On Wed, Jan 15, 2020 at 21:43:47 -0500, Andrew Brezovsky wrote: > However, ffmpeg seems to be discarding the handler_name field and replacing > it with a generic "SoundHandler" value.
I can't reproduce, at least not with my command line. > Here is the command I'm trying to use: > ffmpeg -i mystery_source.mp4 -map 0 -map_metadata 0 -c copy -metadata:s:a:0 > handler_name="Stereo" mystery.mp4 > > Here is the output: https://pastebin.com/r8kgt7Ny Please post that right to the list in future mails. > ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg > developers This version is quite old, please try a newer one. You can grab a static binary for your platform from https://johnvansickle.com/ffmpeg/ (left column, "git master", please) and retry with that. Here's my input, my conversion, and its output, just to show it apparently works, changing stream 0:2's handler_name from "Surround 5.1" to "Stereo": barsnick@sunshine:/usr/new/tools/video/ffmpeg/ffmpeg-snapshot-2020-01-12 > ffmpeg -i ~/tmp/handler_name.mp4 ffmpeg version N-96334-g1a7f4a1 Copyright (c) 2000-2020 the FFmpeg developers built with icc (ICC) 14.0.3 20140422 configuration: --prefix=/usr/new/tools/video/install/ffmpeg/2020-01-12 --cc=icc --cxx=icpc --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-gnu tls --enable-libcdio --enable-libfreetype --enable-libx264 --enable-libvpx --enable-libmp3lame --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --ena ble-libtwolame --enable-librtmp --enable-libass --enable-libv4l2 --enable-libvidstab --enable-libfdk-aac --enable-libsmbclient --enable-libzvbi --enable-libtesseract --en able-libzmq --enable-libopus --enable-libcodec2 --enable-libxml2 --enable-libopencv libavutil 56. 38.100 / 56. 38.100 libavcodec 58. 65.103 / 58. 65.103 libavformat 58. 35.102 / 58. 35.102 libavdevice 58. 9.103 / 58. 9.103 libavfilter 7. 71.100 / 7. 71.100 libswscale 5. 6.100 / 5. 6.100 libswresample 3. 6.100 / 3. 6.100 libpostproc 55. 6.100 / 55. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/barsnick/tmp/handler_name.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.35.102 Duration: 00:00:02.02, start: 0.000000, bitrate: 423 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 270 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default) Metadata: handler_name : Video Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default) Metadata: handler_name : Surround 2.0 Stream #0:2(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s Metadata: handler_name : Surround 5.1 At least one output file must be specified barsnick@sunshine:/usr/new/tools/video/ffmpeg/ffmpeg-snapshot-2020-01-12 > ffmpeg -i ~/tmp/handler_name.mp4 -map 0 -map_metadata 0 -c copy -metadata:s:a:1 handler_name="Stereo" ~/tmp/handler_name.2.mp4 ffmpeg version N-96334-g1a7f4a1 Copyright (c) 2000-2020 the FFmpeg developers built with icc (ICC) 14.0.3 20140422 configuration: --prefix=/usr/new/tools/video/install/ffmpeg/2020-01-12 --cc=icc --cxx=icpc --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-gnutls --enable-libcdio --enable-libfreetype --enable-libx264 --enable-libvpx --enable-libmp3lame --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtwolame --enable-librtmp --enable-libass --enable-libv4l2 --enable-libvidstab --enable-libfdk-aac --enable-libsmbclient --enable-libzvbi --enable-libtesseract --enable-libzmq --enable-libopus --enable-libcodec2 --enable-libxml2 --enable-libopencv libavutil 56. 38.100 / 56. 38.100 libavcodec 58. 65.103 / 58. 65.103 libavformat 58. 35.102 / 58. 35.102 libavdevice 58. 9.103 / 58. 9.103 libavfilter 7. 71.100 / 7. 71.100 libswscale 5. 6.100 / 5. 6.100 libswresample 3. 6.100 / 3. 6.100 libpostproc 55. 6.100 / 55. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/barsnick/tmp/handler_name.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.35.102 Duration: 00:00:02.02, start: 0.000000, bitrate: 423 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 270 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default) Metadata: handler_name : Video Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default) Metadata: handler_name : Surround 2.0 Stream #0:2(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s Metadata: handler_name : Surround 5.1 File '/home/barsnick/tmp/handler_name.2.mp4' already exists. Overwrite? [y/N] y Output #0, mp4, to '/home/barsnick/tmp/handler_name.2.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.35.102 Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], q=2-31, 270 kb/s, 25 fps, 25 tbr, 12800 tbn, 12800 tbc (default) Metadata: handler_name : Video Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default) Metadata: handler_name : Surround 2.0 Stream #0:2(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s Metadata: handler_name : Stereo Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1 -> #0:1 (copy) Stream #0:2 -> #0:2 (copy) Press [q] to stop, [?] for help frame= 50 fps=0.0 q=-1.0 Lsize= 104kB time=00:00:01.98 bitrate= 431.2kbits/s speed= 411x video:66kB audio:34kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 4.128972% barsnick@sunshine:/usr/new/tools/video/ffmpeg/ffmpeg-snapshot-2020-01-12 > ffmpeg -i ~/tmp/handler_name.2.mp4 ffmpeg version N-96334-g1a7f4a1 Copyright (c) 2000-2020 the FFmpeg developers built with icc (ICC) 14.0.3 20140422 configuration: --prefix=/usr/new/tools/video/install/ffmpeg/2020-01-12 --cc=icc --cxx=icpc --enable-gpl --enable-version3 --enable-nonfree --disable-shared --enable-gnu tls --enable-libcdio --enable-libfreetype --enable-libx264 --enable-libvpx --enable-libmp3lame --enable-openal --enable-libopencore-amrnb --enable-libopencore-amrwb --ena ble-libtwolame --enable-librtmp --enable-libass --enable-libv4l2 --enable-libvidstab --enable-libfdk-aac --enable-libsmbclient --enable-libzvbi --enable-libtesseract --en able-libzmq --enable-libopus --enable-libcodec2 --enable-libxml2 --enable-libopencv libavutil 56. 38.100 / 56. 38.100 libavcodec 58. 65.103 / 58. 65.103 libavformat 58. 35.102 / 58. 35.102 libavdevice 58. 9.103 / 58. 9.103 libavfilter 7. 71.100 / 7. 71.100 libswscale 5. 6.100 / 5. 6.100 libswresample 3. 6.100 / 3. 6.100 libpostproc 55. 6.100 / 55. 6.100 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/barsnick/tmp/handler_name.2.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: isomiso2avc1mp41 encoder : Lavf58.35.102 Duration: 00:00:02.02, start: 0.000000, bitrate: 423 kb/s Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 320x240 [SAR 1:1 DAR 4:3], 270 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default) Metadata: handler_name : Video Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s (default) Metadata: handler_name : Surround 2.0 Stream #0:2(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 69 kb/s Metadata: handler_name : Stereo At least one output file must be specified Cheers, Moritz _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
