vf_transpose.c File Reference

transposition filter Based on MPlayer libmpcodecs/vf_rotate.c. More...

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Data Structures

struct  TransContext
 

Functions

static av_cold int init (AVFilterContext *ctx, const char *args, void *opaque)
 
static int query_formats (AVFilterContext *ctx)
 
static int config_props_output (AVFilterLink *outlink)
 
static void start_frame (AVFilterLink *inlink, AVFilterBufferRef *picref)
 
static void end_frame (AVFilterLink *inlink)
 

Variables

AVFilter avfilter_vf_transpose
 

Detailed Description

transposition filter Based on MPlayer libmpcodecs/vf_rotate.c.

Definition in file vf_transpose.c.

Function Documentation

static int config_props_output ( AVFilterLink outlink)
static

Definition at line 90 of file vf_transpose.c.

static void end_frame ( AVFilterLink inlink)
static

Definition at line 135 of file vf_transpose.c.

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

Definition at line 44 of file vf_transpose.c.

static int query_formats ( AVFilterContext ctx)
static

Definition at line 60 of file vf_transpose.c.

static void start_frame ( AVFilterLink inlink,
AVFilterBufferRef picref 
)
static

Definition at line 117 of file vf_transpose.c.

Variable Documentation

AVFilter avfilter_vf_transpose
Initial value:
= {
.name = "transpose",
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
.init = init,
.priv_size = sizeof(TransContext),
.inputs = (AVFilterPad[]) {{ .name = "default",
.start_frame = start_frame,
.end_frame = end_frame,
.min_perms = AV_PERM_READ, },
{ .name = NULL}},
.outputs = (AVFilterPad[]) {{ .name = "default",
.config_props = config_props_output,
.type = AVMEDIA_TYPE_VIDEO, },
{ .name = NULL}},
}
static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
Definition: vf_transpose.c:117
#define AV_PERM_READ
can read from the buffer
Definition: avfilter.h:81
A filter pad used for either input or output.
Definition: avfilter.h:312
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:191
static int query_formats(AVFilterContext *ctx)
Definition: vf_transpose.c:60
NULL
Definition: eval.c:50
static void end_frame(AVFilterLink *inlink)
Definition: vf_transpose.c:135
static int config_props_output(AVFilterLink *outlink)
Definition: vf_transpose.c:90
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
Definition: vf_transpose.c:44

Definition at line 198 of file vf_transpose.c.