak @@ -66,6 +66,16 @@ FATE_CBS_AV1-$(call FATE_CBS_DEPS, IVF, AV1, AV1, AV1, RAWVIDEO) = $(FATE_CBS_av FATE_SAMPLES_AVCONV += $(FATE_CBS_AV1-yes) fate-cbs-av1: $(FATE_CBS_AV1-yes) +# AV1 MPEG-TS to Section 5 BSF test +# This tests the av1_tstosection5 bitstream filter that converts from +# MPEG-TS start code format to Section 5 (low overhead) format. +# The test generates an MPEG-TS file from IVF, then converts back using the BSF. +FATE_AV1_BSF-$(call ALLYES, IVF_DEMUXER MPEGTS_MUXER MPEGTS_DEMUXER AV1_PARSER AV1_TSTOSECTION5_BSF IVF_MUXER) += fate-av1-bsf-tstosection5 +fate-av1-bsf-tstosection5: SRC = $(TARGET_SAMPLES)/av1-test-vectors/av1-1-b8-05-mv.ivf +fate-av1-bsf-tstosection5: CMD = transcode ivf "$(SRC)" mpegts "-c:v copy" "-c:v copy -bsf:v av1_tstosection5 -f ivf" + +FATE_SAMPLES_FFMPEG += $(FATE_AV1_BSF-yes) + # H.264 read/write FATE_CBS_H264_CONFORMANCE_SAMPLES = \ diff --git a/tests/fate/mpegts.mak b/tests/fate/mpegts.mak index eaca8ec289..e768039aed 100644 --- a/tests/fate/mpegts.mak +++ b/tests/fate/mpegts.mak @@ -22,4 +22,19 @@ fate-mpegts-probe-pmt-merge: CMD = run $(PROBE_CODEC_NAME_COMMAND) -merge_pmt_ve FATE_SAMPLES_FFPROBE += $(FATE_MPEGTS_PROBE-yes) -fate-mpegts: $(FATE_MPEGTS_PROBE-yes) +# +# Test AV1 muxing/demuxing in MPEG-TS +# +# AV1 muxing: IVF -> MPEG-TS (Section 5 to start code format) +FATE_MPEGTS_AV1-$(call REMUX, MPEGTS, IVF_DEMUXER AV1_PARSER) += fate-mpegts-av1-mux +fate-mpegts-av1-mux: SRC = $(TARGET_SAMPLES)/av1-test-vectors/av1-1-b8-05-mv.ivf +fate-mpegts-av1-mux: CMD = framecrc -i "$(SRC)" -c:v copy -f mpegts + +# AV1 roundtrip: IVF -> MPEG-TS -> IVF (tests both muxing and demuxing) +FATE_MPEGTS_AV1-$(call REMUX, IVF MPEGTS, IVF_DEMUXER MPEGTS_DEMUXER AV1_PARSER AV1_TSTOSECTION5_BSF) += fate-mpegts-av1-roundtrip +fate-mpegts-av1-roundtrip: SRC = $(TARGET_SAMPLES)/av1-test-vectors/av1-1-b8-05-mv.ivf +fate-mpegts-av1-roundtrip: CMD = transcode ivf "$(SRC)" mpegts "-c:v copy" "-c:v copy -f ivf" + +FATE_SAMPLES_FFMPEG += $(FATE_MPEGTS_AV1-yes) + +fate-mpegts: $(FATE_MPEGTS_PROBE-yes) $(FATE_MPEGTS_AV1-yes) diff --git a/tests/ref/fate/av1-bsf-tstosection5 b/tests/ref/fate/av1-bsf-tstosection5 new file mode 100644 index 0000000000..06f51b0a64 --- /dev/null +++ b/tests/ref/fate/av1-bsf-tstosection5 @@ -0,0 +1,11 @@ +db041646a729b26618465bf2acb8b053 *tests/data/fate/av1-bsf-tstosection5.mpegts +57904 tests/data/fate/av1-bsf-tstosection5.mpegts +#tb 0: 1/90000 +#media_type 0: video +#codec_id 0: av1 +#dimensions 0: 352x288 +#sar 0: 1/1 +0, 0, 0, 3000, 30833, 0xfb97b07f, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 3000, 3000, 3000, 20779, 0xd71f36d5, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 6000, 6000, 3000, 3526, 0x643de3e4, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 9000, 9000, 3000, 5, 0x01920115, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd diff --git a/tests/ref/fate/mpegts-av1-mux b/tests/ref/fate/mpegts-av1-mux new file mode 100644 index 0000000000..2d39bcf9aa --- /dev/null +++ b/tests/ref/fate/mpegts-av1-mux @@ -0,0 +1,10 @@ +#extradata 0: 13, 0x0fc303f5 +#tb 0: 1/30 +#media_type 0: video +#codec_id 0: av1 +#dimensions 0: 352x288 +#sar 0: 1/1 +0, 0, 0, 1, 30833, 0xfb97b07f +0, 1, 1, 1, 20779, 0xd71f36d5, F=0x0 +0, 2, 2, 1, 3526, 0x643de3e4, F=0x0 +0, 3, 3, 1, 5, 0x01920115, F=0x0 diff --git a/tests/ref/fate/mpegts-av1-roundtrip b/tests/ref/fate/mpegts-av1-roundtrip new file mode 100644 index 0000000000..fbd8f76996 --- /dev/null +++ b/tests/ref/fate/mpegts-av1-roundtrip @@ -0,0 +1,11 @@ +db041646a729b26618465bf2acb8b053 *tests/data/fate/mpegts-av1-roundtrip.mpegts +57904 tests/data/fate/mpegts-av1-roundtrip.mpegts +#tb 0: 1/90000 +#media_type 0: video +#codec_id 0: av1 +#dimensions 0: 352x288 +#sar 0: 1/1 +0, 0, 0, 3000, 30842, 0x714eb082, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 3000, 3000, 3000, 20788, 0x180636d8, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 6000, 6000, 3000, 3532, 0x8002e3e6, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd +0, 9000, 9000, 3000, 11, 0x01d50117, F=0x0, S=1, MPEGTS Stream ID, 1, 0x00bd00bd -- 2.49.1

5 15

[PATCH 1/3] avfilter/dnn_backend_torch: implement async execution
by Raja Rathour 10 Jan '26

10 Jan '26

Signed-off-by: Raja Rathour <imraja729(a)gmail.com> This patch implements asynchronous model execution for the LibTorch backend in FFmpeg's DNN module. Key changes: - Integrated a worker thread and a pending queue to handle inference. - Prevents the main filter thread from blocking during model execution. - Aligns LibTorch backend behavior with the existing OpenVINO async implementation. - Improves overall throughput for deep learning filters using LibTorch. The implementation has been tested with various torch models to ensure stability and correct frame synchronization. --- libavfilter/dnn/dnn_backend_torch.cpp | 115 +++++++++++++++++++++++++- 1 file changed, 111 insertions(+), 4 deletions(-) diff --git a/libavfilter/dnn/dnn_backend_torch.cpp b/libavfilter/dnn/dnn_backend_torch.cpp index 2e4326d9d4..ad81aff8da 100644 --- a/libavfilter/dnn/dnn_backend_torch.cpp +++ b/libavfilter/dnn/dnn_backend_torch.cpp @@ -25,6 +25,10 @@ #include <torch/torch.h> #include <torch/script.h> +#include <thread> +#include <mutex> +#include <condition_variable> +#include <atomic> extern "C" { #include "dnn_io_proc.h" @@ -39,9 +43,16 @@ typedef struct THModel { DNNModel model; DnnContext *ctx; torch::jit::Module *jit_model; - SafeQueue *request_queue; + SafeQueue *request_queue; // Holds available/idle request slots Queue *task_queue; Queue *lltask_queue; + + // --- Async Support --- + SafeQueue *pending_queue; // Holds requests waiting for inference + std::thread *worker_thread; // The background worker + std::mutex *mutex; // Protects the condition variable + std::condition_variable *cond; // Wakes up worker when new task arrives + std::atomic<bool> worker_stop; // Flag to stop the thread } THModel; typedef struct THInferRequest { @@ -119,6 +130,32 @@ static void dnn_free_model_th(DNNModel **model) return; th_model = (THModel *) (*model); + + // --- Stop and Join Worker Thread --- + if (th_model->worker_thread) { + { + std::lock_guard<std::mutex> lock(*th_model->mutex); + th_model->worker_stop = true; + } + th_model->cond->notify_all(); + + if (th_model->worker_thread->joinable()) { + th_model->worker_thread->join(); + } + delete th_model->worker_thread; + delete th_model->mutex; + delete th_model->cond; + } + + if (th_model->pending_queue) { + // Clear remaining items (if any) + while (ff_safe_queue_size(th_model->pending_queue) != 0) { + ff_safe_queue_pop_front(th_model->pending_queue); + } + ff_safe_queue_destroy(th_model->pending_queue); + } + // ----------------------------------- + while (ff_safe_queue_size(th_model->request_queue) != 0) { THRequestItem *item = (THRequestItem *)ff_safe_queue_pop_front(th_model->request_queue); destroy_request_item(&item); @@ -318,6 +355,41 @@ err: } } +// --- Worker Thread Function --- +static void th_worker_thread(THModel *th_model) { + while (true) { + THRequestItem *request = NULL; + + { + // Acquire lock to check condition + std::unique_lock<std::mutex> lock(*th_model->mutex); + + // Wait until: We are told to stop OR there is work in the queue + th_model->cond->wait(lock, [&]{ + return th_model->worker_stop || ff_safe_queue_size(th_model->pending_queue) > 0; + }); + + // If stopped and no work left, exit + if (th_model->worker_stop && ff_safe_queue_size(th_model->pending_queue) == 0) { + break; + } + + // Get work + request = (THRequestItem *)ff_safe_queue_pop_front(th_model->pending_queue); + } + + // Process work (Lock released so we don't block submission) + if (request) { + int ret = th_start_inference(request); + if (ret != 0) { + av_log(th_model->ctx, AV_LOG_ERROR, "Async inference failed\n"); + } + // Always callback to clean up and notify FFmpeg + infer_completion_callback(request); + } + } +} + static int execute_model_th(THRequestItem *request, Queue *lltask_queue) { THModel *th_model = NULL; @@ -343,9 +415,24 @@ static int execute_model_th(THRequestItem *request, Queue *lltask_queue) if ( ret != 0) { goto err; } + + // --- EXECUTION LOGIC (ASYNC vs SYNC) --- if (task->async) { - avpriv_report_missing_feature(th_model->ctx, "LibTorch async"); + // 1. Acquire lock + std::lock_guard<std::mutex> lock(*th_model->mutex); + + // 2. Push to pending queue + if (ff_safe_queue_push_back(th_model->pending_queue, request) < 0) { + return AVERROR(ENOMEM); + } + + // 3. Wake up worker + th_model->cond->notify_one(); + + // 4. Return immediately (Success) + return 0; } else { + // Synchronous fallback ret = th_start_inference((void *)(request)); if (ret != 0) { goto err; @@ -484,6 +571,25 @@ static DNNModel *dnn_load_model_th(DnnContext *ctx, DNNFunctionType func_type, A goto fail; } + // --- INITIALIZE ASYNC QUEUE AND THREAD --- + th_model->pending_queue = ff_safe_queue_create(); + if (!th_model->pending_queue) { + av_log(ctx, AV_LOG_ERROR, "Failed to create pending queue\n"); + goto fail; + } + + try { + th_model->mutex = new std::mutex(); + th_model->cond = new std::condition_variable(); + th_model->worker_stop = false; + + // Start worker thread + th_model->worker_thread = new std::thread(th_worker_thread, th_model); + } catch (...) { + av_log(ctx, AV_LOG_ERROR, "Failed to initialize worker thread or mutexes\n"); + goto fail; + } + model->get_input = &get_input_th; model->get_output = &get_output_th; model->filter_ctx = filter_ctx; @@ -519,7 +625,8 @@ static int dnn_execute_model_th(const DNNModel *model, DNNExecBaseParams *exec_p return AVERROR(ENOMEM); } - ret = ff_dnn_fill_task(task, exec_params, th_model, 0, 1); + // Set 'async' flag based on context (ctx->async) instead of hardcoded 0 + ret = ff_dnn_fill_task(task, exec_params, th_model, ctx->async, 1); if (ret != 0) { av_freep(&task); av_log(ctx, AV_LOG_ERROR, "unable to fill task.\n"); @@ -580,4 +687,4 @@ extern const DNNModule ff_dnn_backend_torch = { .get_result = dnn_get_result_th, .flush = dnn_flush_th, .free_model = dnn_free_model_th, -}; +}; \ No newline at end of file -- 2.48.1

2 6

[PATCH v4] avfilter/vf_blackframe: add slice threading
by Raja Rathour 07 Jan '26

07 Jan '26

--- libavfilter/vf_blackframe.c | 80 ++++++++++++++++++++++++++++++++----- 1 file changed, 71 insertions(+), 9 deletions(-) diff --git a/libavfilter/vf_blackframe.c b/libavfilter/vf_blackframe.c index f0aa53e133..f09d564bf7 100644 --- a/libavfilter/vf_blackframe.c +++ b/libavfilter/vf_blackframe.c @@ -32,6 +32,7 @@ #include "libavutil/internal.h" #include "libavutil/opt.h" +#include "libavutil/mem.h" #include "avfilter.h" #include "filters.h" #include "video.h" @@ -45,6 +46,14 @@ typedef struct BlackFrameContext { unsigned int last_keyframe; ///< frame number of the last received key-frame } BlackFrameContext; +typedef struct ThreadData { + const uint8_t *data; // Pointer to the image data + int linesize; // How wide is the memory line + int bthresh; // The black threshold + int width; // Image width + unsigned int *counts; // POINTER to the array where threads write results +} ThreadData; + static const enum AVPixelFormat pix_fmts[] = { AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_GRAY8, AV_PIX_FMT_NV12, AV_PIX_FMT_NV21, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P, @@ -55,22 +64,72 @@ static const enum AVPixelFormat pix_fmts[] = { snprintf(buf, sizeof(buf), format, value); \ av_dict_set(metadata, key, buf, 0) +static int blackframe_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) +{ + ThreadData *td = arg; + // --- C90 HARD FIX: ALL DECLARATIONS AT THE VERY TOP --- + int slice_start, slice_end, x, y; + const uint8_t *p; + unsigned int local_nblack = 0; + // ------------------------------------------------------ + + // Safety check + if (!td || !td->data || !td->counts) return 0; + + slice_start = (ctx->inputs[0]->h * jobnr) / nb_jobs; + slice_end = (ctx->inputs[0]->h * (jobnr+1)) / nb_jobs; + + p = td->data + slice_start * td->linesize; + + for (y = slice_start; y < slice_end; y++) { + for (x = 0; x < td->width; x++) + local_nblack += p[x] < td->bthresh; + p += td->linesize; + } + + // Save my private count + td->counts[jobnr] = local_nblack; + return 0; +} + static int filter_frame(AVFilterLink *inlink, AVFrame *frame) { AVFilterContext *ctx = inlink->dst; BlackFrameContext *s = ctx->priv; - int x, i; + // --- C90 HARD FIX: ALL DECLARATIONS AT THE VERY TOP --- int pblack = 0; - uint8_t *p = frame->data[0]; AVDictionary **metadata; char buf[32]; - - for (i = 0; i < frame->height; i++) { - for (x = 0; x < inlink->w; x++) - s->nblack += p[x] < s->bthresh; - p += frame->linesize[0]; + ThreadData td; + int nb_threads; + unsigned int *thread_counts; + int nb_jobs; + int i; // <--- This was the MSVC killer. Moved to top. + // ------------------------------------------------------ + + nb_threads = ff_filter_get_nb_threads(ctx); + + thread_counts = av_calloc(nb_threads, sizeof(*thread_counts)); + if (!thread_counts) { + av_log(ctx, AV_LOG_ERROR, "Failed to allocate thread_counts\n"); + return AVERROR(ENOMEM); } + td.data = frame->data[0]; + td.linesize = frame->linesize[0]; + td.width = inlink->w; + td.bthresh = s->bthresh; + td.counts = thread_counts; + + nb_jobs = FFMIN(frame->height, nb_threads); + + ff_filter_execute(ctx, blackframe_slice, &td, NULL, nb_jobs); + + s->nblack = 0; + for (i = 0; i < nb_jobs; i++) { + s->nblack += thread_counts[i]; + } + if (frame->flags & AV_FRAME_FLAG_KEY) s->last_keyframe = s->frame; @@ -89,6 +148,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame) s->frame++; s->nblack = 0; + + av_free(thread_counts); + return ff_filter_frame(inlink->dst->outputs[0], frame); } @@ -118,9 +180,9 @@ const FFFilter ff_vf_blackframe = { .p.name = "blackframe", .p.description = NULL_IF_CONFIG_SMALL("Detect frames that are (almost) black."), .p.priv_class = &blackframe_class, - .p.flags = AVFILTER_FLAG_METADATA_ONLY, + .p.flags = AVFILTER_FLAG_METADATA_ONLY | AVFILTER_FLAG_SLICE_THREADS, .priv_size = sizeof(BlackFrameContext), FILTER_INPUTS(avfilter_vf_blackframe_inputs), FILTER_OUTPUTS(ff_video_default_filterpad), FILTER_PIXFMTS_ARRAY(pix_fmts), -}; +}; \ No newline at end of file -- 2.48.1

3 9

[PATCH] avformat/mov: fix sidx timestamp handling, use PTS instead of DTS
by Vivek Jain 05 Jan '26

05 Jan '26

The 'sidx' earliest_presentation_time field is defined as PTS. Previously, it was incorrectly assigned to DTS, which could cause sync issues. This commit fixes the assignment to PTS as noted in the existing FIXME comment. --- libavformat/mov.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index 009ddfec80..f651d0387b 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5892,9 +5892,9 @@ static int mov_read_trun(MOVContext *c, AVIOContext *pb, MOVAtom atom) } else if (has_sidx && !c->use_tfdt || fallback_sidx) { // FIXME: sidx earliest_presentation_time is *PTS*, s.b. // pts = frag_stream_info->sidx_pts; - dts = frag_stream_info->sidx_pts; + pts = frag_stream_info->sidx_pts; // <--- FIXED av_log(c->fc, AV_LOG_DEBUG, "found sidx time %"PRId64 - ", using it for dts\n", frag_stream_info->sidx_pts); + ", using it for pts\n", frag_stream_info->sidx_pts); // Update log message too if you like, but logically just changing to pts is the key. } else { dts = sc->track_end - sc->time_offset; av_log(c->fc, AV_LOG_DEBUG, "found track end time %"PRId64 -- 2.49.0.windows.1 -- Disclaimer This email is governed by the Disclaimer Terms of somaiya.edu <http://somaiya.edu> which may be viewed at https://www.somaiya.edu/en/email-disclaimer <https://www.somaiya.edu/en/email-disclaimer> Finally, please do not print this email unless it is necessary. Every unprinted email helps the environment.

2 1

[PATCH] swscale/output: Fix unsigned cast position in yuv2* (PR #20698)
by michaelni 03 Jan '26

03 Jan '26

PR #20698 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20698 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20698.patch From 93794583405909cfe8e7abffdd84c2454959ff18 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <michael(a)niedermayer.cc> Date: Mon, 13 Oct 2025 14:32:45 +0200 Subject: [PATCH 1/2] swscale/output: Fix integer overflow in yuv2ya16_X_c_template() Found-by: colod colod <colodcolod7(a)gmail.com> Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> --- libswscale/output.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libswscale/output.c b/libswscale/output.c index b873276c00..cb6630bd73 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -1028,7 +1028,7 @@ yuv2ya16_X_c_template(SwsInternal *c, const int16_t *lumFilter, int A = 0xffff; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; Y >>= 15; Y += (1<<3) + 0x8000; @@ -1037,7 +1037,7 @@ yuv2ya16_X_c_template(SwsInternal *c, const int16_t *lumFilter, if (hasAlpha) { A = -0x40000000 + (1<<14); for (j = 0; j < lumFilterSize; j++) - A += (unsigned)(alpSrc[j][i] * lumFilter[j]); + A += alpSrc[j][i] * (unsigned)lumFilter[j]; A >>= 15; A += 0x8000; -- 2.49.1 From 9d0761453e5ecaa1344d63e2fcc9bd3cc6d4d0f6 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <michael(a)niedermayer.cc> Date: Mon, 13 Oct 2025 14:46:16 +0200 Subject: [PATCH 2/2] swscale/output: Fix unsigned cast position in yuv2* Fixes: signed overflow Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> --- libswscale/output.c | 90 ++++++++++++++++++++++----------------------- 1 file changed, 45 insertions(+), 45 deletions(-) diff --git a/libswscale/output.c b/libswscale/output.c index cb6630bd73..877db04f36 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -503,8 +503,8 @@ static void yuv2nv12cX_c(enum AVPixelFormat dstFormat, const uint8_t *chrDither, int v = chrDither[(i + 3) & 7] << 12; int j; for (j=0; j<chrFilterSize; j++) { - u += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - v += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + u += chrUSrc[j][i] * (unsigned)chrFilter[j]; + v += chrVSrc[j][i] * (unsigned)chrFilter[j]; } dest[2*i]= av_clip_uint8(u>>19); @@ -516,8 +516,8 @@ static void yuv2nv12cX_c(enum AVPixelFormat dstFormat, const uint8_t *chrDither, int v = chrDither[(i + 3) & 7] << 12; int j; for (j=0; j<chrFilterSize; j++) { - u += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - v += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + u += chrUSrc[j][i] * (unsigned)chrFilter[j]; + v += chrVSrc[j][i] * (unsigned)chrFilter[j]; } dest[2*i]= av_clip_uint8(v>>19); @@ -577,8 +577,8 @@ static void yuv2p01xcX_c(int big_endian, const uint8_t *chrDither, int v = 1 << (shift - 1); for (j = 0; j < chrFilterSize; j++) { - u += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - v += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + u += chrUSrc[j][i] * (unsigned)chrFilter[j]; + v += chrVSrc[j][i] * (unsigned)chrFilter[j]; } output_pixel(&dest[2*i] , u); @@ -678,8 +678,8 @@ yuv2mono_X_c_template(SwsInternal *c, const int16_t *lumFilter, int Y2 = 1 << 18; for (j = 0; j < lumFilterSize; j++) { - Y1 += (unsigned)(lumSrc[j][i] * lumFilter[j]); - Y2 += (unsigned)(lumSrc[j][i+1] * lumFilter[j]); + Y1 += lumSrc[j][i] * (unsigned)lumFilter[j]; + Y2 += lumSrc[j][i+1] * (unsigned)lumFilter[j]; } Y1 >>= 19; Y2 >>= 19; @@ -896,12 +896,12 @@ yuv2422_X_c_template(SwsInternal *c, const int16_t *lumFilter, int V = 1 << 18; for (j = 0; j < lumFilterSize; j++) { - Y1 += (unsigned)(lumSrc[j][i * 2] * lumFilter[j]); - Y2 += (unsigned)(lumSrc[j][i * 2 + 1] * lumFilter[j]); + Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j]; + Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } Y1 >>= 19; Y2 >>= 19; @@ -1802,12 +1802,12 @@ yuv2rgb_X_c_template(SwsInternal *c, const int16_t *lumFilter, const void *r, *g, *b; for (j = 0; j < lumFilterSize; j++) { - Y1 += (unsigned)(lumSrc[j][i * 2] * lumFilter[j]); - Y2 += (unsigned)(lumSrc[j][i * 2 + 1] * lumFilter[j]); + Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j]; + Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } Y1 >>= 19; Y2 >>= 19; @@ -1817,8 +1817,8 @@ yuv2rgb_X_c_template(SwsInternal *c, const int16_t *lumFilter, A1 = 1 << 18; A2 = 1 << 18; for (j = 0; j < lumFilterSize; j++) { - A1 += (unsigned)(alpSrc[j][i * 2 ] * lumFilter[j]); - A2 += (unsigned)(alpSrc[j][i * 2 + 1] * lumFilter[j]); + A1 += alpSrc[j][i * 2 ] * (unsigned)lumFilter[j]; + A2 += alpSrc[j][i * 2 + 1] * (unsigned)lumFilter[j]; } A1 >>= 19; A2 >>= 19; @@ -2179,11 +2179,11 @@ yuv2rgb_full_X_c_template(SwsInternal *c, const int16_t *lumFilter, int V = (1<<9)-(128 << 19); for (j = 0; j < lumFilterSize; j++) { - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; } for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } Y >>= 10; U >>= 10; @@ -2191,7 +2191,7 @@ yuv2rgb_full_X_c_template(SwsInternal *c, const int16_t *lumFilter, if (hasAlpha) { A = 1 << 18; for (j = 0; j < lumFilterSize; j++) { - A += (unsigned)(alpSrc[j][i] * lumFilter[j]); + A += alpSrc[j][i] * (unsigned)lumFilter[j]; } A >>= 19; if (A & 0x100) @@ -2360,11 +2360,11 @@ yuv2gbrp_full_X_c(SwsInternal *c, const int16_t *lumFilter, int R, G, B; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } Y >>= 10; @@ -2375,7 +2375,7 @@ yuv2gbrp_full_X_c(SwsInternal *c, const int16_t *lumFilter, A = 1 << 18; for (j = 0; j < lumFilterSize; j++) - A += (unsigned)(alpSrc[j][i] * lumFilter[j]); + A += alpSrc[j][i] * (unsigned)lumFilter[j]; if (A & 0xF8000000) A = av_clip_uintp2(A, 27); @@ -2679,7 +2679,7 @@ yuv2ya8_X_c(SwsInternal *c, const int16_t *lumFilter, int Y = 1 << 18, A = 1 << 18; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; Y >>= 19; if (Y & 0x100) @@ -2687,7 +2687,7 @@ yuv2ya8_X_c(SwsInternal *c, const int16_t *lumFilter, if (hasAlpha) { for (j = 0; j < lumFilterSize; j++) - A += (unsigned)(alpSrc[j][i] * lumFilter[j]); + A += alpSrc[j][i] * (unsigned)lumFilter[j]; A >>= 19; @@ -2793,11 +2793,11 @@ yuv2v30_X_c_template(SwsInternal *c, const int16_t *lumFilter, int j; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } Y = av_clip_uintp2(Y >> 17, 10); @@ -2847,11 +2847,11 @@ yuv2xv36_X_c(SwsInternal *c, const int16_t *lumFilter, int j; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; for (j = 0; j < chrFilterSize; j++) { - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; } output_pixels(dest + 8 * i + 2, Y, 15, 12, 4) @@ -3011,13 +3011,13 @@ yuv2ayuv_X_c_template(SwsInternal *c, const int16_t *lumFilter, int V = 1 << 18, A = 255; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; for (j = 0; j < chrFilterSize; j++) - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; for (j = 0; j < chrFilterSize; j++) - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; Y >>= 19; U >>= 19; @@ -3034,7 +3034,7 @@ yuv2ayuv_X_c_template(SwsInternal *c, const int16_t *lumFilter, A = 1 << 18; for (j = 0; j < lumFilterSize; j++) - A += (unsigned)(alpSrc[j][i] * lumFilter[j]); + A += alpSrc[j][i] * (unsigned)lumFilter[j]; A >>= 19; @@ -3105,13 +3105,13 @@ AYUVPACKEDWRAPPER(uyva, AV_PIX_FMT_UYVA) int U = 1 << (shift - 1), V = 1 << (shift - 1); \ \ for (j = 0; j < lumFilterSize; j++) { \ - Y1 += (unsigned)(lumSrc[j][i * 2] * lumFilter[j]); \ - Y2 += (unsigned)(lumSrc[j][i * 2 + 1] * lumFilter[j]); \ + Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j]; \ + Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j]; \ } \ \ for (j = 0; j < chrFilterSize; j++) { \ - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); \ - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); \ + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; \ + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; \ } \ \ output_pixel(dest + 8 * i + 0, Y1, bits); \ @@ -3259,13 +3259,13 @@ yuv2vyu444_X_c(SwsInternal *c, const int16_t *lumFilter, int V = 1 << 18; for (j = 0; j < lumFilterSize; j++) - Y += (unsigned)(lumSrc[j][i] * lumFilter[j]); + Y += lumSrc[j][i] * (unsigned)lumFilter[j]; for (j = 0; j < chrFilterSize; j++) - U += (unsigned)(chrUSrc[j][i] * chrFilter[j]); + U += chrUSrc[j][i] * (unsigned)chrFilter[j]; for (j = 0; j < chrFilterSize; j++) - V += (unsigned)(chrVSrc[j][i] * chrFilter[j]); + V += chrVSrc[j][i] * (unsigned)chrFilter[j]; Y >>= 19; U >>= 19; -- 2.49.1

3 3

[PATCH] avformat/wavenc: use RF64 when needed
by Jason A. Donenfeld 03 Jan '26

03 Jan '26

Currently if you encode a large wav, ffmpeg will hint after the fact that the resultant file is corrupted, because traditional wav cannot handle lengths greater than 32-bits. This isn't very useful; nobody benefits from getting garbage files. You can manually work around this by adding `-rf64 always`, which most players have support for. Most people don't remember to do this until after the fact when their file is corrupted, or they don't figure it out at all and wind up using the w64 container instead. And so that's what `-rf64 auto` is for. It uses the larger format when needed, and if not, uses the traditional wav that is probably more compatible. The result of using `-rf64 auto` is that you can add it to every command line -- and should add it to every command line -- to get either a normal small file, or a non-corrupt large file. This is a very sensible default to have on, rather than just producing corrupt files and having users scrambling for solutions, and then having to do a potentially expensive reencode after. With `-rf64 auto` on by default, the user always gets a readable good file. And for users who sometimes want corrupt files, there still exists `-rf64 never` that can be enabled. --- libavformat/wavenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/wavenc.c b/libavformat/wavenc.c index a515f4e2a2..835a2157bc 100644 --- a/libavformat/wavenc.c +++ b/libavformat/wavenc.c @@ -487,7 +487,7 @@ static const AVOption options[] = { { "off", "Do not write peak chunk.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_OFF }, 0, 0, ENC, .unit = "peak" }, { "on", "Append peak chunk after wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ON }, 0, 0, ENC, .unit = "peak" }, { "only", "Write only peak chunk, omit wav data.", 0, AV_OPT_TYPE_CONST, { .i64 = PEAK_ONLY }, 0, 0, ENC, .unit = "peak" }, - { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64), AV_OPT_TYPE_INT, { .i64 = RF64_NEVER },-1, 1, ENC, .unit = "rf64" }, + { "rf64", "Use RF64 header rather than RIFF for large files.", OFFSET(rf64), AV_OPT_TYPE_INT, { .i64 = RF64_AUTO },-1, 1, ENC, .unit = "rf64" }, { "auto", "Write RF64 header if file grows large enough.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_AUTO }, 0, 0, ENC, .unit = "rf64" }, { "always", "Always write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_ALWAYS }, 0, 0, ENC, .unit = "rf64" }, { "never", "Never write RF64 header regardless of file size.", 0, AV_OPT_TYPE_CONST, { .i64 = RF64_NEVER }, 0, 0, ENC, .unit = "rf64" }, -- 2.52.0

3 6

[PR] avcodec/exr: enforce maximum channel limit to avoid excessive memory allocations (PR #21347)
by Timo Rothenpieler 31 Dec '25

31 Dec '25

PR #21347 opened by Timo Rothenpieler (BtbN) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21347 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21347.patch A specially crafted file could define an unlimited number of channels, leading to ever-growing memory allocations and even overflows in the size calculation. Also fixes the not properly checked allocation via av_realloc. Fixes #YWH-PGM40646-33 From 025e88a32c87eaf3e6f912ed51521d020a9a85b2 Mon Sep 17 00:00:00 2001 From: Timo Rothenpieler <timo(a)rothenpieler.org> Date: Wed, 31 Dec 2025 22:02:34 +0100 Subject: [PATCH 1/2] avcodec/exr: only assign result of av_realloc on allocation success --- libavcodec/exr.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 536a55c5be..8b9fe4b3fc 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -1603,6 +1603,7 @@ static int decode_header(EXRContext *s, AVFrame *frame) int layer_match = 0; int ret; int dup_channels = 0; + void *tmp; s->current_channel_offset = 0; s->xmin = ~0; @@ -1807,12 +1808,13 @@ static int decode_header(EXRContext *s, AVFrame *frame) } } - s->channels = av_realloc(s->channels, - ++s->nb_channels * sizeof(EXRChannel)); - if (!s->channels) { + tmp = av_realloc(s->channels, ++s->nb_channels * sizeof(EXRChannel)); + if (!tmp) { ret = AVERROR(ENOMEM); goto fail; } + s->channels = tmp; + channel = &s->channels[s->nb_channels - 1]; channel->pixel_type = current_pixel_type; channel->xsub = xsub; -- 2.49.1 From c97c5fa2f3598c14858ec6fb357537ae4fe1c36b Mon Sep 17 00:00:00 2001 From: Timo Rothenpieler <timo(a)rothenpieler.org> Date: Wed, 31 Dec 2025 22:02:52 +0100 Subject: [PATCH 2/2] avcodec/exr: enforce maximum channel limit to avoid excessive memory allocations A specially crafted file could define an unlimited number of channels, leading to ever growing memory allocations and even overflows in the size calculation. Fixes #YWH-PGM40646-33 --- libavcodec/exr.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavcodec/exr.c b/libavcodec/exr.c index 8b9fe4b3fc..10078b462f 100644 --- a/libavcodec/exr.c +++ b/libavcodec/exr.c @@ -59,6 +59,8 @@ #include "mathops.h" #include "thread.h" +#define MAX_CHANNELS 1024 + enum ExrCompr { EXR_RAW, EXR_RLE, @@ -1808,6 +1810,12 @@ static int decode_header(EXRContext *s, AVFrame *frame) } } + if (s->nb_channels >= MAX_CHANNELS) { + av_log(s->avctx, AV_LOG_ERROR, "Number of channels exceeds supported maximum of %d.\n", MAX_CHANNELS); + ret = AVERROR_INVALIDDATA; + goto fail; + } + tmp = av_realloc(s->channels, ++s->nb_channels * sizeof(EXRChannel)); if (!tmp) { ret = AVERROR(ENOMEM); -- 2.49.1

1 0

[PR] fftools/ffmpeg_filter: Simplify median3() (PR #21346)
by michaelni 31 Dec '25

31 Dec '25

PR #21346 opened by michaelni URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21346 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21346.patch Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> From 334bc7276c0a3bca4b0959e4c096ac1f6ce1acbe Mon Sep 17 00:00:00 2001 From: Michael Niedermayer <michael(a)niedermayer.cc> Date: Wed, 31 Dec 2025 21:34:26 +0100 Subject: [PATCH] fftools/ffmpeg_filter: Simplify median3() Signed-off-by: Michael Niedermayer <michael(a)niedermayer.cc> --- fftools/ffmpeg_filter.c | 13 +------------ 1 file changed, 1 insertion(+), 12 deletions(-) diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c index 4387c992da..1ed9681ad2 100644 --- a/fftools/ffmpeg_filter.c +++ b/fftools/ffmpeg_filter.c @@ -2488,18 +2488,7 @@ early_exit: static int64_t median3(int64_t a, int64_t b, int64_t c) { - int64_t max2, min2, m; - - if (a >= b) { - max2 = a; - min2 = b; - } else { - max2 = b; - min2 = a; - } - m = (c >= max2) ? max2 : c; - - return (m >= min2) ? m : min2; + return a + (uint64_t)b + c - FFMIN3(a,b,c) - FFMAX3(a,b,c); } -- 2.49.1

1 0

[PR] aarch64/hpeldsp_neon: fix overread (PR #21345)
by Zhao Zhili 31 Dec '25

31 Dec '25

PR #21345 opened by Zhao Zhili (quink) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21345 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/21345.patch Fix #21141 The performance improved a little bit. On A76: Before After put_pixels_tab[0][1]_neon: 32.4 ( 3.91x) 31.6 ( 3.99x) put_pixels_tab[0][3]_neon: 88.0 ( 4.50x) 74.6 ( 5.31x) put_pixels_tab[1][1]_neon: 33.5 ( 2.52x) 31.2 ( 2.71x) put_pixels_tab[1][3]_neon: 30.5 ( 3.61x) 21.7 ( 5.08x) On A55: Before After put_pixels_tab[0][1]_neon: 175.2 ( 2.41x) 138.7 ( 3.04x) put_pixels_tab[0][3]_neon: 334.3 ( 2.71x) 296.1 ( 3.07x) put_pixels_tab[1][1]_neon: 168.3 ( 1.78x) 94.1 ( 3.19x) put_pixels_tab[1][3]_neon: 112.3 ( 2.20x) 90.0 ( 2.74x) From 1d4f113c75befc460ce02ee9898705c8a4fcf882 Mon Sep 17 00:00:00 2001 From: Zhao Zhili <zhilizhao(a)tencent.com> Date: Thu, 1 Jan 2026 00:52:44 +0800 Subject: [PATCH] aarch64/hpeldsp_neon: fix overread Fix #21141 The performance improved a little bit. On A76: Before After put_pixels_tab[0][1]_neon: 32.4 ( 3.91x) 31.6 ( 3.99x) put_pixels_tab[0][3]_neon: 88.0 ( 4.50x) 74.6 ( 5.31x) put_pixels_tab[1][1]_neon: 33.5 ( 2.52x) 31.2 ( 2.71x) put_pixels_tab[1][3]_neon: 30.5 ( 3.61x) 21.7 ( 5.08x) On A55: Before After put_pixels_tab[0][1]_neon: 175.2 ( 2.41x) 138.7 ( 3.04x) put_pixels_tab[0][3]_neon: 334.3 ( 2.71x) 296.1 ( 3.07x) put_pixels_tab[1][1]_neon: 168.3 ( 1.78x) 94.1 ( 3.19x) put_pixels_tab[1][3]_neon: 112.3 ( 2.20x) 90.0 ( 2.74x) --- libavcodec/aarch64/hpeldsp_neon.S | 58 ++++++++++++++++--------------- 1 file changed, 30 insertions(+), 28 deletions(-) diff --git a/libavcodec/aarch64/hpeldsp_neon.S b/libavcodec/aarch64/hpeldsp_neon.S index e7c1549c40..fd2c2c98c4 100644 --- a/libavcodec/aarch64/hpeldsp_neon.S +++ b/libavcodec/aarch64/hpeldsp_neon.S @@ -50,12 +50,13 @@ .endm .macro pixels16_x2 rnd=1, avg=0 -1: ld1 {v0.16b, v1.16b}, [x1], x2 - ld1 {v2.16b, v3.16b}, [x1], x2 +1: + ldur q1, [x1, #1] + ld1 {v0.16b}, [x1], x2 subs w3, w3, #2 - ext v1.16b, v0.16b, v1.16b, #1 + ldur q3, [x1, #1] + ld1 {v2.16b}, [x1], x2 avg v0.16b, v0.16b, v1.16b - ext v3.16b, v2.16b, v3.16b, #1 avg v2.16b, v2.16b, v3.16b .if \avg ld1 {v1.16b}, [x0], x2 @@ -108,20 +109,20 @@ .macro pixels16_xy2 rnd=1, avg=0 sub w3, w3, #2 - ld1 {v0.16b, v1.16b}, [x1], x2 - ld1 {v4.16b, v5.16b}, [x1], x2 + ldur q1, [x1, #1] + ld1 {v0.16b}, [x1], x2 NRND movi v26.8H, #1 - ext v1.16b, v0.16b, v1.16b, #1 - ext v5.16b, v4.16b, v5.16b, #1 + ldur q5, [x1, #1] + ld1 {v4.16b}, [x1], x2 uaddl v16.8h, v0.8b, v1.8b uaddl2 v20.8h, v0.16b, v1.16b uaddl v18.8h, v4.8b, v5.8b uaddl2 v22.8h, v4.16b, v5.16b 1: subs w3, w3, #2 - ld1 {v0.16b, v1.16b}, [x1], x2 + ldur q30, [x1, #1] + ld1 {v0.16b}, [x1], x2 add v24.8h, v16.8h, v18.8h NRND add v24.8H, v24.8H, v26.8H - ext v30.16b, v0.16b, v1.16b, #1 add v1.8h, v20.8h, v22.8h mshrn v28.8b, v24.8h, #2 NRND add v1.8H, v1.8H, v26.8H @@ -131,12 +132,12 @@ NRND add v1.8H, v1.8H, v26.8H urhadd v28.16b, v28.16b, v16.16b .endif uaddl v16.8h, v0.8b, v30.8b - ld1 {v2.16b, v3.16b}, [x1], x2 + ldur q3, [x1, #1] + ld1 {v2.16b}, [x1], x2 uaddl2 v20.8h, v0.16b, v30.16b st1 {v28.16b}, [x0], x2 add v24.8h, v16.8h, v18.8h NRND add v24.8H, v24.8H, v26.8H - ext v3.16b, v2.16b, v3.16b, #1 add v0.8h, v20.8h, v22.8h mshrn v30.8b, v24.8h, #2 NRND add v0.8H, v0.8H, v26.8H @@ -150,10 +151,10 @@ NRND add v0.8H, v0.8H, v26.8H st1 {v30.16b}, [x0], x2 b.gt 1b - ld1 {v0.16b, v1.16b}, [x1], x2 + ldur q30, [x1, #1] + ld1 {v0.16b}, [x1], x2 add v24.8h, v16.8h, v18.8h NRND add v24.8H, v24.8H, v26.8H - ext v30.16b, v0.16b, v1.16b, #1 add v1.8h, v20.8h, v22.8h mshrn v28.8b, v24.8h, #2 NRND add v1.8H, v1.8H, v26.8H @@ -206,10 +207,11 @@ NRND add v0.8H, v0.8H, v26.8H .endm .macro pixels8_x2 rnd=1, avg=0 -1: ld1 {v0.8b, v1.8b}, [x1], x2 - ext v1.8b, v0.8b, v1.8b, #1 - ld1 {v2.8b, v3.8b}, [x1], x2 - ext v3.8b, v2.8b, v3.8b, #1 +1: + ldur d1, [x1, #1] + ld1 {v0.8b}, [x1], x2 + ldur d3, [x1, #1] + ld1 {v2.8b}, [x1], x2 subs w3, w3, #2 avg v0.8b, v0.8b, v1.8b avg v2.8b, v2.8b, v3.8b @@ -263,22 +265,23 @@ NRND add v0.8H, v0.8H, v26.8H .endm .macro pixels8_xy2 rnd=1, avg=0 + ldur d4, [x1, #1] sub w3, w3, #2 - ld1 {v0.16b}, [x1], x2 - ld1 {v1.16b}, [x1], x2 + ld1 {v0.8b}, [x1], x2 NRND movi v19.8H, #1 - ext v4.16b, v0.16b, v4.16b, #1 - ext v6.16b, v1.16b, v6.16b, #1 + ldur d6, [x1, #1] + ld1 {v1.8b}, [x1], x2 uaddl v16.8h, v0.8b, v4.8b uaddl v17.8h, v1.8b, v6.8b 1: subs w3, w3, #2 - ld1 {v0.16b}, [x1], x2 + ldur d4, [x1, #1] + ld1 {v0.8b}, [x1], x2 add v18.8h, v16.8h, v17.8h - ext v4.16b, v0.16b, v4.16b, #1 NRND add v18.8H, v18.8H, v19.8H uaddl v16.8h, v0.8b, v4.8b mshrn v5.8b, v18.8h, #2 - ld1 {v1.16b}, [x1], x2 + ldur d6, [x1, #1] + ld1 {v1.8b}, [x1], x2 add v18.8h, v16.8h, v17.8h .if \avg ld1 {v7.8b}, [x0] @@ -291,14 +294,13 @@ NRND add v18.8H, v18.8H, v19.8H ld1 {v5.8b}, [x0] urhadd v7.8b, v7.8b, v5.8b .endif - ext v6.16b, v1.16b, v6.16b, #1 uaddl v17.8h, v1.8b, v6.8b st1 {v7.8b}, [x0], x2 b.gt 1b - ld1 {v0.16b}, [x1], x2 + ldur d4, [x1, #1] + ld1 {v0.8b}, [x1], x2 add v18.8h, v16.8h, v17.8h - ext v4.16b, v0.16b, v4.16b, #1 NRND add v18.8H, v18.8H, v19.8H uaddl v16.8h, v0.8b, v4.8b mshrn v5.8b, v18.8h, #2 -- 2.49.1

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