FFmpeg
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#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/cuda_check.h"
#include "libavutil/eval.h"
#include "avfilter.h"
#include "framesync.h"
#include "internal.h"
#include "cuda/load_helper.h"
Go to the source code of this file.
Data Structures | |
struct | OverlayCUDAContext |
OverlayCUDAContext. More... | |
Macros | |
#define | CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, ctx->hwctx->internal->cuda_dl, x) |
#define | DIV_UP(a, b) ( ((a) + (b) - 1) / (b) ) |
#define | BLOCK_X 32 |
#define | BLOCK_Y 16 |
#define | MAIN 0 |
#define | OVERLAY 1 |
#define | OFFSET(x) offsetof(OverlayCUDAContext, x) |
#define | FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
Functions | |
static int | format_is_supported (const enum AVPixelFormat formats[], enum AVPixelFormat fmt) |
Helper to find out if provided format is supported by filter. More... | |
static int | normalize_xy (double d, int chroma_sub) |
static void | eval_expr (AVFilterContext *ctx) |
static int | set_expr (AVExpr **pexpr, const char *expr, const char *option, void *log_ctx) |
static int | formats_match (const enum AVPixelFormat format_main, const enum AVPixelFormat format_overlay) |
Helper checks if we can process main and overlay pixel formats. More... | |
static int | overlay_cuda_call_kernel (OverlayCUDAContext *ctx, int x_position, int y_position, uint8_t *main_data, int main_linesize, int main_width, int main_height, uint8_t *overlay_data, int overlay_linesize, int overlay_width, int overlay_height, uint8_t *alpha_data, int alpha_linesize, int alpha_adj_x, int alpha_adj_y) |
Call overlay kernell for a plane. More... | |
static int | overlay_cuda_blend (FFFrameSync *fs) |
Perform blend overlay picture over main picture. More... | |
static int | config_input_overlay (AVFilterLink *inlink) |
static av_cold int | overlay_cuda_init (AVFilterContext *avctx) |
Initialize overlay_cuda. More... | |
static av_cold void | overlay_cuda_uninit (AVFilterContext *avctx) |
Uninitialize overlay_cuda. More... | |
static int | overlay_cuda_activate (AVFilterContext *avctx) |
Activate overlay_cuda. More... | |
static int | overlay_cuda_config_output (AVFilterLink *outlink) |
Configure output. More... | |
FRAMESYNC_DEFINE_CLASS (overlay_cuda, OverlayCUDAContext, fs) | |
Variables | |
static enum AVPixelFormat | supported_main_formats [] |
static enum AVPixelFormat | supported_overlay_formats [] |
static const char *const | var_names [] |
static const AVOption | overlay_cuda_options [] |
static const AVFilterPad | overlay_cuda_inputs [] |
static const AVFilterPad | overlay_cuda_outputs [] |
const AVFilter | ff_vf_overlay_cuda |
Overlay one video on top of another using cuda hardware acceleration
Definition in file vf_overlay_cuda.c.
#define CHECK_CU | ( | x | ) | FF_CUDA_CHECK_DL(ctx, ctx->hwctx->internal->cuda_dl, x) |
Definition at line 40 of file vf_overlay_cuda.c.
#define BLOCK_X 32 |
Definition at line 43 of file vf_overlay_cuda.c.
#define BLOCK_Y 16 |
Definition at line 44 of file vf_overlay_cuda.c.
#define MAIN 0 |
Definition at line 46 of file vf_overlay_cuda.c.
#define OVERLAY 1 |
Definition at line 47 of file vf_overlay_cuda.c.
#define OFFSET | ( | x | ) | offsetof(OverlayCUDAContext, x) |
Definition at line 524 of file vf_overlay_cuda.c.
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
Definition at line 525 of file vf_overlay_cuda.c.
enum var_name |
Definition at line 62 of file vf_overlay_cuda.c.
enum EvalMode |
Definition at line 75 of file vf_overlay_cuda.c.
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Helper to find out if provided format is supported by filter.
Definition at line 126 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
Definition at line 134 of file vf_overlay_cuda.c.
Referenced by eval_expr().
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Definition at line 141 of file vf_overlay_cuda.c.
Referenced by config_input_overlay(), and overlay_cuda_blend().
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Definition at line 156 of file vf_overlay_cuda.c.
Referenced by config_input_overlay().
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Helper checks if we can process main and overlay pixel formats.
Definition at line 180 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
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Call overlay kernell for a plane.
Definition at line 195 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_blend().
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Perform blend overlay picture over main picture.
Definition at line 226 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_init().
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Definition at line 340 of file vf_overlay_cuda.c.
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Initialize overlay_cuda.
Definition at line 376 of file vf_overlay_cuda.c.
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Uninitialize overlay_cuda.
Definition at line 387 of file vf_overlay_cuda.c.
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Activate overlay_cuda.
Definition at line 410 of file vf_overlay_cuda.c.
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Configure output.
Definition at line 420 of file vf_overlay_cuda.c.
FRAMESYNC_DEFINE_CLASS | ( | overlay_cuda | , |
OverlayCUDAContext | , | ||
fs | |||
) |
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Definition at line 49 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
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Definition at line 55 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
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Definition at line 81 of file vf_overlay_cuda.c.
Referenced by set_expr().
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Definition at line 527 of file vf_overlay_cuda.c.
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Definition at line 546 of file vf_overlay_cuda.c.
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Definition at line 558 of file vf_overlay_cuda.c.
const AVFilter ff_vf_overlay_cuda |
Definition at line 566 of file vf_overlay_cuda.c.