| FFmpeg
    | 
#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 "filters.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 41 of file vf_overlay_cuda.c.
| #define BLOCK_X 32 | 
Definition at line 44 of file vf_overlay_cuda.c.
| #define BLOCK_Y 16 | 
Definition at line 45 of file vf_overlay_cuda.c.
| #define MAIN 0 | 
Definition at line 47 of file vf_overlay_cuda.c.
| #define OVERLAY 1 | 
Definition at line 48 of file vf_overlay_cuda.c.
| #define OFFSET | ( | x | ) | offsetof(OverlayCUDAContext, x) | 
Definition at line 537 of file vf_overlay_cuda.c.
| #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) | 
Definition at line 538 of file vf_overlay_cuda.c.
| enum var_name | 
Definition at line 63 of file vf_overlay_cuda.c.
| enum EvalMode | 
Definition at line 78 of file vf_overlay_cuda.c.
| 
 | static | 
Helper to find out if provided format is supported by filter.
Definition at line 131 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
Definition at line 139 of file vf_overlay_cuda.c.
Referenced by eval_expr().
| 
 | static | 
Definition at line 146 of file vf_overlay_cuda.c.
Referenced by config_input_overlay(), and overlay_cuda_blend().
| 
 | static | 
Definition at line 161 of file vf_overlay_cuda.c.
Referenced by config_input_overlay().
| 
 | static | 
Helper checks if we can process main and overlay pixel formats.
Definition at line 185 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
| 
 | static | 
Call overlay kernell for a plane.
Definition at line 200 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_blend().
| 
 | static | 
Perform blend overlay picture over main picture.
Definition at line 231 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_init().
| 
 | static | 
Definition at line 351 of file vf_overlay_cuda.c.
| 
 | static | 
Initialize overlay_cuda.
Definition at line 389 of file vf_overlay_cuda.c.
| 
 | static | 
Uninitialize overlay_cuda.
Definition at line 400 of file vf_overlay_cuda.c.
| 
 | static | 
Activate overlay_cuda.
Definition at line 423 of file vf_overlay_cuda.c.
| 
 | static | 
Configure output.
Definition at line 433 of file vf_overlay_cuda.c.
| FRAMESYNC_DEFINE_CLASS | ( | overlay_cuda | , | 
| OverlayCUDAContext | , | ||
| fs | |||
| ) | 
| 
 | static | 
Definition at line 50 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
| 
 | static | 
Definition at line 56 of file vf_overlay_cuda.c.
Referenced by overlay_cuda_config_output().
| 
 | static | 
Definition at line 84 of file vf_overlay_cuda.c.
Referenced by set_expr().
| 
 | static | 
Definition at line 540 of file vf_overlay_cuda.c.
| 
 | static | 
Definition at line 559 of file vf_overlay_cuda.c.
| 
 | static | 
Definition at line 571 of file vf_overlay_cuda.c.
| const AVFilter ff_vf_overlay_cuda | 
Definition at line 579 of file vf_overlay_cuda.c.
 1.8.17
 1.8.17