libavfilter/vf_aspect.c File Reference

aspect ratio modification video filters More...

#include "libavutil/mathematics.h"
#include "avfilter.h"

Go to the source code of this file.

Data Structures
struct	AspectContext
Functions
static av_cold int	init (AVFilterContext *ctx, const char *args, void *opaque)
static void	start_frame (AVFilterLink *link, AVFilterBufferRef *picref)
static int	setdar_config_props (AVFilterLink *inlink)
static int	setsar_config_props (AVFilterLink *inlink)
Variables
AVFilter	avfilter_vf_setdar
AVFilter	avfilter_vf_setsar

---

Detailed Description

aspect ratio modification video filters

Definition in file vf_aspect.c.

---

Function Documentation

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args,
		void *	opaque
	)			[static]

Definition at line 33 of file vf_aspect.c.

static int setdar_config_props

(

AVFilterLink *

inlink

)

[static]

Definition at line 75 of file vf_aspect.c.

static int setsar_config_props

(

AVFilterLink *

inlink

)

[static]

Definition at line 116 of file vf_aspect.c.

static void start_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	picref
	)			[static]

Definition at line 65 of file vf_aspect.c.

---

Variable Documentation

AVFilter avfilter_vf_setdar

Initial value:

 {
    .name      = "setdar",
    .description = NULL_IF_CONFIG_SMALL("Set the frame display aspect ratio."),

    .init      = init,

    .priv_size = sizeof(AspectContext),

    .inputs    = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .config_props     = setdar_config_props,
                                    .get_video_buffer = avfilter_null_get_video_buffer,
                                    .start_frame      = start_frame,
                                    .end_frame        = avfilter_null_end_frame },
                                  { .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO, },
                                  { .name = NULL}},
}

Definition at line 92 of file vf_aspect.c.

AVFilter avfilter_vf_setsar

Initial value:

 {
    .name      = "setsar",
    .description = NULL_IF_CONFIG_SMALL("Set the pixel sample aspect ratio."),

    .init      = init,

    .priv_size = sizeof(AspectContext),

    .inputs    = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO,
                                    .config_props     = setsar_config_props,
                                    .get_video_buffer = avfilter_null_get_video_buffer,
                                    .start_frame      = start_frame,
                                    .end_frame        = avfilter_null_end_frame },
                                  { .name = NULL}},

    .outputs   = (AVFilterPad[]) {{ .name             = "default",
                                    .type             = AVMEDIA_TYPE_VIDEO, },
                                  { .name = NULL}},
}

Definition at line 125 of file vf_aspect.c.