Le 27/01/2019 à 16:53, Carl Eugen Hoyos a écrit :
2019-01-27 16:44 GMT+01:00, pehache <pehach...@gmail.com>:
I used to apply a Dolby Pro Logic II encoding this way :
Actual command line and complete, uncut console output missing.
OK
ffmpeg -i test.mkv -map 0:1 -c:a aac -b:a 256k -af
aresample=matrix_encoding=dplii -t 300 a.m4a
ffmpeg version 4.1 Copyright (c) 2000-2018 the FFmpeg developers
built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
configuration: --prefix=/opt/local --enable-swscale --enable-avfilter
--enable-avresample --enable-libmp3lame --enable-libvorbis
--enable-libopus --enable-librsvg --enable-libtheora
--enable-libopenjpeg --enable-libmodplug --enable-libvpx
--enable-libsoxr --enable-libspeex --enable-libass --enable-libbluray
--enable-lzma --enable-gnutls --enable-fontconfig --enable-libfreetype
--enable-libfribidi --disable-libjack --disable-libopencore-amrnb
--disable-libopencore-amrwb --disable-indev=jack --enable-opencl
--disable-outdev=xv --enable-audiotoolbox --enable-videotoolbox
--enable-sdl2 --disable-securetransport --mandir=/opt/local/share/man
--enable-shared --enable-pthreads --cc=/usr/bin/clang --arch=x86_64
--enable-x86asm --enable-libx265 --enable-gpl --enable-postproc
--enable-libx264 --enable-libxvid
libavutil 56. 22.100 / 56. 22.100
libavcodec 58. 35.100 / 58. 35.100
libavformat 58. 20.100 / 58. 20.100
libavdevice 58. 5.100 / 58. 5.100
libavfilter 7. 40.101 / 7. 40.101
libavresample 4. 0. 0 / 4. 0. 0
libswscale 5. 3.100 / 5. 3.100
libswresample 3. 3.100 / 3. 3.100
libpostproc 55. 3.100 / 55. 3.100
[matroska,webm @ 0x7faa6f800000] Could not find codec parameters for
stream 7 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[matroska,webm @ 0x7faa6f800000] Could not find codec parameters for
stream 8 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
[matroska,webm @ 0x7faa6f800000] Could not find codec parameters for
stream 9 (Subtitle: hdmv_pgs_subtitle (pgssub)): unspecified size
Consider increasing the value for the 'analyzeduration' and 'probesize'
options
Input #0, matroska,webm, from 'test.mkv':
Metadata:
CREATION_TIME : 2019-01-02T11:26:09Z
ENCODER : Lavf57.7.2
Duration: 03:53:49.29, start: 0.000000, bitrate: 3710 kb/s
Chapter #0:0: start 0.000000, end 301.051000
Metadata:
title : Main Title; a Wounded Man
Chapter #0:1: start 301.051000, end 706.664000
Metadata:
title : St. David's Field, Tennessee
Chapter #0:2: start 706.664000, end 1219.760000
Metadata:
title : Fort Hayes
Chapter #0:3: start 1219.760000, end 1601.350000
Metadata:
title : Journey to the Furthermost Outpost
Chapter #0:4: start 1601.350000, end 2170.168000
Metadata:
title : Clean-Up Duty
Chapter #0:5: start 2170.168000, end 2539.620000
Metadata:
title : The Ruthless Pawnee
Chapter #0:6: start 2539.620000, end 2842.381000
Metadata:
title : Contact with the Sioux
Chapter #0:7: start 2842.381000, end 3170.626000
Metadata:
title : Riding Out to the Indians
Chapter #0:8: start 3170.626000, end 3414.036000
Metadata:
title : Meeting with the White Man
Chapter #0:9: start 3414.036000, end 3837.208000
Metadata:
title : Stands with a Fist (Christine)
Chapter #0:10: start 3837.208000, end 4189.352000
Metadata:
title : Invited to the Village
Chapter #0:11: start 4189.352000, end 4307.595000
Metadata:
title : The Buffalo Return
Chapter #0:12: start 4307.595000, end 4798.961000
Metadata:
title : The Hunt
Chapter #0:13: start 4798.961000, end 5133.754000
Metadata:
title : A Good Trade
Chapter #0:14: start 5133.754000, end 5552.922000
Metadata:
title : Dances with Wolves
Chapter #0:15: start 5552.922000, end 6113.065000
Metadata:
title : Bestowed a Great Honor
Chapter #0:16: start 6113.065000, end 6824.234000
Metadata:
title : Falling in Love
Chapter #0:17: start 6824.234000, end 6977.262000
Metadata:
title : Attack of the Pawnee
Chapter #0:18: start 6977.262000, end 7472.048000
Metadata:
title : Told to Mourn No More
Chapter #0:19: start 7472.048000, end 7984.226000
Metadata:
title : Like the Stars
Chapter #0:20: start 7984.226000, end 8334.117000
Metadata:
title : Retrieving the Journal
Chapter #0:21: start 8334.117000, end 8854.846000
Metadata:
title : Do You Salute Him or Shoot Him?
Chapter #0:22: start 8854.846000, end 9489.105000
Metadata:
title : A Little Help From Friends
Chapter #0:23: start 9489.105000, end 9740.814000
Metadata:
title : Leaving for the Good of the Tribe
Chapter #0:24: start 9740.814000, end 10382.330000
Metadata:
title : End Credits
Chapter #0:25: start 10382.330000, end 11039.695000
Metadata:
title : Permission to Love
Chapter #0:26: start 11039.695000, end 11595.709000
Metadata:
title : The Most Important Trail
Chapter #0:27: start 11595.709000, end 12056.044000
Metadata:
title : "Turned Injun, Didn'cha?"
Chapter #0:28: start 12056.044000, end 12454.067000
Metadata:
title : Traitor Status
Chapter #0:29: start 12454.067000, end 12937.341000
Metadata:
title : Wolves and Other Animals
Chapter #0:30: start 12937.341000, end 13705.317000
Metadata:
title : Parting Gifts
Chapter #0:31: start 13705.317000, end 14029.224000
Metadata:
title : Epilogue/Credits
Stream #0:0: Video: h264 (High), yuv420p(tv, bt709, progressive),
1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 1k tbn, 180k tbc
(default)
Stream #0:1(fre): Audio: aac, 48000 Hz, 5.1, fltp (default)
Metadata:
title : Surround
Stream #0:2(eng): Audio: aac (LC), 48000 Hz, 5.1, fltp
Metadata:
title : Surround
Stream #0:3(eng): Audio: aac (LC), 48000 Hz, stereo, fltp
Metadata:
title : Stereo
Stream #0:4(eng): Audio: aac (LC), 48000 Hz, stereo, fltp
Metadata:
title : Stereo
Stream #0:5(fre): Subtitle: ass
Stream #0:6(fre): Subtitle: ass
Stream #0:7(fre): Subtitle: hdmv_pgs_subtitle
Stream #0:8(eng): Subtitle: hdmv_pgs_subtitle
Stream #0:9(eng): Subtitle: hdmv_pgs_subtitle
File 'a.m4a' already exists. Overwrite ? [y/N] y
Stream mapping:
Stream #0:1 -> #0:0 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
Output #0, ipod, to 'a.m4a':
Metadata:
encoder : Lavf58.20.100
Chapter #0:0: start 0.000000, end 300.000000
Metadata:
title : Main Title; a Wounded Man
Stream #0:0(fre): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz,
5.1, fltp, 256 kb/s (default)
Metadata:
title : Surround
encoder : Lavc58.35.100 aac
size= 8713kB time=00:05:00.00 bitrate= 237.9kbits/s speed=27.4x
video:0kB audio:8659kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.617218%
[aac @ 0x7faa71046200] Qavg: 3048.077
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