[FFmpeg-user] problem transcoding raw g729 to wav format
ananth123
86ananth at gmail.com
Mon Aug 20 20:20:03 EEST 2018
302001014794094.wav
<http://www.ffmpeg-archive.org/file/t378828/302001014794094.wav>
File is attached here.
Ananths-MacBook-Pro:speechtotext ananth$ ffmpeg -i 302001014794094.wav
ffmpeg version 3.3.3 Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 8.1.0 (clang-802.0.42)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.3 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags=
--enable-libass --enable-libmp3lame --enable-libtheora --enable-libvorbis
--enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl
--enable-videotoolbox --enable-openssl --disable-lzma --enable-nonfree
--enable-vda
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libavresample 3. 5. 0 / 3. 5. 0
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
[wav @ 0x7f8010004800] ignoring wrong sample_count 1165360
[g729 @ 0x7f8010809200] Only mono sound is supported (requested channels:
2).
[wav @ 0x7f8010004800] Failed to open codec in avformat_find_stream_info
[g729 @ 0x7f8010809200] Only mono sound is supported (requested channels:
2).
[wav @ 0x7f8010004800] Estimating duration from bitrate, this may be
inaccurate
Guessed Channel Layout for Input Stream #0.0 : stereo
Input #0, wav, from '302001014794094.wav':
Duration: 00:02:25.67, bitrate: 16 kb/s
Stream #0:0: Audio: g729 ([131][0][0][0] / 0x0083), 8000 Hz, stereo, 16
kb/s
At least one output file must be specified
When i run
Ananths-MacBook-Pro:speechtotext ananth$ ffmpeg -loglevel debug -y -acodec
g729 -f g729 -i 302001014794094.wav -ar 8000 -acodec pcm_s16le -f wav
output.wav
ffmpeg version 3.3.3 Copyright (c) 2000-2017 the FFmpeg developers
built with Apple LLVM version 8.1.0 (clang-802.0.42)
configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.3 --enable-shared
--enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables
--enable-avresample --cc=clang --host-cflags= --host-ldflags=
--enable-libass --enable-libmp3lame --enable-libtheora --enable-libvorbis
--enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl
--enable-videotoolbox --enable-openssl --disable-lzma --enable-nonfree
--enable-vda
libavutil 55. 58.100 / 55. 58.100
libavcodec 57. 89.100 / 57. 89.100
libavformat 57. 71.100 / 57. 71.100
libavdevice 57. 6.100 / 57. 6.100
libavfilter 6. 82.100 / 6. 82.100
libavresample 3. 5. 0 / 3. 5. 0
libswscale 4. 6.100 / 4. 6.100
libswresample 2. 7.100 / 2. 7.100
libpostproc 54. 5.100 / 54. 5.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging
level) with argument 'debug'.
Reading option '-y' ... matched as option 'y' (overwrite output files) with
argument '1'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec
('copy' to copy stream)) with argument 'g729'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'g729'.
Reading option '-i' ... matched as input url with argument
'302001014794094.wav'.
Reading option '-ar' ... matched as option 'ar' (set audio sampling rate (in
Hz)) with argument '8000'.
Reading option '-acodec' ... matched as option 'acodec' (force audio codec
('copy' to copy stream)) with argument 'pcm_s16le'.
Reading option '-f' ... matched as option 'f' (force format) with argument
'wav'.
Reading option 'output.wav' ... matched as output url.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Applying option y (overwrite output files) with argument 1.
Successfully parsed a group of options.
Parsing a group of options: input url 302001014794094.wav.
Applying option acodec (force audio codec ('copy' to copy stream)) with
argument g729.
Applying option f (force format) with argument g729.
Successfully parsed a group of options.
Opening an input file: 302001014794094.wav.
[g729 @ 0x7fbe8d803400] Opening '302001014794094.wav' for reading
[file @ 0x7fbe8d50f060] Setting default whitelist 'file,crypto'
[g729 @ 0x7fbe8d803400] Before avformat_find_stream_info() pos: 0 bytes
read:32768 seeks:0 nb_streams:1
[g729 @ 0x7fbe8d803400] All info found
[g729 @ 0x7fbe8d803400] Estimating duration from bitrate, this may be
inaccurate
[g729 @ 0x7fbe8d803400] After avformat_find_stream_info() pos: 10 bytes
read:32768 seeks:0 frames:1
Guessed Channel Layout for Input Stream #0.0 : mono
Input #0, g729, from '302001014794094.wav':
Duration: 00:04:51.45, start: 0.000000, bitrate: 8 kb/s
Stream #0:0, 1, 1/8000: Audio: g729, 8000 Hz, mono, s16
Successfully opened the file.
Parsing a group of options: output url output.wav.
Applying option ar (set audio sampling rate (in Hz)) with argument 8000.
Applying option acodec (force audio codec ('copy' to copy stream)) with
argument pcm_s16le.
Applying option f (force format) with argument wav.
Successfully parsed a group of options.
Opening an output file: output.wav.
[file @ 0x7fbe8d510b60] Setting default whitelist 'file,crypto'
Successfully opened the file.
Stream mapping:
Stream #0:0 -> #0:0 (g729 (native) -> pcm_s16le (native))
Press [q] to stop, [?] for help
cur_dts is invalid (this is harmless if it occurs once at the start per
stream)
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
detected 4 logical cores
[graph_0_in_0_0 @ 0x7fbe8d5111e0] Setting 'time_base' to value '1/8000'
[graph_0_in_0_0 @ 0x7fbe8d5111e0] Setting 'sample_rate' to value '8000'
[graph_0_in_0_0 @ 0x7fbe8d5111e0] Setting 'sample_fmt' to value 's16'
[graph_0_in_0_0 @ 0x7fbe8d5111e0] Setting 'channel_layout' to value '0x4'
[graph_0_in_0_0 @ 0x7fbe8d5111e0] tb:1/8000 samplefmt:s16 samplerate:8000
chlayout:0x4
[format_out_0_0 @ 0x7fbe8d511760] Setting 'sample_fmts' to value 's16'
[format_out_0_0 @ 0x7fbe8d511760] Setting 'sample_rates' to value '8000'
[AVFilterGraph @ 0x7fbe8d511000] query_formats: 4 queried, 9 merged, 0
already done, 0 delayed
Output #0, wav, to 'output.wav':
Metadata:
ISFT : Lavf57.71.100
Stream #0:0, 0, 1/8000: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 8000
Hz, mono, s16, 128 kb/s
Metadata:
encoder : Lavc57.89.100 pcm_s16le
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 5214 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 38 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 1 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 1410 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 700 times
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/ss/s speed=1.86x
Last message repeated 5402 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 1404 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 687 times
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/ss/s speed=1.87x
Last message repeated 2916 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 306 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 3475 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 904 times
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/ss/s speed=1.88x
Last message repeated 2321 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 1014 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 679 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 808 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 14 times
[g729 @ 0x7fbe8d814c00] pitch_delay_int 144 is too large
[g729 @ 0x7fbe8d814c00] Packet type: G.729 @ 8kbit/s
Last message repeated 1833 times
[g729 @ 0x7fbe8d814c00] Packet size 4 is unknown.
Error while decoding stream #0:0: Invalid data found when processing input
[out_0_0 @ 0x7fbe8d5113e0] EOF on sink link out_0_0:default.
No more output streams to write to, finishing.
size= 4554kB time=00:00:03.65 bitrate=10212.5kbits/s speed=1.85x
video:0kB audio:4554kB subtitle:0kB other streams:0kB global headers:0kB
muxing overhead: 0.001673%
Input file #0 (302001014794094.wav):
Input stream #0:0 (audio): 29146 packets read (291454 bytes); 29145 frames
decoded (2331600 samples);
Total: 29146 packets (291454 bytes) demuxed
Output file #0 (output.wav):
Output stream #0:0 (audio): 29145 frames encoded (2331600 samples); 29145
packets muxed (4663200 bytes);
Total: 29145 packets (4663200 bytes) muxed
29145 frames successfully decoded, 1 decoding errors
[AVIOContext @ 0x7fbe8d400260] Statistics: 4 seeks, 29148 writeouts
[AVIOContext @ 0x7fbe8d50f1c0] Statistics: 291454 bytes read, 0 seeks
I get an audio file double in time of the original with some junk output.
I guess I am doing something wrong but unable to figure out the mistake
--
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