May 2024 - FFmpeg-trac - lists.ffmpeg.org

#10668(avcodec:new): cuvid regression creates jerky output
by FFmpeg 21 May '25

21 May '25

#10668: cuvid regression creates jerky output -------------------------------------+------------------------------------- Reporter: Jason Dove | Type: defect Status: new | Priority: important Component: avcodec | Version: git- Keywords: cuvid | master decoder nvidia | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: Using the h264_cuvid decoder with certain content will cause the output to be jerky. How to reproduce: {{{ % ffmpeg -c:v h264_cuvid -i input.mkv -c:v libx264 -y output.mkv ffmpeg version N-112777-g08e97dae20 Copyright (c) 2000-2023 the FFmpeg developers built with gcc 13.2.1 (GCC) 20230801 configuration: --prefix=/usr --extra-cflags=-I/opt/cuda/include --extra- ldflags=-L/opt/cuda/lib64 --enable-lto --disable-rpath --enable-gpl --enable-version3 --enable-nonfree --enable-shared --disable-static --disable-stripping --disable-htmlpages --enable-gray --enable-alsa --enable-avisynth --enable-bzlib --enable-chromaprint --enable-frei0r --enable-gcrypt --enable-gmp --enable-gnutls --enable-iconv --enable- ladspa --enable-lcms2 --enable-libaom --enable-libaribb24 --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcelt --enable-libcdio --enable-libcodec2 --enable-libdav1d --enable-libdavs2 --enable-libdc1394 --enable-libfdk-aac --enable-libflite --enable- libfontconfig --enable-libfreetype --enable-libfribidi --enable- libharfbuzz --enable-libglslang --enable-libgme --enable-libgsm --enable- libiec61883 --enable-libilbc --enable-libjack --enable-libjxl --enable- libklvanc --enable-libkvazaar --enable-liblensfun --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-libopencv --enable-libopenh264 --enable-libopenjpeg --enable- libopenmpt --enable-libopenvino --enable-libopus --enable-libplacebo --enable-libpulse --enable-librabbitmq --enable-librav1e --enable-librist --enable-librsvg --enable-librubberband --enable-librtmp --enable-libshine --enable-libsmbclient --enable-libsnappy --enable-libsoxr --enable- libspeex --enable-libsrt --enable-libssh --enable-libsvtav1 --enable- libsvthevc --enable-libsvtvp9 --disable-libtensorflow --enable- libtesseract --enable-libtheora --disable-libtls --enable-libtwolame --enable-libuavs3d --enable-libv4l2 --enable-libvidstab --enable-libvmaf --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable- libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable- libxavs2 --enable-libxcb --enable-libxcb-shm --enable-libxcb-xfixes --enable-libxcb-shape --enable-libxvid --enable-libxml2 --enable-libzimg --enable-libzmq --enable-libzvbi --enable-lv2 --enable-lzma --enable- decklink --disable-mbedtls --enable-libmysofa --enable-openal --enable- opencl --enable-opengl --disable-openssl --disable-pocketsphinx --enable- sndio --enable-sdl2 --enable-vapoursynth --enable-vulkan --enable-xlib --enable-zlib --enable-amf --enable-cuda-nvcc --enable-cuda-llvm --enable- cuvid --enable-ffnvcodec --enable-libdrm --enable-libvpl --enable-libnpp --enable-nvdec --enable-nvenc --enable-omx --enable-rkmpp --enable- v4l2-m2m --enable-vaapi --enable-vdpau libavutil 58. 32.100 / 58. 32.100 libavcodec 60. 33.100 / 60. 33.100 libavformat 60. 17.100 / 60. 17.100 libavdevice 60. 4.100 / 60. 4.100 libavfilter 9. 13.100 / 9. 13.100 libswscale 7. 6.100 / 7. 6.100 libswresample 4. 13.100 / 4. 13.100 libpostproc 57. 4.100 / 57. 4.100 Input #0, matroska,webm, from 'input.mkv': Metadata: ENCODER : Lavf60.17.100 Duration: 00:00:20.25, start: 0.000000, bitrate: 5560 kb/s Stream #0:0: Video: h264 (Main), yuv420p(tv, bt709, progressive), 1918x814 [SAR 1:1 DAR 959:407], 23.98 fps, 23.98 tbr, 1k tbn (default) Metadata: DURATION : 00:00:20.250000000 Stream #0:1: Audio: aac (LC), 48000 Hz, stereo, fltp (default) Metadata: DURATION : 00:00:20.031000000 Stream mapping: Stream #0:0 -> #0:0 (h264 (h264_cuvid) -> h264 (libx264)) Stream #0:1 -> #0:1 (aac (native) -> vorbis (libvorbis)) Press [q] to stop, [?] for help [libx264 @ 0x55640793d640] using SAR=1/1 [libx264 @ 0x55640793d640] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 [libx264 @ 0x55640793d640] profile High, level 4.0, 4:2:0, 8-bit [libx264 @ 0x55640793d640] 264 - core 164 r3108 31e19f9 - H.264/MPEG-4 AVC codec - Copyleft 2003-2023 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=18 lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=23 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00 Output #0, matroska, to 'output.mkv': Metadata: encoder : Lavf60.17.100 Stream #0:0: Video: h264 (H264 / 0x34363248), nv12(tv, bt709, progressive), 1918x814 [SAR 1:1 DAR 959:407], q=2-31, 23.98 fps, 1k tbn (default) Metadata: DURATION : 00:00:20.250000000 encoder : Lavc60.33.100 libx264 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A Stream #0:1: Audio: vorbis (oV[0][0] / 0x566F), 48000 Hz, stereo, fltp (default) Metadata: DURATION : 00:00:20.031000000 encoder : Lavc60.33.100 libvorbis [out#0/matroska @ 0x556407921100] video:5317kB audio:191kB subtitle:0kB other streams:0kB global headers:4kB muxing overhead: 0.264545% frame= 482 fps= 75 q=-1.0 Lsize= 5523kB time=00:00:20.02 bitrate=2259.5kbits/s speed=3.11x [libx264 @ 0x55640793d640] frame I:15 Avg QP:18.37 size: 29181 [libx264 @ 0x55640793d640] frame P:307 Avg QP:20.27 size: 14622 [libx264 @ 0x55640793d640] frame B:160 Avg QP:17.28 size: 3236 [libx264 @ 0x55640793d640] consecutive B-frames: 53.5% 5.4% 3.7% 37.3% [libx264 @ 0x55640793d640] mb I I16..4: 43.4% 53.1% 3.5% [libx264 @ 0x55640793d640] mb P I16..4: 10.8% 20.1% 0.2% P16..4: 39.2% 3.2% 3.1% 0.0% 0.0% skip:23.3% [libx264 @ 0x55640793d640] mb B I16..4: 1.8% 2.0% 0.0% B16..8: 13.9% 1.0% 0.1% direct: 3.2% skip:78.0% L0:58.0% L1:41.1% BI: 0.9% [libx264 @ 0x55640793d640] 8x8 transform intra:62.3% inter:93.8% [libx264 @ 0x55640793d640] coded y,uvDC,uvAC intra: 27.7% 53.5% 3.0% inter: 10.0% 27.8% 0.0% [libx264 @ 0x55640793d640] i16 v,h,dc,p: 29% 33% 17% 21% [libx264 @ 0x55640793d640] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 19% 46% 2% 2% 2% 3% 2% 2% [libx264 @ 0x55640793d640] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 26% 27% 21% 3% 6% 5% 7% 3% 2% [libx264 @ 0x55640793d640] i8c dc,h,v,p: 52% 25% 21% 2% [libx264 @ 0x55640793d640] Weighted P-Frames: Y:9.1% UV:4.9% [libx264 @ 0x55640793d640] ref P L0: 41.1% 4.1% 26.2% 26.1% 2.4% [libx264 @ 0x55640793d640] ref B L0: 55.2% 26.6% 18.2% [libx264 @ 0x55640793d640] ref B L1: 61.4% 38.6% [libx264 @ 0x55640793d640] kb/s:2139.92 ffmpeg -c:v h264_cuvid -i input.mkv -c:v libx264 -y output.mkv 59.59s user 0.61s system 888% cpu 6.777 total }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10668> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#9285(avcodec:new): Excessive GPU memory usage with nvdec hwaccel
by FFmpeg 20 May '25

20 May '25

#9285: Excessive GPU memory usage with nvdec hwaccel -------------------------------------+------------------------------------- Reporter: Ridley | Type: defect Combs | Status: new | Priority: normal Component: avcodec | Version: Keywords: nvdec | unspecified nvidia | Blocked By: Blocking: | Reproduced by developer: 1 Analyzed by developer: 1 | -------------------------------------+------------------------------------- When decoding video using the CUDA hwaccel, `ff_nvdec_decode_init()` sets both `ulNumDecodeSurfaces` and `ulNumOutputSurfaces` to `frames_ctx->initial_pool_size`, which in turn is set by `ff_nvdec_decode_init` to `dpb_size + 2`, which in turn has 3 added by `ff_decode_get_hw_frames_ctx()` and `extra_hw_frames` + `thread_count` added by `avcodec_get_hw_frames_parameters`. This is excessive. Only `ulNumDecodeSurfaces` needs additional frames based on thread count (the output surfaces are only used in `nvdec_retrieve_data`, which runs on the consumer's single thread), while only `ulNumOutputSurfaces` needs the 3 additional output frames from `ff_decode_get_hw_frames_ctx()` or the ones from `extra_hw_frames` (the decode surfaces are never exposed to the consumer). I'm not sure what the best way to handle this is. Maybe nvdec should ignore what the generic code sets `initial_pool_size` to altogether and instead calculate its buffer counts internally, duplicating the generic code's behavior only where appropriate? The `initial_pool_size` value seems to be designed for systems where the decoder's internal buffered frames are returned directly to the user, but that's not the case here. Additionally, it doesn't seem like multithreading in CUDA actually serves any purpose; I see no performance gain when using multiple threads vs 1. Is it useful with any hardware decoder? Should we be defaulting multithreading off when using a hwaccel, or forcing it off unless the hwaccel fails and software fallback occurs? This can result in some pretty hefty memory usage for no reason by default on many-core machines. -- Ticket URL: <https://trac.ffmpeg.org/ticket/9285> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#10663(avcodec:new): Vaapi hardware decoding 444 HEVC failure
by FFmpeg 20 May '25

20 May '25

#10663: Vaapi hardware decoding 444 HEVC failure -------------------------------------+------------------------------------- Reporter: kebs00n | Type: defect Status: new | Priority: important Component: avcodec | Version: 6.0 Keywords: VAAPI | Blocked By: ffmpeg-vaapi avcodec hw_decode | decoder Intel | Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Hello. I'm trying to hardware decode 444 HEVC video frame using VAAPI, but it always fallback in software decoding with this error {{{Hardware does not offer any usable surface formats}}}. See attached logs How to reproduce: {{{ % ./ffmpeg -hwaccel vaapi -hwaccel_device /dev/dri/renderD128 -y -i blackwhite_yuv444p-frame.hevc 444.yuv -v debug }}} FFmpeg configuration: {{{ % ffmpeg version n6.0.1 Copyright (c) 2000-2023 the FFmpeg developers built with gcc 10 (Debian 10.2.1-6) configuration: --prefix=/home/mou/Documents/Dev/FFmpeg/build libavutil 58. 2.100 / 58. 2.100 libavcodec 60. 3.100 / 60. 3.100 libavformat 60. 3.100 / 60. 3.100 libavdevice 60. 1.100 / 60. 1.100 libavfilter 9. 3.100 / 9. 3.100 libswscale 7. 1.100 / 7. 1.100 libswresample 4. 10.100 / 4. 10.100 }}} OS information: {{{ % _,met$$$$$gg. mou@debianMou ,g$$$$$$$$$$$$$$$P. ------------------------ ,g$$P" """Y$$.". OS: Debian GNU/Linux 11 (bullseye) x86_64 ,$$P' `$$$. Host: Prestige 14 A11SCS REV:1.0 ',$$P ,ggs. `$$b: Kernel: 5.10.0-26-amd64 `d$$' ,$P"' . $$$ Uptime: 5 hours, 6 mins $$P d$' , $$P Packages: 3503 (dpkg), 8 (flatpak) $$: $$. - ,d$$' Shell: zsh 5.8 $$; Y$b._ _,d$P' Resolution: 1920x1080, 2560x1440 Y$$. `.`"Y$$$$P"' DE: Plasma 5.20.5 `$$b "-.__ WM: KWin `Y$$ WM Theme: Breeze `Y$$. Theme: Breeze Dark [Plasma], Breeze [GTK2/3] `$$b. Icons: breeze-dark [Plasma], breeze-dark [GTK2/3] `Y$$b. Terminal: yakuake `"Y$b._ CPU: 11th Gen Intel i7-1165G7 (8) @ 4.700GHz `""" GPU: NVIDIA GeForce GTX 1650 Ti Mobile GPU: Intel TigerLake GT2 [Iris Xe Graphics] Memory: 5889MiB / 15697MiB }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10663> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#9020(avformat:new): http BUFFER_SIZE too small
by FFmpeg 18 May '25

18 May '25

#9020: http BUFFER_SIZE too small ----------------------------------+--------------------------------------- Reporter: jtojnar | Type: defect Status: new | Priority: normal Component: avformat | Version: unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | ----------------------------------+--------------------------------------- Summary of the bug: When making a HTTP request with a large authorization cookie, the execution fails with “overlong headers” error. The limit was increased to 8192 bytes in https://github.com/FFmpeg/FFmpeg/commit/d29c42974487d5fa0a5c1b05a09da5c5818… (part of ffmpeg 4.3.1) but that is still not enough for authorization headers required for downloading videos from Microsoft Stream (the cookie header alone is almost 8kiB). How to reproduce: {{{ $ ffmpeg -headers "Cookie: Authorization_Api=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%XX%XX; Signature_Api=XX%XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%XXXXXXXX%XXXX; UserSession_Api=XXXXXXXXX=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX&XXXXXXX=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; Authorization=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%XX%XX; Signature=XX%XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX%XXXXXXXX%XXXX; Extra- dummy-data-representing-the-rest-of-headers: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX; XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" -i "http://example.com/" ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 9.3.0 (GCC) configuration: --disable-static --prefix=/nix/store /n77nwda6g2b9iaxxwk8mdzardxzgz7dl-ffmpeg-4.3.1 --arch=x86_64 --target_os=linux --enable-gpl --enable-version3 --enable-shared --enable- pic --enable-runtime-cpudetect --enable-hardcoded-tables --enable-pthreads --disable-w32threads --disable-os2threads --enable-network --enable- pixelutils --enable-ffmpeg --disable-ffplay --enable-ffprobe --enable- avcodec --enable-avdevice --enable-avfilter --enable-avformat --enable- avresample --enable-avutil --enable-postproc --enable-swresample --enable- swscale --disable-doc --enable-libass --enable-bzlib --enable-gnutls --enable-fontconfig --enable-libfreetype --enable-libmp3lame --enable- iconv --enable-libtheora --enable-libssh --enable-vaapi --enable-libdrm --enable-vdpau --enable-libvorbis --enable-libvpx --enable-lzma --disable- opengl --disable-libmfx --disable-libaom --enable-libpulse --enable-sdl2 --enable-libsoxr --enable-libx264 --enable-libxvid --enable-zlib --enable- libopus --enable-libspeex --enable-libx265 --enable-libdav1d --disable- debug --enable-optimizations --disable-extra-warnings --disable-stripping libavutil 56. 51.100 / 56. 51.100 libavcodec 58. 91.100 / 58. 91.100 libavformat 58. 45.100 / 58. 45.100 libavdevice 58. 10.100 / 58. 10.100 libavfilter 7. 85.100 / 7. 85.100 libavresample 4. 0. 0 / 4. 0. 0 libswscale 5. 7.100 / 5. 7.100 libswresample 3. 7.100 / 3. 7.100 libpostproc 55. 7.100 / 55. 7.100 [http @ 0x1f7e480] No trailing CRLF found in HTTP header. Adding it. [http @ 0x1f7e480] overlong headers http://example.com/: Invalid argument }}} I managed to fix it locally by patching ffmpeg with a bigger buffer size (https://github.com/ytdl-org/youtube-dl/pull/24649#issuecomment-738002126) but ideally, ffmpeg would use dynamic allocation for the headers. -- Ticket URL: <https://trac.ffmpeg.org/ticket/9020> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#10659(undetermined:new): Converting to ass subtitles results in overlap.
by FFmpeg 14 May '25

14 May '25

#10659: Converting to ass subtitles results in overlap. -------------------------------------+------------------------------------- Reporter: typological | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: When converting to ass subtitles from srt or vtt, there are some overlaps that weren't there, probably due to wrong rounding. How to reproduce: {{{ % ffmpeg -i sub.srt sub.ass ffmpeg version n6.0 Copyright (c) 2000-2023 the FFmpeg developers built with gcc 13.2.1 (GCC) 20230801 }}} sub.srt (input): {{{ 1 00:00:29,566 --> 00:00:34,332 test 1 2 00:00:34,333 --> 00:00:38,833 test 2 3 00:00:38,833 --> 00:00:39,833 test 3 }}} sub.ass (actual output): {{{ ... [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:29.57,0:00:34.34,Default,,0,0,0,,test 1 Dialogue: 0,0:00:34.33,0:00:38.83,Default,,0,0,0,,test 2 Dialogue: 0,0:00:38.83,0:00:39.83,Default,,0,0,0,,test 3 }}} sub.ass (expected output): {{{ ... [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:29.57,0:00:34.33,Default,,0,0,0,,test 1 Dialogue: 0,0:00:34.33,0:00:38.83,Default,,0,0,0,,test 2 Dialogue: 0,0:00:38.83,0:00:39.83,Default,,0,0,0,,test 3 }}} (note the 34, that should've been 33, at the first Dialogue line) the same happens if I use sub.vtt as input with the command {{{ ffmpeg -i sub.vtt sub.ass }}} with sub.vtt (input) {{{ WEBVTT Kind: captions Language: en 00:00:29.566 --> 00:00:34.332 test 1 00:00:34.333 --> 00:00:38.833 test 2 00:00:38.833 --> 00:00:39.833 test 3 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10659> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

1 7

#9408(undetermined:new): WASAPI Audio Input/Output Support
by FFmpeg 09 May '25

09 May '25

#9408: WASAPI Audio Input/Output Support -------------------------------------+------------------------------------- Reporter: Brad Isbell | Type: | enhancement Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- The Windows Audio Session API (WASAPI) is a modern API for audio playback/capture under Windows. It offers several benefits over the current DirectShow implementation in FFmpeg: - [https://docs.microsoft.com/en-us/windows/win32/api/mmreg/ns-mmreg- waveformatextensible Multi-channel support] - [https://docs.microsoft.com/en-us/windows/win32/coreaudio/loopback- recording Loopback capture], for both entire output devices and for individual streams from applications - [https://docs.microsoft.com/en-us/windows/win32/api/audioclient/nf- audioclient-iaudioclient-initialize Low-latency I/O] without the need for proprietary ASIO - [https://docs.microsoft.com/en-us/windows/win32/coreaudio/exclusive- mode-streams Exclusive mode] for further reducing latency == Sample Usage == Capture from multichannel soundcard: {{{ ffmpeg -f wasapi -ar 96000 -ac 8 -i device="My Multichannel Soundcard" … }}} Capture in exclusive mode from soundcard named 'Soundcard': {{{ ffmpeg -f wasapi -exclusive_mode true -i device="Soundcard" … }}} Capture loopback from soundcard named 'Soundcard': {{{ ffmpeg -f wasapi -i loopback_device="Soundcard" … }}} Capture loopback from entire system: {{{ ffmpeg -f wasapi -i loopback_system=true … }}} Capture loopback from app by name or PID: {{{ ffmpeg -f wasapi -i loopback_application_pid=54321 … ffmpeg -f wasapi -i loopback_application_name="Skifree" … }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/9408> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

1 6

#6091(avformat:new): support ds2 audio (dss pro audio) file format
by FFmpeg 03 May '25

03 May '25

#6091: support ds2 audio (dss pro audio) file format -----------------------------------+--------------------------------------- Reporter: vineet156 | Type: enhancement Status: new | Priority: normal Component: avformat | Version: git-master Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -----------------------------------+--------------------------------------- Summary of the bug: ffmpeg already supports dss audio file decoding. Please add support for ds2 as well, which is an improved version of dss and called "dss pro" How to reproduce: {{{ ffmpeg started on 2017-01-19 at 04:20:46 Report written to "ffmpeg-20170119-042046.log" Command line: ../bin/ffmpeg -report -i VoiceRec11.ds2 VoiceRec11.mp3 ffmpeg version N-83132-g9561de4 Copyright (c) 2000-2017 the FFmpeg developers built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.4) 20160609 configuration: --prefix=/home/ubuntu/ffmpeg_build --pkg-config- flags=--static --extra-cflags='-I/home/ubuntu/ffmpeg_build/include -static' --extra-ldflags='-L/home/ubuntu/ffmpeg_build/lib -static' --bindir=/home/ubuntu/bin --enable-libmp3lame libavutil 55. 43.100 / 55. 43.100 libavcodec 57. 73.100 / 57. 73.100 libavformat 57. 62.100 / 57. 62.100 libavdevice 57. 2.100 / 57. 2.100 libavfilter 6. 69.100 / 6. 69.100 libswscale 4. 3.101 / 4. 3.101 libswresample 2. 4.100 / 2. 4.100 Splitting the commandline. Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'. Reading option '-i' ... matched as input url with argument 'VoiceRec11.ds2'. Reading option 'VoiceRec11.mp3' ... matched as output url. Finished splitting the commandline. Parsing a group of options: global . Applying option report (generate a report) with argument 1. Successfully parsed a group of options. Parsing a group of options: input url VoiceRec11.ds2. Successfully parsed a group of options. Opening an input file: VoiceRec11.ds2. [file @ 0x3e5db40] Setting default whitelist 'file,crypto' [AVIOContext @ 0x3e66f60] Statistics: 1048576 bytes read, 0 seeks VoiceRec11.ds2: Invalid data found when processing input }}} A ds2 sample file is attached for testing. Also making a small donation to the project thank you, -- Ticket URL: <https://trac.ffmpeg.org/ticket/6091> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

1 19

#10469(undetermined:new): non-existing PPS 0 referenced after ffmpeg segment (HLS) encoding
by FFmpeg 02 May '25

02 May '25

#10469: non-existing PPS 0 referenced after ffmpeg segment (HLS) encoding -------------------------------------+------------------------------------- Reporter: maxjh | Type: defect Status: new | Priority: normal Component: | Version: undetermined | unspecified Keywords: | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Summary of the bug: I'm using ffmpeg to convert files to HLS format and found one file that looks corrupted after convert. How to reproduce: {{{ % ffmpeg -i https://storage.googleapis.com/lp-us-catalyst-vod- com/hls/80c9ui6jg4q82rvj/video -c:a copy -c:v copy -f hls -hls_list_size 0 -hls_playlist_type vod -hls_segment_type mpegts -hls_time 10 -y index.m3u8 ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers built with Apple clang version 14.0.3 (clang-1403.0.22.14.1) configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0-with-options_1 --enable-shared --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libaom --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-libsnappy --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libfontconfig --enable- libfreetype --enable-frei0r --enable-libass --enable-demuxer=dash --enable-opencl --enable-audiotoolbox --enable-videotoolbox --enable-neon --disable-htmlpages --enable-libfdk-aac --enable-nonfree libavutil 58. 2.100 / 58. 2.100 libavcodec 60. 3.100 / 60. 3.100 libavformat 60. 3.100 / 60. 3.100 libavdevice 60. 1.100 / 60. 1.100 libavfilter 9. 3.100 / 9. 3.100 libswscale 7. 1.100 / 7. 1.100 libswresample 4. 10.100 / 4. 10.100 libpostproc 57. 1.100 / 57. 1.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'https://storage.googleapis.com /lp-us-catalyst-vod-com/hls/80c9ui6jg4q82rvj/video': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf60.3.100 Duration: 00:16:27.43, start: 0.000000, bitrate: 2140 kb/s Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 1944 kb/s, 30 fps, 30 tbr, 90k tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 184 kb/s (default) Metadata: handler_name : SoundHandler vendor_id : [0][0][0][0] Output #0, hls, to 'index.m3u8': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf60.3.100 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 1944 kb/s, 30 fps, 30 tbr, 90k tbn (default) Metadata: handler_name : VideoHandler vendor_id : [0][0][0][0] Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 184 kb/s (default) Metadata: handler_name : SoundHandler vendor_id : [0][0][0][0] Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Press [q] to stop, [?] for help [hls @ 0x155606f60] Opening 'index0.ts' for writing4 bitrate=N/A speed= 20x /s speed=N/A [hls @ 0x155606f60] Opening 'index1.ts' for writing3 bitrate=N/A speed=19.7x [hls @ 0x155606f60] Opening 'index2.ts' for writing1 bitrate=N/A speed=19.5x [hls @ 0x155606f60] Opening 'index3.ts' for writing4 bitrate=N/A speed= 19x ... }}} % ffprobe -loglevel error -show_format -show_streams -print_format json index1.ts { [h264 @ 0x13b704b40] non-existing SPS 0 referenced in buffering period [h264 @ 0x13b704b40] non-existing PPS 0 referenced [h264 @ 0x13b704b40] non-existing SPS 0 referenced in buffering period [h264 @ 0x13b704b40] non-existing PPS 0 referenced [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced Last message repeated 1 times [h264 @ 0x13b704b40] decode_slice_header error [h264 @ 0x13b704b40] no frame! [h264 @ 0x13b704b40] non-existing PPS 0 referenced ... {{{ ffmpeg -version ffmpeg version 6.0 Copyright (c) 2000-2023 the FFmpeg developers built with Apple clang version 14.0.3 (clang-1403.0.22.14.1) configuration: --prefix=/opt/homebrew/Cellar/ffmpeg/6.0-with-options_1 --enable-shared --cc=clang --host-cflags= --host-ldflags= --enable-gpl --enable-libaom --enable-libdav1d --enable-libmp3lame --enable-libopus --enable-libsnappy --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libfontconfig --enable- libfreetype --enable-frei0r --enable-libass --enable-demuxer=dash --enable-opencl --enable-audiotoolbox --enable-videotoolbox --enable-neon --disable-htmlpages --enable-libfdk-aac --enable-nonfree libavutil 58. 2.100 / 58. 2.100 libavcodec 60. 3.100 / 60. 3.100 libavformat 60. 3.100 / 60. 3.100 libavdevice 60. 1.100 / 60. 1.100 libavfilter 9. 3.100 / 9. 3.100 libswscale 7. 1.100 / 7. 1.100 libswresample 4. 10.100 / 4. 10.100 libpostproc 57. 1.100 / 57. 1.100 }}} When trying to play back index1.ts I'm only able to hear audio, the video seems to have been corrupted. -- Ticket URL: <https://trac.ffmpeg.org/ticket/10469> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

1 5

#10806(avutil:new): Heap-use-after-free in av_expr_free (libavutil/eval.c:361)
by FFmpeg 30 Apr '25

30 Apr '25

#10806: Heap-use-after-free in av_expr_free (libavutil/eval.c:361) -------------------------------------+------------------------------------- Reporter: Bachir | Type: defect Bendrissou | Status: new | Priority: important Component: avutil | Version: git- Keywords: error, | master corrupted, bugs, memory | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- ==== Summary of the bug: While attempting to apply a two-pass video encoding to a small mp4 video, we encountered a heap-use-after-free memory error in file: libavutil/eval.c, line: 361. ==== How to reproduce: The bug is reproducible on the latest commit be4fcf027b. The following builds ffmpeg: {{{#!bash git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg cd ffmpeg ./configure --disable-asm --toolchain=gcc-asan --disable-ffplay --disable- ffprobe make }}} Next, run the first pass that generates a log file, which is required by the ffmpeg two-pass video encoding command: {{{#!bash ./ffmpeg_g -y -v 9 -loglevel 99 -i small_movie.mp4 -pass 1 small_movie_out.mp4 }}} The video file "small_movie.mp4" is attached. Next, run the ffmpeg command: {{{#!bash ./ffmpeg_g -y -v 9 -loglevel 99 -i small_movie.mp4 -pass 2 small_movie_out.mp4 }}} Options `-v 9 -loglevel 99` are optional and were only added to produce verbose logs. ==== Console output: {{{ ffmpeg version N-113344-gbe4fcf027b Copyright (c) 2000-2024 the FFmpeg developers built with gcc 11 (Ubuntu 11.4.0-1ubuntu1~22.04) configuration: --disable-asm --toolchain=gcc-asan --disable-ffplay --disable-ffprobe libavutil 58. 36.101 / 58. 36.101 libavcodec 60. 37.100 / 60. 37.100 libavformat 60. 20.100 / 60. 20.100 libavdevice 60. 4.100 / 60. 4.100 libavfilter 9. 17.100 / 9. 17.100 libswscale 7. 6.100 / 7. 6.100 libswresample 4. 13.100 / 4. 13.100 Splitting the commandline. Reading option '-y' ... matched as option 'y' (overwrite output files) with argument '1'. Reading option '-v' ... matched as option 'v' (set logging level) with argument '9'. Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument '99'. Reading option '-i' ... matched as output url with argument 'input.mp4'. Reading option '-pass' ... matched as option 'pass' (select the pass number (1 to 3)) with argument '2'. Reading option 'small_movie_out.mp4' ... matched as output url. Finished splitting the commandline. Parsing a group of options: global . Applying option y (overwrite output files) with argument 1. Applying option v (set logging level) with argument 9. Successfully parsed a group of options. Parsing a group of options: input url input.mp4. Successfully parsed a group of options. Opening an input file: input.mp4. [AVFormatContext @ 0x617000000080] Opening 'input.mp4' for reading [file @ 0x60c000000280] Setting default whitelist 'file,crypto,data' Probing mov,mp4,m4a,3gp,3g2,mj2 score:100 size:1267 Probing mp3 score:1 size:1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] Format mov,mp4,m4a,3gp,3g2,mj2 probed with size=2048 and score=100 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'ftyp' parent:'root' sz: 24 8 1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] ISO: File Type Major Brand: mp42 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'free' parent:'root' sz: 8 32 1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'mdat' parent:'root' sz: 405 40 1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'moov' parent:'root' sz: 830 445 1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'mvhd' parent:'moov' sz: 108 8 822 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] time scale = 90000 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'trak' parent:'moov' sz: 714 116 822 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'tkhd' parent:'trak' sz: 92 8 706 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'mdia' parent:'trak' sz: 614 100 706 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'idhd' parent:'mdia' sz: 32 8 606 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'hdlr' parent:'mdia' sz: 52 40 606 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] ctype=[0][0][0][0] [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stype=vide [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'minf' parent:'mdia' sz: 522 92 606 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'vmhd' parent:'minf' sz: 20 8 514 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'dinf' parent:'minf' sz: 36 28 514 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'dref' parent:'dinf' sz: 28 8 28 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] Unknown dref type 0x206c7275 size 12 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stbl' parent:'minf' sz: 458 64 514 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stsd' parent:'stbl' sz: 162 8 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] size=146 4CC=avc1 codec_type=0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'avcC' parent:'stsd' sz: 60 8 60 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stts' parent:'stbl' sz: 24 170 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] track[0].stts.entries = 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] sample_count=12, sample_duration=1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'ctts' parent:'stbl' sz: 96 194 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] track[0].ctts.entries = 10 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=3 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=2, duration=0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=4 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=-1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=3 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=2, duration=0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] count=1, duration=-1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] dts shift 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stsc' parent:'stbl' sz: 52 290 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] track[0].stsc.entries = 3 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stsz' parent:'stbl' sz: 68 342 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] sample_size = 0 sample_count = 12 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stco' parent:'stbl' sz: 28 410 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] type:'stss' parent:'stbl' sz: 20 438 450 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] keyframe_count = 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, timescale not set [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 0, offset 28, dts -1, size 124, distance 0, keyframe 1 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 1, offset a4, dts 0, size 64, distance 1, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 2, offset e4, dts 1, size 25, distance 2, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 3, offset fd, dts 2, size 25, distance 3, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 4, offset 116, dts 3, size 24, distance 4, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 5, offset 12e, dts 4, size 21, distance 5, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 6, offset 143, dts 5, size 21, distance 6, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 7, offset 158, dts 6, size 21, distance 7, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 8, offset 16d, dts 7, size 25, distance 8, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 9, offset 186, dts 8, size 21, distance 9, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 10, offset 19b, dts 9, size 21, distance 10, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] AVIndex stream 0, sample 11, offset 1b0, dts 10, size 5, distance 11, keyframe 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] Setting codecpar->delay to 2 for stream st: 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] on_parse_exit_offset=1267 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] Before avformat_find_stream_info() pos: 1267 bytes read:1267 seeks:0 nb_streams:1 [h264 @ 0x619000000080] nal_unit_type: 7(SPS), nal_ref_idc: 3 [h264 @ 0x619000000080] Decoding VUI [h264 @ 0x619000000080] nal_unit_type: 8(PPS), nal_ref_idc: 3 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 0, dts -11 [h264 @ 0x619000000080] nal_unit_type: 7(SPS), nal_ref_idc: 3 [h264 @ 0x619000000080] Decoding VUI [h264 @ 0x619000000080] nal_unit_type: 8(PPS), nal_ref_idc: 3 [h264 @ 0x619000000080] nal_unit_type: 5(IDR), nal_ref_idc: 3 [h264 @ 0x619000000080] Format yuv420p chosen by get_format(). [h264 @ 0x619000000080] Reinit context to 48x144, pix_fmt: yuv420p [h264 @ 0x619000000080] no picture [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] All info found [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0: start_time: 1.11111e-05 duration: NOPTS [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] format: start_time: 1.1e-05 duration: NOPTS (estimate from bit rate) bitrate=0 kb/s [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] After avformat_find_stream_info() pos: 164 bytes read:1267 seeks:0 frames:1 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input.mp4': Metadata: major_brand : mp42 minor_version : 19529854 compatible_brands: mp42isom creation_time : 2014-11-14T07:34:24.000000Z Duration: N/A, start: 0.000011, bitrate: N/A Stream #0:0[0x1], 1, 1/90000: Video: h264 (High), 1 reference frame (avc1 / 0x31637661), yuv420p(tv, smpte170m, progressive, left), 48x144 [SAR 1:1 DAR 1:3], 0/1, 90k fps, 90k tbr, 90k tbn (default) Metadata: handler_name : Video Media Handler vendor_id : [0][0][0][0] encoder : AVC Coding Successfully opened the file. Parsing a group of options: output url small_movie_out.mp4. Applying option pass (select the pass number (1 to 3)) with argument 2. Successfully parsed a group of options. Opening an output file: small_movie_out.mp4. [out#0/mp4 @ 0x611000000b80] No explicit maps, mapping streams automatically... [vost#0:0/mpeg4 @ 0x617000000780] Created video stream from input stream 0:0 [file @ 0x60d000001080] Setting default whitelist 'file,crypto,data' [AVIOContext @ 0x612000000c40] Statistics: 666494 bytes read, 0 seeks detected 4 logical cores [h264 @ 0x619000001980] nal_unit_type: 7(SPS), nal_ref_idc: 3 [h264 @ 0x619000001980] Decoding VUI [h264 @ 0x619000001980] nal_unit_type: 8(PPS), nal_ref_idc: 3 [file @ 0x60d000001700] Setting default whitelist 'file,crypto,data' Successfully opened the file. Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native)) [vost#0:0/mpeg4 @ 0x617000000780] Starting thread... [vf#0:0 @ 0x60e0000002e0] Starting thread... [vist#0:0/h264 @ 0x613000000ac0] Starting thread... [in#0/mov,mp4,m4a,3gp,3g2,mj2 @ 0x612000000040] Starting thread... Press [q] to stop, [?] for help [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 1, dts 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 2, dts 11 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 3, dts 22 [h264 @ 0x619000001980] nal_unit_type: 5(IDR), nal_ref_idc: 3 [h264 @ 0x619000001980] Format yuv420p chosen by get_format(). [h264 @ 0x619000001980] Reinit context to 48x144, pix_fmt: yuv420p [h264 @ 0x619000001980] no picture [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 4, dts 33 [h264 @ 0x619000001e80] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000001e80] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0x619000001e80] no picture [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 5, dts 44 [h264 @ 0x619000002380] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000002380] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0 [h264 @ 0x619000002880] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000002880] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 6, dts 56 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 7, dts 67 [h264 @ 0x619000002d80] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000002d80] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0x619000001980] nal_unit_type: 15(Subset SPS), nal_ref_idc: 0 [h264 @ 0x619000001980] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [h264 @ 0x619000001980] Unknown NAL code: 15 (11 bits) [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 8, dts 78 [h264 @ 0x619000001e80] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000001e80] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 9, dts 89 [mov,mp4,m4a,3gp,3g2,mj2 @ 0x617000000080] stream 0, sample 10, dts 100 [h264 @ 0x619000002380] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000002380] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 0 [h264 @ 0x619000002880] nal_unit_type: 9(AUD), nal_ref_idc: 0 [h264 @ 0x619000002880] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 2 [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'video_size' to value '48x144' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'pix_fmt' to value '0' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'time_base' to value '1/90000' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'pixel_aspect' to value '1/1' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'colorspace' to value 'smpte170m' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'range' to value 'tv' [graph 0 input from stream 0:0 @ 0x610000038140] Setting 'frame_rate' to value '90000/1' [graph 0 input from stream 0:0 @ 0x610000038140] w:48 h:144 pixfmt:yuv420p tb:1/90000 fr:90000/1 sar:1/1 csp:smpte170m range:tv [format @ 0x610000038340] Setting 'pix_fmts' to value 'yuv420p' [AVFilterGraph @ 0x609000024800] query_formats: 4 queried, 9 merged, 0 already done, 0 delayed [vost#0:0/mpeg4 @ 0x617000000780] *** 5460 dup! [mpeg4 @ 0x619000001480] intra_quant_bias = 0 inter_quant_bias = -64 [mpeg4 @ 0x619000001480] requested bitrate is too low ================================================================= ==4110427==ERROR: AddressSanitizer: heap-use-after-free on address 0x60800001c440 at pc 0x55acbc0fef0d bp 0x7f69c9024a20 sp 0x7f69c9024a10 READ of size 8 at 0x60800001c440 thread T7 (vf#0:0) #0 0x55acbc0fef0c in av_expr_free libavutil/eval.c:361 #1 0x55acb9964d81 in ff_rate_control_uninit libavcodec/ratecontrol.c:686 #2 0x55acb9950ba9 in ff_mpv_encode_end libavcodec/mpegvideo_enc.c:991 #3 0x55acb98fe2f0 in avcodec_close libavcodec/avcodec.c:452 #4 0x55acba612e63 in avcodec_open2 libavcodec/avcodec.c:380 #5 0x55acb9a3b132 in enc_open fftools/ffmpeg_enc.c:319 #6 0x55acb9a94f90 in enc_open fftools/ffmpeg_sched.c:1462 #7 0x55acb9a94f90 in send_to_enc fftools/ffmpeg_sched.c:1571 #8 0x55acb9a94f90 in sch_filter_send fftools/ffmpeg_sched.c:2154 #9 0x55acb9a4597c in fg_output_frame fftools/ffmpeg_filter.c:2303 #10 0x55acb9a4876c in fg_output_step fftools/ffmpeg_filter.c:2406 #11 0x55acb9a4876c in read_frames fftools/ffmpeg_filter.c:2467 #12 0x55acb9a512de in read_frames fftools/ffmpeg_filter.c:2423 #13 0x55acb9a512de in filter_thread fftools/ffmpeg_filter.c:2879 #14 0x55acb9a8adb8 in task_wrapper fftools/ffmpeg_sched.c:2200 #15 0x7f69cfb8eac2 (/lib/x86_64-linux-gnu/libc.so.6+0x94ac2) #16 0x7f69cfc2084f (/lib/x86_64-linux-gnu/libc.so.6+0x12684f) 0x60800001c440 is located 32 bytes inside of 72-byte region [0x60800001c420,0x60800001c468) freed by thread T7 (vf#0:0) here: #0 0x7f69cfeda537 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:127 #1 0x55acbc0fee0e in av_expr_free libavutil/eval.c:366 #2 0x55acbc792057 (/home/bb1222/ffmpeg-asan/ffmpeg_g+0x341c057) previously allocated by thread T7 (vf#0:0) here: #0 0x7f69cfedb57c in __interceptor_posix_memalign ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:226 #1 0x55acbc12a78c in av_malloc libavutil/mem.c:105 Thread T7 (vf#0:0) created by T0 here: #0 0x7f69cfe7e685 in __interceptor_pthread_create ../../../../src/libsanitizer/asan/asan_interceptors.cpp:216 #1 0x55acb9a88ad9 in task_start fftools/ffmpeg_sched.c:403 SUMMARY: AddressSanitizer: heap-use-after-free libavutil/eval.c:361 in av_expr_free Shadow bytes around the buggy address: 0x0c107fffb830: fa fa fa fa 00 00 00 00 00 00 00 00 00 fa fa fa 0x0c107fffb840: fa fa fa fa 00 00 00 00 00 00 00 00 00 fa fa fa 0x0c107fffb850: fa fa fa fa 00 00 00 00 00 00 00 00 00 fa fa fa 0x0c107fffb860: fa fa fa fa fd fd fd fd fd fd fd fd fd fa fa fa 0x0c107fffb870: fa fa fa fa fd fd fd fd fd fd fd fd fd fa fa fa =>0x0c107fffb880: fa fa fa fa fd fd fd fd[fd]fd fd fd fd fa fa fa 0x0c107fffb890: fa fa fa fa fd fd fd fd fd fd fd fd fd fd fa fa 0x0c107fffb8a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c107fffb8b0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c107fffb8c0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c107fffb8d0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cb Shadow gap: cc ==4110427==ABORTING }}} ==== Environment: {{{ ffmpeg version N-113344-gbe4fcf027b gcc 11.4.0 Ubuntu 22.04.2 }}} -- Ticket URL: <https://trac.ffmpeg.org/ticket/10806> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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#10843(ffmpeg:new): A -shortest-video option that acts just like -shortest but ignores audio
by FFmpeg 26 Apr '25

26 Apr '25

#10843: A -shortest-video option that acts just like -shortest but ignores audio -------------------------------------+------------------------------------- Reporter: Florian | Type: | enhancement Status: new | Priority: minor Component: ffmpeg | Version: Keywords: shortest, | unspecified duration, -t | Blocked By: Blocking: | Reproduced by developer: 0 Analyzed by developer: 0 | -------------------------------------+------------------------------------- Anyone who exported a final project with video+audio ready to then encode with ffmpeg, they don't want the audio to extend the last frame of video. Yet they cannot use **-shortest** because this would make the audio trim the video if shorter. A good solution to that problem would be a **-shortest-video** option which would act exactly like **-shortest** but would only look at the video inputs. Also, this is probalby extremely simple to implement since you already have -shortest Thanks! -- Ticket URL: <https://trac.ffmpeg.org/ticket/10843> FFmpeg <https://ffmpeg.org> FFmpeg issue tracker

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