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FFmpeg Codecs Documentation
https://ffmpeg.org/ffmpeg-codecs.html
A description of some of the currently available audio encoders follows. 8.1 aac. Advanced Audio Coding (AAC) encoder. This encoder is the default AAC encoder, natively implemented into FFmpeg. 8.1.1 Options b. Set bit rate in bits/s. Setting this automatically activates constant bit rate (CBR) mode. If this option is unspecified it is set to 128kbps. q
FFmpeg
After the work spearheaded by Rostislav Pehlivanov and Claudio Freire, the now-stable FFmpeg native AAC encoder is ready to compete with much more mature encoders. The Fraunhofer FDK AAC Codec Library for Android was added in 2012 as the fourth supported external AAC encoder, and the one with the best quality and the most features supported, including HE-AAC and HE …
audio - FFMPEG AAC encoder issue - Stack Overflow
https://stackoverflow.com/questions/53492248/ffmpeg-aac-encoder-issue
I am trying to capture and encode audio data, I am encoding audio using FFMPEG AAC and to capture PCM data I used ALSA, Capturing part is working in my case, However, AAC encoder is not working. I am trying to play test.aac file using. ffplay test.aac. but it contains lots of noise. Attaching code for aac encoder :
FFmpeg list all codecs, encoders, decoders and formats – write
https://write.corbpie.com/ffmpeg-list-all-codecs-encoders-decoders-and-formats/
To view more details on an encoder. ffmpeg -h encoder=libx264. This will return all options and parameters when encoding with this encode method. Decoders. The same can be done with decoders, to list all of the decoders: ffmpeg -decoders. View more details: ffmpeg -h decoder=aac Containers. List all containers (formats) with FFmpeg: ffmpeg -formats
ffmpeg - How to encode audio in AAC-LC, AAC-HE-V1, …
https://stackoverflow.com/questions/18894810/how-to-encode-audio-in-aac-lc-aac-he-v1-aac-he-v2-using-libavcodec
from the above reading it will be clear to you that in order to encode audio in HE-AAC/ HE-AAC-V2 you have to use libfdk_aac or libaacplus. I will explain how you can do it using libfdk_aac: first make sure you configure ffmpeg along with following options:--enable-libfdk_aac --enable-nonfree
FFmpeg Plugins - HEVC/H.265 and AVC/H.264 Encoders ...
https://www.mainconcept.com/ffmpeg
Enables use of Fraunhofer’s industry leading xHE-AAC software encoder natively in FFmpeg; The up-and-coming audio format for Android and iOS devices, already adopted by top streamers; Supports: xHE-AAC as well as legacy LC AAC, HE-AAC v1 and HE- AAC v2 audio formats; On-demand (file-to-file) xHE-AAC encoding workflows
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 …
Missing aac audio after encoding to mpeg-ts ... - ffmpeg.org
https://ffmpeg.org/trac/ffmpeg/ticket/542
When encoding from h264/aac mp4 to mpeg-ts, the audio stream is lost or corrupt. Mediainfo reports an audio stream but it appears to be empty. This *only* occurs when '-threads' set to 0. Using a specific thread size (e.g. -threads 4) prevents the issue. I can consistently reproduce this with centos 5, but not with osx.
Tags - FFmpeg
https://trac.ffmpeg.org/tags/aac
#8505 defect: fast aac encoder produces invalid output for x86 32-bit builds (open) #8621 defect: FFMPEG Audio decoding fails on audio packet (works using libfdk) (new) #8656 defect: Encoding 7.1 channel audio with the native AAC encoder should use PCE (new)
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