[FFmpeg-user] Channel layout flags

Kevin Wells kevwells at hotmail.co.uk
Tue Oct 20 22:14:31 CEST 2015


Hi, I posted this incorrectly on the dev list, so posting in the correct place with corrections.
I am looking for a patch, or solution, to my problem. When using the below Channel layout flags, in the resulting Quicktime Prores file, in the audio channels, the FC, DL and DR all come out flagged as 'Mono', but I would like these flagged as 'Center', 'Left Total' and 'Right Total'. Is there a patch / command / flag to get these flagged to how I label them please?

Here is my current command: 

ffmpeg -i /Volumes/GRAID/EXPORTS/DESCRETE_TEST.mov -ss 45 -to 50 -filter_complex \
"[0:1]pan=FL|c0=c0[FL]; \
 [0:1]pan=FR|c0=c1[FR]; \
 [0:1]pan=FC|c0=c2[FC]; \
 [0:1]pan=LFE|c0=c3[LFE]; \
 [0:1]pan=BL|c0=c4[BL]; \
 [0:1]pan=BR|c0=c5[BR]; \
 [0:1]pan=DL|c0=c6[DL]; \
 [0:1]pan=DR|c0=c7[DR]" \
-map v:0 \
-map "[FL]" \
-map "[FR]" \
-map "[FC]" \
-map "[LFE]" \
-map "[BL]" \
-map "[BR]" \
-map "[DL]" \
-map "[DR]" \
-vcodec prores -profile:v 3 -vtag apcn -f mov -y -c:a pcm_s24le /Volumes/GRAID/EXPORTS/DONE_TEST.mov

When viewing the result in Quicktime player, they are displayed as: 

Video
Front Left
Front Right
Mono (would like it to be Center)
Left Surround
Right Surround
Mono (would like it to be Left Total)
Mono (would like it to be Right Total)
Below is the ffmpeg output. 

ffmpeg -i /Volumes/GRAID/EXPORTS/DESCRETE_TEST.mov -ss 45 -to 50 -filter_complex \
> "[0:1]pan=FL|c0=c0[FL]; \
>  [0:1]pan=FR|c0=c1[FR]; \
>  [0:1]pan=FC|c0=c2[FC]; \
>  [0:1]pan=LFE|c0=c3[LFE]; \
>  [0:1]pan=BL|c0=c4[BL]; \
>  [0:1]pan=BR|c0=c5[BR]; \
>  [0:1]pan=DL|c0=c6[DL]; \
>  [0:1]pan=DR|c0=c7[DR]" \
> -map v:0 \
> -map "[FL]" \
> -map "[FR]" \
> -map "[FC]" \
> -map "[LFE]" \
> -map "[BL]" \
> -map "[BR]" \
> -map "[DL]" \
> -map "[DR]" \
> -vcodec prores -profile:v 3 -vtag apcn -f mov -y -c:a pcm_s24le /Volumes/GRAID/EXPORTS/DONE_TEST.mov
ffmpeg version 2.8.1-tessus Copyright (c) 2000-2015 the FFmpeg developers
  built with Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn)
  configuration: --cc=/usr/bin/clang --prefix=/opt/ffmpeg --as=yasm --extra-version=tessus --enable-avisynth --enable-fontconfig --enable-gpl --enable-libass --enable-libbluray --enable-libfreetype --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzmq --enable-version3 --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/Volumes/GRAID/EXPORTS/DESCRETE_TEST.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    creation_time   : 2015-10-20 14:25:55
  Duration: 00:01:37.08, start: 0.000000, bitrate: 160894 kb/s
    Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le, 1920x1080, 151675 kb/s, 24 fps, 24 tbr, 24 tbn, 24 tbc (default)
    Metadata:
      creation_time   : 2015-10-20 14:25:55
      handler_name    : Apple Alias Data Handler
      encoder         : Apple ProRes 422 HQ
    Stream #0:1(eng): Audio: pcm_s24le (lpcm / 0x6D63706C), 48000 Hz, 8 channels (FL+FR+FC+LFE+SL+SR+DL+DR), s32 (24 bit), 9216 kb/s (default)
    Metadata:
      creation_time   : 2015-10-20 14:28:55
      handler_name    : Apple Alias Data Handler
[Parsed_pan_7 @ 0x7fe7d1e05dc0] Pure channel mapping detected: 7
[Parsed_pan_6 @ 0x7fe7d1e05b60] Pure channel mapping detected: 6
[Parsed_pan_5 @ 0x7fe7d1e05860] Pure channel mapping detected: 5
[Parsed_pan_4 @ 0x7fe7d1e05580] Pure channel mapping detected: 4
[Parsed_pan_3 @ 0x7fe7d1e05280] Pure channel mapping detected: 3
[Parsed_pan_2 @ 0x7fe7d1e04f80] Pure channel mapping detected: 2
[Parsed_pan_1 @ 0x7fe7d1e04ba0] Pure channel mapping detected: 1
[Parsed_pan_0 @ 0x7fe7d1e048c0] Pure channel mapping detected: 0
Output #0, mov, to '/Volumes/GRAID/EXPORTS/DONE_TEST.mov':
  Metadata:
    major_brand     : qt  
    minor_version   : 537199360
    compatible_brands: qt  
    encoder         : Lavf56.40.101
    Stream #0:0(eng): Video: prores (apch) (apch / 0x68637061), yuv422p10le, 1920x1080, q=2-31, 200 kb/s, 24 fps, 12288 tbn, 24 tbc (default)
    Metadata:
      creation_time   : 2015-10-20 14:25:55
      handler_name    : Apple Alias Data Handler
      encoder         : Lavc56.60.100 prores
    Stream #0:1: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (FL), s32, 1152 kb/s (default)
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:2: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (FR), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:3: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, mono, s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:4: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (LFE), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:5: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (BL), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:6: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (BR), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:7: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (DL), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
    Stream #0:8: Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1 channels (DR), s32, 1152 kb/s
    Metadata:
      encoder         : Lavc56.60.100 pcm_s24le
Stream mapping:
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:1 (pcm_s24le) -> pan (graph 0)
  Stream #0:0 -> #0:0 (prores (native) -> prores (native))
  pan (graph 0) -> Stream #0:1 (pcm_s24le)
  pan (graph 0) -> Stream #0:2 (pcm_s24le)
  pan (graph 0) -> Stream #0:3 (pcm_s24le)
  pan (graph 0) -> Stream #0:4 (pcm_s24le)
  pan (graph 0) -> Stream #0:5 (pcm_s24le)
  pan (graph 0) -> Stream #0:6 (pcm_s24le)
  pan (graph 0) -> Stream #0:7 (pcm_s24le)
  pan (graph 0) -> Stream #0:8 (pcm_s24le)
Press [q] to stop, [?] for help
[pcm_s24le @ 0x7fe7d3007c00] not writing 'chan' tag due to lack of channel information 
[pcm_s24le @ 0x7fe7d3010a00] not writing 'chan' tag due to lack of channel information
frame=  120 fps=7.4 q=-0.0 Lsize=  129110kB time=00:00:05.00 bitrate=211534.5kbits/s    
video:123470kB audio:5625kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.011760%

 		 	   		  


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