[FFmpeg-trac] #5501(undetermined:new): EAC3 decoding
FFmpeg
trac at avcodec.org
Mon May 2 20:31:44 CEST 2016
#5501: EAC3 decoding
-------------------------------------+-------------------------------------
Reporter: Mista_D | Type: defect
Status: new | Priority: normal
Component: | Version:
undetermined | unspecified
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
-------------------------------------+-------------------------------------
Problem decoding EAC3 from TS, if track is repackaged with "-copy_unkown",
then the stream is a FFmpeg decodable AC3 384k...
Any way to decode original file without the temp file?
1. FAILED TO DECODE
ffmpeg -i part.ts -map 0:1 -t 10 -f null -
ffmpeg version N-79000-g66edd86 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.3.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmfx --enable-libmp3lame --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-
libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-
libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink
--enable-zlib
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 28.100 / 57. 28.100
libavformat 57. 28.100 / 57. 28.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.102 / 6. 39.102
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[mpegts @ 00000000007a2700] probed stream 1 failed
[mpegts @ 00000000007a2700] Could not find codec parameters for stream 1
(Unknown: none (EAC3 / 0x33434145)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpegts, from 'part.ts':
Duration: N/A, start: 1.083400, bitrate: N/A
Program 2
Stream #0:0[0x1e1]: Video: h264 (High 4:2:2) ([27][0][0][0] / 0x001B),
yuv422p10le(tv, bt709), 3840x2160 [SAR 1:1 DAR 16:9],
Closed Captions, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
Stream #0:1[0x1e2]: Unknown: none (EAC3 / 0x33434145)
Cannot map stream #0:1 - unsupported type.
If you want unsupported types ignored instead of failing, please use the
-ignore_unknown option
If you want them copied, please use -copy_unknown
2. COPIED TRACK TO TS with "-copy_unknown"
ffmpeg -i 108GB_9.ts -map 0:1 -t 10 -copy_unknown -c copy audio_test.ts
ffmpeg version N-79000-g66edd86 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.3.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmfx --enable-libmp3lame --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-
libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-
libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink
--enable-zlib
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 28.100 / 57. 28.100
libavformat 57. 28.100 / 57. 28.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.102 / 6. 39.102
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
[mpegts @ 0000000000662820] probed stream 1 failed
[mpegts @ 0000000000662820] Could not find codec parameters for stream 1
(Unknown: none (EAC3 / 0x33434145)): unknown codec
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, mpegts, from '108GB_9.ts':
Duration: N/A, start: 1.083400, bitrate: N/A
Program 2
Stream #0:0[0x1e1]: Video: h264 (High 4:2:2) ([27][0][0][0] / 0x001B),
yuv422p10le(tv, bt709), 3840x2160 [SAR 1:1 DAR 16:9],
Closed Captions, 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
Stream #0:1[0x1e2]: Unknown: none (EAC3 / 0x33434145)
Output #0, mpegts, to 'audio_test.ts':
Metadata:
encoder : Lavf57.28.100
Stream #0:0: Unknown: none (EAC3 / 0x33434145)
Stream mapping:
Stream #0:1 -> #0:0 (copy)
Press [q] to stop, [?] for help
size= 540kB time=00:00:09.98 bitrate= 443.5kbits/s speed= 35x
video:0kB audio:0kB subtitle:0kB other streams:473kB global headers:0kB
muxing overhead: 14.242310%
3. CONVERT TEST AUDIO FILE to WAV - OK!
ffmpeg -i audio_test.ts 1.wav
ffmpeg version N-79000-g66edd86 Copyright (c) 2000-2016 the FFmpeg
developers
built with gcc 5.3.0 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads
--enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r
--enable-gnutls --enable-iconv --enable-libass --enable-libbluray
--enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype
--enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug
--enable-libmfx --enable-libmp3lame --enable-libopencore-amrnb --enable-
libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp
--enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-
libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
--enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-
libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-
libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink
--enable-zlib
libavutil 55. 19.100 / 55. 19.100
libavcodec 57. 28.100 / 57. 28.100
libavformat 57. 28.100 / 57. 28.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 39.102 / 6. 39.102
libswscale 4. 0.100 / 4. 0.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Input #0, mpegts, from 'audio_test.ts':
Duration: 00:00:09.98, start: 1.400000, bitrate: 443 kb/s
Program 1
Metadata:
service_name : Service01
service_provider: FFmpeg
Stream #0:0[0x100]: Audio: eac3 ([6][0][0][0] / 0x0006), 48000 Hz,
5.1(side), fltp, 384 kb/s
Output #0, wav, to '1.wav':
Metadata:
ISFT : Lavf57.28.100
Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz,
5.1(side), s16, 4608 kb/s
Metadata:
encoder : Lavc57.28.100 pcm_s16le
Stream mapping:
Stream #0:0 -> #0:0 (eac3 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
[eac3 @ 000000000078ef20] incomplete frame
size= 5652kB time=00:00:10.04 bitrate=4608.1kbits/s speed= 141x
video:0kB audio:5652kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.001762%
--
Ticket URL: <https://trac.ffmpeg.org/ticket/5501>
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