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FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
An FFmpeg native decoder for AMR-WB exists, so users can decode AMR-WB without this library. 5.9 libopus. libopus decoder wrapper. libopus allows libavcodec to decode the Opus Interactive Audio Codec. Requires the presence of the libopus headers and library during configuration. You need to explicitly configure the build with --enable-libopus.
General Documentation - FFmpeg
https://ffmpeg.org/general.html
FFmpeg can make use of the Fraunhofer AAC library for AAC decoding & encoding. Go to http://sourceforge.net/projects/opencore-amr/ and follow the instructions for installing the library. Then pass --enable-libfdk-aac to configure to enable it. 1.17 OpenH264. FFmpeg can make use of the OpenH264 library for H.264 decoding and encoding.
AMR to MP3 conversion with FFMPEG - Stack Overflow
https://stackoverflow.com/questions/4763080/amr-to-mp3-conversion-with-ffmpeg
Converting AMR to MP3 using FFMPEG. ffmpeg -i audio1.amr -ar 22050 audio1.mp3 This will convert audio1.amr file to audio1.mp3 having audio rate 22.05 Khz
[SOLVED] ffmpeg unsupported codec amr [Archive] - …
https://ubuntuforums.org/archive/index.php/t-1961328.html
I followed the instructions on this page: http://ubuntuforums.org/showpost.php?p=9868359&postcount=1289 and now ffmpeg can use the amr codec: ffmpeg -i file.amr file.wavworks. In the new version, use: ffmpeg -codecs and not ffmpeg -formats to display available codecs.
FFmpeg codecs · GitHub
https://gist.github.com/viking/1933304
EA libfaac libfaac AAC (Advanced Audio Codec) EA libmp3lame libmp3lame MP3 (MPEG audio layer 3) DEA D libopencore_amrnb OpenCORE Adaptive Multi-Rate (AMR) Narrow-Band: D A D libopencore_amrwb OpenCORE Adaptive Multi-Rate (AMR) Wide-Band: EV libtheora libtheora Theora: EA libvorbis libvorbis Vorbis
ios - Decode AMR to AAC using libav (ffmpeg) - Stack …
https://stackoverflow.com/questions/6278515/decode-amr-to-aac-using-libav-ffmpeg
For all I know, iOS 4.3 doesn't support AMR frames to play it with AudioQueue output. I receive AVPacket instance from RTSP server as AMR frame. I'm trying to make two methods to decode AMR into raw buffer and then encode it into AAC. I've found example code of using LIBAV to perform this operation but faced with problem. There are my methods:
Transcoding from amr to flac using JAVE (ffmpeg) - …
https://stackoverflow.com/questions/10297634/transcoding-from-amr-to-flac-using-jave-ffmpeg
I want to transcode amr audio files to flac using JAVE which uses ffmpeg. The transcoding procedure runs successfully on Windows but fails on Linux (centOS). I checked the JAVE code and found it uses the following command: ffmpeg -i 1.amr -vn -acodec flac -ac 1 -ar 8000 -f flac -y 1.flac the output is:
Comparison of audio coding formats - Wikipedia
https://en.wikipedia.org/wiki/Comparison_of_audio_coding_formats
FFmpeg (decoding only for Pro, Lossless and Voice) internet streaming Yes No Yes Yes Optional: Audio compression format Creator First public release date Latest stable version Encoder Player Proprietary implementations (codecs) Open-source implementations (codecs) Uses (other than consumer audio) Music reproduction (consumer audio) Telephony app
FFmpeg
News January 17th, 2022, FFmpeg 5.0 "Lorentz" FFmpeg 5.0 "Lorentz", a new major release, is now available!For this long-overdue release, a major effort underwent to remove the old encode/decode APIs and replace them with an N:M-based API, the entire libavresample library was removed, libswscale has a new, easier to use AVframe-based API, the Vulkan code was …
FFmpeg/libopencore-amr.c at master · FFmpeg/FFmpeg · GitHub
https://github.com/FFmpeg/FFmpeg/blob/master/libavcodec/libopencore-amr.c
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