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FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
The following options are mapped on the shared FFmpeg codec options. b. Set bit rate in bits/s. If the bitrate is not explicitly specified, it is automatically set to a suitable value depending on the selected profile. In case VBR mode is enabled the option is ignored. ar. Set audio sampling rate (in Hz). channels. Set the number of audio channels.
Audio MP2 encoding and decoding producing half data …
https://stackoverflow.com/questions/38238650/audio-mp2-encoding-and-decoding-producing-half-data-c-and-ffmpeg
PCM data grabbed by the microphone is 88320 bytes and the encoder takes 4608 bytes each time and compresses it. If I take each 4608 byte section that has been encoded and pass it through a decoder with the same settings as above but with a decoder. AVCodecID audio_codec_id = AV_CODEC_ID_MP2; AVCodec * audio_decodec = avcodec_find_decoder …
Audio Stream Specifier Need to Change for MP2 & MP3 - …
https://trac.ffmpeg.org/ticket/5388
In the standart, MPEG2 Audio need to have specifier of 0x04. However, in FFmpeg libavformat/mpegtsenc.c file in Line 310, the definition is: case AV_CODEC_ID_MP2: case AV_CODEC_ID_MP3: stream_type = STREAM_TYPE_AUDIO_MPEG1; Where in libavformat/mpegts.h STREAM_TYPE_AUDIO_MPEG1 defined as; At Line 47: #define …
FFmpeg Formats Documentation
https://ffmpeg.org/ffmpeg-formats.html
You can select the output format of each frame with ffmpeg by specifying the audio and video codec and format. For example to compute the CRC of the input audio converted to PCM unsigned 8-bit and the input video converted to MPEG-2 video, use the command: ffmpeg -i INPUT -c:a pcm_u8 -c:v mpeg2video -f crc -.
Sample format for mp2 audio channel is ... - FFmpeg
https://trac.ffmpeg.org/ticket/7321
The codec mp2 is heavily used in DVB, both cable and SAT. In particular DVB-Audio is based on mp2. Problem description: My DVB SAT receiver streams digital audio to my music server (Pi, ArchLinux, RuneAudio, mpd with ffmpeg plugin). After the upgrade of mpd to 0.20.21 and ffmpeg to 4.0.2 the sample format is detected as fltp instead of s16p.
Real-time MPEG-2 encoding with ffmpeg - smorgasbork
http://www.smorgasbork.com/2009/12/03/real-time-mpeg-2-encoding-with-ffmpeg/
ffmpeg’s mpeg2video encoder only supports “zero” and “epzs” as motion estimation methods; you could omit this option and go with the default, but as a word of warning, if you are outputting to one or more additional codecs (e.g. MPEG-4), you might be using another motion estimation method, and without an explicit motion estimation method specified for the …
FFmpeg: doc/examples/decoding_encoding.c
https://ffmpeg.org/doxygen/trunk/doc_2examples_2decoding__encoding_8c-example.html
Generated on Sun Dec 16 19:21:11 2012 for FFmpeg by 1.5.8 1.5.8
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