Hi, I am trying to specify a single mono channel to be named 'Center' when
viewed in Quicktime player, I know that technically specifying FC is mono, but
in my user case I need it to actually be named 'Center', not 'Mono'. Is there
someone who would kindly help me resolve this issue please, as I have searched
everywhere to keep this work inside of ffmpeg without having to resort to a 3rd
party application. I am used to applying ffmpeg patches, so if there is anyone
who could easily write a patch, that would be amazing and very much
appreciated.So I am specifying the 3rd audio channel to be labeled 'FC', so
when viewing the file in Quicktime player, I want it to be labeled as 'center',
not 'mono'. All the other channel labels are coming out named as I have
specified, so I just want the center to come out. Here is my code, you'll see
what I am trying to achieve:
ffmpeg -i /Users/kev/Movies/Test_descrete.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+DR|c0=c6|c1=c7[stereo]" \> -map v:0 \>
-map "[FL]" \> -map "[FR]" \> -map "[FC]" \> -map "[LFE]" \> -map "[BL]" \>
-map "[BR]" \> -map "[stereo]" \> -vcodec prores -profile:v 3 -vtag apcn -f mov
-y -c:a pcm_s24le /Users/kev/Movies/5_1_Sterero.movffmpeg 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. 3.100Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/Users/kev/Movies/Test_descrete.mov': Metadata: major_brand : qt
minor_version : 537199360 compatible_brands: qt creation_time :
2015-10-17 18:55:33 Duration: 00:01:58.04, start: 0.000000, bitrate: 170075
kb/s Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le,
1920x1080, 160844 kb/s, 24 fps, 24 tbr, 24 tbn, 24 tbc (default) Metadata:
creation_time : 2015-10-17 18:55:33 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 : 2015-10-17 19:13:26 handler_name : Apple Alias Data
Handler[Parsed_pan_6 @ 0x7f8d30419900] Pure channel mapping detected: 6
7[Parsed_pan_5 @ 0x7f8d304196c0] Pure channel mapping detected: 5[Parsed_pan_4
@ 0x7f8d304193c0] Pure channel mapping detected: 4[Parsed_pan_3 @
0x7f8d30419080] Pure channel mapping detected: 3[Parsed_pan_2 @ 0x7f8d30418d40]
Pure channel mapping detected: 2[Parsed_pan_1 @ 0x7f8d30418a20] Pure channel
mapping detected: 1[Parsed_pan_0 @ 0x7f8d304182c0] Pure channel mapping
detected: 0Output #0, mov, to '/Users/kev/Movies/5_1_Sterero.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 : 2015-10-17 18:55:33
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, downmix, s32, 2304 kb/s Metadata:
encoder : Lavc56.60.100 pcm_s24leStream 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 #0:0 -> #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)Press [q] to stop, [?] for helpframe= 14 fps=1.1 q=-0.0 size=
10567kB time=00:00:01.00 bitrate=86563.8kbitsframe= 26 fps=2.0 q=-0.0 size=
23341kB time=00:00:01.50 bitrate=127471.3kbitframe= 38 fps=2.8 q=-0.0 size=
36133kB time=00:00:02.00 bitrate=148002.7kbitframe= 49 fps=3.4 q=-0.0 size=
47881kB time=00:00:02.50 bitrate=156896.6kbitframe= 59 fps=4.0 q=-0.0 size=
58482kB time=00:00:02.52 bitrate=190012.1kbitframe= 70 fps=4.6 q=-0.0 size=
70029kB time=00:00:03.00 bitrate=191226.8kbitframe= 81 fps=5.1 q=-0.0 size=
81443kB time=00:00:03.50 bitrate=190623.1kbitframe= 92 fps=5.6 q=-0.0 size=
92871kB time=00:00:04.00 bitrate=190199.1kbitframe= 103 fps=6.1 q=-0.0 size=
104378kB time=00:00:04.50 bitrate=190015.0kbitframe= 115 fps=6.6 q=-0.0 size=
116801kB time=00:00:05.00 bitrate=191366.2kbitframe= 120 fps=6.8 q=-0.0
Lsize= 125425kB time=00:00:05.00 bitrate=205496.6kbits/s video:119787kB
audio:5625kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead:
0.010789%
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