#include "libavutil/avassert.h"
#include "libavutil/channel_layout.h"
#include "libavutil/common.h"
#include "libavutil/cpu.h"
#include "audio.h"
#include "avfilter.h"
#include "avfilter_internal.h"
#include "framepool.h"
#include "internal.h"

Functions
AVFrame *	ff_null_get_audio_buffer (AVFilterLink *link, int nb_samples)
	get_audio_buffer() handler for filters which simply pass audio along More...

AVFrame *	ff_default_get_audio_buffer (AVFilterLink *link, int nb_samples)
	default handler for get_audio_buffer() for audio inputs More...

AVFrame *	ff_get_audio_buffer (AVFilterLink *link, int nb_samples)
	Request an audio samples buffer with a specific set of permissions. More...

Variables
const AVFilterPad	ff_audio_default_filterpad [1]
	An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_AUDIO. More...

Function Documentation

◆ ff_null_get_audio_buffer()

AVFrame* ff_null_get_audio_buffer	(	AVFilterLink *	link,
		int	nb_samples
	)

get_audio_buffer() handler for filters which simply pass audio along

Definition at line 40 of file audio.c.

Referenced by init().

◆ ff_default_get_audio_buffer()

AVFrame* ff_default_get_audio_buffer	(	AVFilterLink *	link,
		int	nb_samples
	)

default handler for get_audio_buffer() for audio inputs

Definition at line 45 of file audio.c.

Referenced by ff_get_audio_buffer(), and get_buffer().

◆ ff_get_audio_buffer()

AVFrame* ff_get_audio_buffer	(	AVFilterLink *	link,
		int	nb_samples
	)

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

Parameters

link	the output link to the filter from which the buffer will be requested
nb_samples	the number of samples per channel

Returns: on success an AVFrame owned by the caller, NULL on error

Definition at line 97 of file audio.c.

Referenced by activate(), analyze_frame(), audio_frame(), compand_delay(), compand_drain(), compand_nodelay(), config_filter(), config_input(), config_output(), convert_coeffs(), ff_inlink_make_frame_writable(), ff_null_get_audio_buffer(), filter_frame(), fir_frame(), flush_buffer(), flush_frame(), get_audio_buffer(), headphone_frame(), init_segment(), output_frame(), push_frame(), request_frame(), send_silence(), spatial_activate(), take_samples(), and try_push_frame().

Variable Documentation

◆ ff_audio_default_filterpad

const AVFilterPad ff_audio_default_filterpad[1]

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_AUDIO,
    }
}

An AVFilterPad array whose only entry has name "default" and is of type AVMEDIA_TYPE_AUDIO.

Definition at line 33 of file audio.c.