libavfilter/buffersink.c File Reference

buffer sink More...

#include "libavutil/audio_fifo.h"
#include "libavutil/audioconvert.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "audio.h"
#include "avfilter.h"
#include "buffersink.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	BufferSinkContext
Functions
static av_cold void	uninit (AVFilterContext *ctx)
static int	start_frame (AVFilterLink *link, AVFilterBufferRef *buf)
int	ff_buffersink_read_compat (AVFilterContext *ctx, AVFilterBufferRef **buf)
static int	read_from_fifo (AVFilterContext *ctx, AVFilterBufferRef **pbuf, int nb_samples)
int	ff_buffersink_read_samples_compat (AVFilterContext *ctx, AVFilterBufferRef **pbuf, int nb_samples)
Variables
AVFilter	avfilter_vsink_buffer
AVFilter	avfilter_asink_abuffer

---

Detailed Description

buffer sink

Definition in file buffersink.c.

---

Function Documentation

int ff_buffersink_read_compat	(	AVFilterContext *	ctx,
		AVFilterBufferRef **	buf
	)

Definition at line 62 of file buffersink.c.

Referenced by av_buffersink_read().

int ff_buffersink_read_samples_compat	(	AVFilterContext *	ctx,
		AVFilterBufferRef **	pbuf,
		int	nb_samples
	)

Definition at line 103 of file buffersink.c.

Referenced by av_buffersink_read_samples().

static int read_from_fifo	(	AVFilterContext *	ctx,
		AVFilterBufferRef **	pbuf,
		int	nb_samples
	)			[static]

Definition at line 83 of file buffersink.c.

Referenced by ff_buffersink_read_samples_compat().

static int start_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	buf
	)			[static]

Definition at line 51 of file buffersink.c.

static av_cold void uninit

(

AVFilterContext *

ctx

)

[static]

Definition at line 43 of file buffersink.c.

---

Variable Documentation

AVFilter avfilter_asink_abuffer

Initial value:

 {



    .name      = "abuffersink_old",

    .description = NULL_IF_CONFIG_SMALL("Buffer audio frames, and make them available to the end of the filter graph."),
    .priv_size = sizeof(BufferSinkContext),
    .uninit    = uninit,

    .inputs    = (const AVFilterPad[]) {{ .name           = "default",
                                          .type           = AVMEDIA_TYPE_AUDIO,
                                          .filter_samples = start_frame,
                                          .min_perms      = AV_PERM_READ,
                                          .needs_fifo     = 1 },
                                        { .name = NULL }},
    .outputs   = NULL,
}

Definition at line 162 of file buffersink.c.

Referenced by avfilter_register_all().

AVFilter avfilter_vsink_buffer

Initial value:

 {



    .name      = "buffersink_old",

    .description = NULL_IF_CONFIG_SMALL("Buffer video frames, and make them available to the end of the filter graph."),
    .priv_size = sizeof(BufferSinkContext),
    .uninit    = uninit,

    .inputs    = (const AVFilterPad[]) {{ .name          = "default",
                                          .type          = AVMEDIA_TYPE_VIDEO,
                                          .start_frame   = start_frame,
                                          .min_perms     = AV_PERM_READ,
                                          .needs_fifo    = 1 },
                                        { .name = NULL }},
    .outputs   = NULL,
}

Definition at line 143 of file buffersink.c.

Referenced by avfilter_register_all().