Libav
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overlay one video on top of another More...
#include "avfilter.h"
#include "formats.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/avstring.h"
#include "libavutil/avassert.h"
#include "libavutil/pixdesc.h"
#include "libavutil/imgutils.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "internal.h"
#include "video.h"
Go to the source code of this file.
Data Structures | |
struct | OverlayContext |
Macros | |
#define | MAIN 0 |
#define | OVERLAY 1 |
#define | OFFSET(x) offsetof(OverlayContext, x) |
#define | FLAGS AV_OPT_FLAG_VIDEO_PARAM |
Functions | |
static av_cold void | uninit (AVFilterContext *ctx) |
static int | query_formats (AVFilterContext *ctx) |
static int | config_input_main (AVFilterLink *inlink) |
static int | config_input_overlay (AVFilterLink *inlink) |
static int | config_output (AVFilterLink *outlink) |
static void | blend_frame (AVFilterContext *ctx, AVFrame *dst, AVFrame *src, int x, int y) |
static int | filter_frame_main (AVFilterLink *inlink, AVFrame *frame) |
static int | filter_frame_overlay (AVFilterLink *inlink, AVFrame *frame) |
static int | output_frame (AVFilterContext *ctx) |
static int | handle_overlay_eof (AVFilterContext *ctx) |
static int | request_frame (AVFilterLink *outlink) |
Variables | |
static const char *const | var_names [] |
static const char * | eof_action_str [] |
static const AVOption | options [] |
static const AVClass | overlay_class |
static const AVFilterPad | avfilter_vf_overlay_inputs [] |
static const AVFilterPad | avfilter_vf_overlay_outputs [] |
AVFilter | ff_vf_overlay |
overlay one video on top of another
Definition in file vf_overlay.c.
#define MAIN 0 |
Definition at line 73 of file vf_overlay.c.
Referenced by config_input_overlay(), config_output(), Faac_encode_init(), query_formats(), and request_frame().
#define OVERLAY 1 |
Definition at line 74 of file vf_overlay.c.
Referenced by avfilter_register_all(), config_input_overlay(), query_formats(), and request_frame().
#define OFFSET | ( | x | ) | offsetof(OverlayContext, x) |
Definition at line 366 of file vf_overlay.c.
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM |
Definition at line 367 of file vf_overlay.c.
enum var_name |
Definition at line 52 of file vf_overlay.c.
enum EOFAction |
Definition at line 63 of file vf_overlay.c.
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Definition at line 91 of file vf_overlay.c.
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Definition at line 100 of file vf_overlay.c.
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Definition at line 114 of file vf_overlay.c.
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Definition at line 126 of file vf_overlay.c.
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Definition at line 187 of file vf_overlay.c.
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Definition at line 198 of file vf_overlay.c.
Referenced by handle_overlay_eof(), and request_frame().
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Definition at line 274 of file vf_overlay.c.
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Definition at line 284 of file vf_overlay.c.
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Definition at line 294 of file vf_overlay.c.
Referenced by handle_overlay_eof(), and request_frame().
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Definition at line 304 of file vf_overlay.c.
Referenced by request_frame().
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Definition at line 316 of file vf_overlay.c.
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Definition at line 41 of file vf_overlay.c.
Referenced by config_input_overlay().
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Definition at line 69 of file vf_overlay.c.
Referenced by config_input_overlay().
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Definition at line 368 of file vf_overlay.c.
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Definition at line 382 of file vf_overlay.c.
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Definition at line 389 of file vf_overlay.c.
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Definition at line 408 of file vf_overlay.c.
AVFilter ff_vf_overlay |
Definition at line 418 of file vf_overlay.c.