On 25 July 2016 at 19:29, William Caulfield < [email protected]> wrote:
> On Mon, Jul 25, 2016 at 10:01 AM, Karl E. Fitzke <[email protected]> > wrote: > > > Might the metadata "stick" if you used .mov format (wrapper) for the mp4 > > instead of .mp4 extension in the command line? I'm no expert either, > but I > > believe that could be helpful to try. > > > > It would also work or "stick" in an MPEG2 Transport Stream. MXF, MOV and > MPG2TS are more robust wrappers than MP4. > > > > > > ________________________________ > > > > Suppose I have a media file composed by 1 video stream and 2 audio > > > > streams (both AAC). > > > > Is it possible to add metadata at the stream level, for each of the > > > > two audio? > > > > > > It most certainly is. But maybe the answer is that it depends. > > > Apparently the file format plays a part in this. > > > > > > > > > > -- > > [image: Inline image 1] > > *William Caulfield *| *ContentBridge Systems* > Product and Encoding Manager | www.contentbridge.tv > 445 N Douglas St |El Segundo | CA 90245 > > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > Hey folks, I have tried MKV, MOV and MPEGTS. Of the three, only MKV works, as reported by Peter. For the other 2, I get the very same result. Example of commands I have tried: ffmpeg-3.1.1 -i multi.mp4 -map 0:v -map 0:a -y -codec copy -metadata:s:a:0 title="Foo" -metadata:s:a:1 title="bar" multi3.mkv (WORKS) (probe output) Input #0, matroska,webm, from 'multi3.mkv': Metadata: COMPATIBLE_BRANDS: isomiso2avc1mp41 MAJOR_BRAND : isom MINOR_VERSION : 512 ENCODER : Lavf57.41.100 Duration: 00:05:00.08, start: 0.000000, bitrate: 3798 kb/s Stream #0:0: Video: h264 (Constrained Baseline), yuv420p, 2560x720 [SAR 1:1 DAR 32:9], 29.97 fps, 29.97 tbr, 1k tbn, 59.94 tbc (default) Metadata: HANDLER_NAME : VideoHandler DURATION : 00:05:00.023000000 Stream #0:1: Audio: aac (LC), 44100 Hz, stereo, fltp (default) Metadata: title : Foo HANDLER_NAME : SoundHandler DURATION : 00:05:00.077000000 Stream #0:2: Audio: aac (LC), 44100 Hz, stereo, fltp Metadata: title : bar HANDLER_NAME : SoundHandler DURATION : 00:05:00.077000000 ffmpeg-3.1.1 -i multi.mp4 -map 0:v -map 0:a -y -codec copy -metadata:s:a:0 title="Foo" -metadata:s:a:1 title="bar" multi3.mov (DOES NOT WORK) (probe output) Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'multi3.mov': Metadata: major_brand : qt minor_version : 512 compatible_brands: qt encoder : Lavf57.41.100 Duration: 00:05:00.08, start: 0.000000, bitrate: 3799 kb/s Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 2560x720 [SAR 1:1 DAR 32:9], 3664 kb/s, 29.97 fps, 29.97 tbr, 11988 tbn, 59.94 tbc (default) Metadata: handler_name : DataHandler Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s (default) Metadata: handler_name : DataHandler Stream #0:2(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 64 kb/s Metadata: handler_name : DataHandler ffmpeg-3.1.1 -i multi.mp4 -map 0:v -map 0:a -y -codec copy -metadata:s:a:0 title="Foo" -metadata:s:a:1 title="bar" multi3.ts (DOES NOT WORK) ffprobe version 3.1.1-tessus Copyright (c) 2007-2016 the FFmpeg developers built with Apple LLVM version 7.3.0 (clang-703.0.31) configuration: --prefix=/Users/adinapoli/ffmpeg-3.1.1/ffmpeg_build --extra-cflags=-I/Users/adinapoli/ffmpeg-3.1.1/ffmpeg_build/include --extra-ldflags=-L/Users/adinapoli/ffmpeg-3.1.1/ffmpeg_build/lib --bindir=/Users/adinapoli/ffmpeg-3.1.1/bin --extra-libs=-ldl --as=yasm --disable-debug --disable-ffplay --disable-indev=qtkit --disable-indev=x11grab_xcb --enable-avisynth --enable-avresample --enable-fontconfig --enable-frei0r --enable-gpl --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-nonfree --enable-pthreads --enable-shared --enable-vda --enable-version3 --extra-version=tessus libavutil 55. 28.100 / 55. 28.100 libavcodec 57. 48.101 / 57. 48.101 libavformat 57. 41.100 / 57. 41.100 libavdevice 57. 0.101 / 57. 0.101 libavfilter 6. 47.100 / 6. 47.100 libavresample 3. 0. 0 / 3. 0. 0 libswscale 4. 1.100 / 4. 1.100 libswresample 2. 1.100 / 2. 1.100 libpostproc 54. 0.100 / 54. 0.100 Input #0, mpegts, from 'multi3.ts': Duration: 00:05:00.02, start: 1.400000, bitrate: 4127 kb/s Program 1 Metadata: service_name : Service01 service_provider: FFmpeg Stream #0:0[0x100]: Video: h264 (Constrained Baseline) ([27][0][0][0] / 0x001B), yuv420p, 2560x720 [SAR 1:1 DAR 32:9], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc Stream #0:1[0x101](und): Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 66 kb/s Stream #0:2[0x102](und): Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, stereo, fltp, 64 kb/s Thanks for your help guys! _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
