audio.h File Reference
#include "avfilter.h"

Go to the source code of this file.

Functions

AVFilterBufferRefff_default_get_audio_buffer (AVFilterLink *link, int perms, int nb_samples)
 default handler for get_audio_buffer() for audio inputs
AVFilterBufferRefff_null_get_audio_buffer (AVFilterLink *link, int perms, int nb_samples)
 get_audio_buffer() handler for filters which simply pass audio along
AVFilterBufferRefff_get_audio_buffer (AVFilterLink *link, int perms, int nb_samples)
 Request an audio samples buffer with a specific set of permissions.

Function Documentation

AVFilterBufferRef* ff_default_get_audio_buffer ( AVFilterLink link,
int  perms,
int  nb_samples 
)

default handler for get_audio_buffer() for audio inputs

Definition at line 32 of file audio.c.

Referenced by ff_get_audio_buffer().

AVFilterBufferRef* ff_get_audio_buffer ( AVFilterLink link,
int  perms,
int  nb_samples 
)

Request an audio samples buffer with a specific set of permissions.

Parameters
linkthe output link to the filter from which the buffer will be requested
permsthe required access permissions
nb_samplesthe number of samples per channel
Returns
A reference to the samples. This must be unreferenced with avfilter_unref_buffer when you are finished with it.

Definition at line 63 of file audio.c.

Referenced by av_buffersrc_write_frame(), ff_filter_frame(), ff_null_get_audio_buffer(), filter_frame(), output_frame(), read_from_fifo(), request_frame(), and return_audio_frame().

AVFilterBufferRef* ff_null_get_audio_buffer ( AVFilterLink link,
int  perms,
int  nb_samples 
)

get_audio_buffer() handler for filters which simply pass audio along

Definition at line 26 of file audio.c.