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Old 2nd March 2015, 17:48   #1  |  Link
pyrobooby
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Join Date: Oct 2012
Location: Shanghai, China
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How to use ffmpeg to extract a Dobly E track from a ts file?

Code:
ffmpeg  -i Vienna\ Philharmonic\ Orchestra\ -\ New\ Year\'s\ Concert\ \ 2015\ Guests#1\ -\ MPEG2\ \ 422HD\ +DolbyE\ -\ UPLINK\ \[SRSL\].ts
ffmpeg version 2.5.4 Copyright (c) 2000-2015 the FFmpeg developers
built on Feb 15 2015 21:43:03 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libpulse --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.102 / 56. 15.102
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[mpeg2video @ 0xaf4dee0] warning: first frame is no keyframe
[mpegts @ 0xaf4a2c0] PES packet size mismatch
Last message repeated 1 times
Input #0, mpegts, from 'Vienna Philharmonic Orchestra - New Year's Concert 2015 Guests#1 - MPEG2 422HD +DolbyE - UPLINK [SRSL].ts':
Duration: 00:11:04.32, start: 6642.099244, bitrate: 41171 kb/s
Program 1
Stream #0:0[0x200]: Video: mpeg2video (4:2:2) ([2][0][0][0] / 0x0002), yuv422p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], max. 37500 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
Stream #0:1[0x1010](ger): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz, stereo, s16p, 384 kb/s
Stream #0:2[0x1020](ger): Audio: s302m (BSSD / 0x44535342), 48000 Hz, stereo, s32 (20 bit), 2304 kb/s
At least one output file must be specified

Then, I tried to extract it from the ts container.
Code:
ffmpeg  -i Vienna\ Philharmonic\ Orchestra\ -\ New\ Year\'s\ Concert\ \ 2015\ Guests#1\ -\ MPEG2\ \ 422HD\ +DolbyE\ -\ UPLINK\ \[SRSL\].ts -map 0:2 -c:a copy audio.ac3
it repeated the errors like this with process info poping up from time to time.

[mpegts @ 0x9732980] max resync size reached, could not find sync byte
Last message repeated 45 times
[mpegts @ 0x9732980] max resync size reached, could not find sync byte
Last message repeated 44 times
[mpegts @ 0x9732980] max resync size reached, could not find sync byte
Last message repeated 43 times
[mpegts @ 0x9732980] max resync size reached, could not find sync byte
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