[FFmpeg-user] amr_nb in mp4 container?
Andrew Randrianasulu
randrianasulu at gmail.com
Thu Feb 15 10:19:22 EET 2024
чт, 15 февр. 2024 г., 11:00 Andrew Randrianasulu <randrianasulu at gmail.com>:
>
>
> чт, 15 февр. 2024 г., 10:39 Ferdi Scholten <ferdi at sttc-nlp.nl>:
>
>> The AMR audio format is not specified as a valid audio format for the
>> mp4 container (see *ISO
>> <
>> https://en.wikipedia.org/wiki/International_Organization_for_Standardization>/IEC
>>
>> <https://en.wikipedia.org/wiki/International_Electrotechnical_Commission>
>>
>> 14496-14:2003)*. So managing to get it in does not mean it can be played
>> or transcoded by other software that conforms to the mp4 specifications.
>>
>> Should you want it to be registered as such, you can do that here:
>> https://mp4ra.org/request
>> You can find all officially supported codecs and other streams on that
>> site as well.
>>
>
> not sure if individuals can do anything about it?
>
> found this thread from 6 years ago
>
> https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-May/211446.html
>
anyway it does not mux correctly even in 3gp:
ffmpeg -i
/data/data/com.termux/files/home/storage/dcim/OpenCamera/VID_20240215_064913.mp4
-c:a copy -c:v copy vid-test.3gp
ffmpeg version 6.1.1 Copyright (c) 2000-2023 the
FFmpeg developers
built with Android (10552028, +pgo, +bolt, +lto, -mlgo, based on r487747d)
clang version 17.0.2 (
https://android.googlesource.com/toolchain/llvm-project
d9f89f4d16663d5012e5c09495f3b30ece3d2362) configuration: --arch=aarch64
--as=aarch64-linux-android-clang --cc=aarch64-linux-android-clang
--cxx=aarch64-linux-android-clang++ --nm=llvm-nm
--pkg-config=/home/builder/.termux-build/_cache/android-r26b-api-24-v1/bin/pkg-config
--strip=llvm-strip --cross-prefix=aarch64-linux-android- --disable-indevs
--disable-outdevs --enable-indev=lavfi --disable-static --disable-symver
--enable-cross-compile --enable-gnutls --enable-gpl --enable-version3
--enable-jni --enable-lcms2 --enable-libaom --enable-libass
--enable-libbluray --enable-libdav1d --enable-libfreetype --enable-libgme
--enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb
--enable-libopenmpt --enable-libopus --enable-librav1e --enable-libsoxr
--enable-libsrt --enable-libssh --enable-libsvtav1 --enable-libtheora
--enable-libv4l2 --enable-libvidstab --enable-libvo-amrwbenc
--enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
--enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg
--enable-mediacodec --enable-opencl --enable-shared
--prefix=/data/data/com.termux/files/usr --target-os=android
--extra-libs=-landroid-glob --disable-vulkan --enable-neon
--disable-libfdk-aac
libavutil 58. 29.100 / 58. 29.100
libavcodec 60. 31.102 / 60. 31.102
libavformat 60. 16.100 / 60. 16.100
libavdevice 60. 3.100 / 60. 3.100
libavfilter 9. 12.100 / 9. 12.100
libswscale 7. 5.100 / 7. 5.100
libswresample 4. 12.100 / 4. 12.100
libpostproc 57. 3.100 / 57. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from
'/data/data/com.termux/files/home/storage/dcim/OpenCamera/VID_20240215_064913.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2024-02-15T03:54:16.000000Z
com.android.version: 11
Duration: 00:05:02.04, start:
0.000000, bitrate: 585 kb/s
Stream #0:0[0x1](eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709, progressive), 640x480,
562 kb/s, SAR 1:1 DAR 4:3, 19.93 fps, 60 tbr, 90k tbn (default)
Metadata:
creation_time : 2024-02-15T03:54:16.000000Z
handler_name :
VideoHandle
vendor_id : [0][0][0][0]
Stream #0:1[0x2](eng): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono,
fltp, 12 kb/s (default) Metadata:
creation_time :
2024-02-15T03:54:16.000000Z
handler_name : SoundHandle
vendor_id : [0][0][0][0]
[3gp @ 0xb40000789b073d70]
track 1: codec frame size is not set
Output #0, 3gp, to 'vid-test.3gp':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
com.android.version: 11
encoder :
Lavf60.16.100
Stream #0:0(eng): Video: h264 (Constrained Baseline) (avc1 /
0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709, progressive), 640x480
[SAR 1:1 DAR 4:3], q=2-31, 562 kb/s, 19.93 fps, 60 tbr, 90k tbn (default)
Metadata:
creation_time : 2024-02-15T03:54:16.000000Z
handler_name : VideoHandle
vendor_id : [0][0][0][0]
Stream #0:1(eng): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono, fltp,
12 kb/s (default) Metadata:
creation_time :
2024-02-15T03:54:16.000000Z
handler_name : SoundHandle
vendor_id : [0][0][0][0]
Stream mapping:
Stream #0:0 -> #0:0 (copy)
Stream
#0:1 -> #0:1 (copy)
Press [q] to stop, [?] for help
[3gp @ 0xb40000789b073d70] fatal error, input is not a single packet,
implement a AVParser for it [vost#0:0/copy @ 0xb40000789b0730f0] Error
submitting a packet to the muxer: Operation not permitted
[out#0/3gp @ 0xb40000784b074350] Error muxing a packet
[3gp @ 0xb40000789b073d70] fatal error, input is not a single packet,
implement a AVParser for it [out#0/3gp @ 0xb40000784b074350] Error writing
trailer: Operation not permitted
[out#0/3gp @ 0xb40000784b074350] video:27kB audio:2kB subtitle:0kB other
streams:0kB global headers:0kB muxing overhead: unknown
size= 0kB
time=00:00:01.18 bitrate= 1.1kbits/s speed= 296x
Conversion failed!
====
so, bug?
>
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