FFmpeg 1.1.16
aconvert
Convert the input audio format to the specified formats.
aformat
Set output format constraints for the input audio.
amerge
Merge two or more audio streams into a single multi-channel stream.
amix
Mixes multiple audio inputs into a single output.
anull
Pass the audio source unchanged to the output.
apad
Pad the end of a audio stream with silence, this can be used together with -shortest to extend audio streams to the same length as the video stream.
aresample
Resample the input audio to the specified parameters, using the libswresample library.
asetnsamples
Set the number of samples per each output audio frame.
ashowinfo
Show a line containing various information for each input audio frame.
asplit
Split input audio into several identical outputs.
astreamsync
Forward two audio streams and control the order the buffers are forwarded.
atempo
Adjust audio tempo.
earwax
Make audio easier to listen to on headphones.
pan
Mix channels with specific gain levels.
silencedetect
Detect silence in an audio stream.
asyncts
Synchronize audio data with timestamps by squeezing/stretching it and/or dropping samples/adding silence when needed.
channelsplit
Split each channel in input audio stream into a separate output stream.
channelmap
Remap input channels to new locations.
join
Join multiple input streams into one multi-channel stream.
resample
Convert the audio sample format, sample rate and channel layout.
volume
Adjust the input audio volume.
volumedetect
Detect the volume of the input video.