FFmpeg: OverlayContext Struct Reference

FFmpeg

[フレーム]

Data Fields

OverlayContext Struct Reference

Data Fields

const AVClass * class

int x

int y

position of overlaid picture More...

uint8_t main_is_packed_rgb

uint8_t main_rgba_map [4]

uint8_t main_has_alpha

uint8_t overlay_is_packed_rgb

uint8_t overlay_rgba_map [4]

uint8_t overlay_has_alpha

int format

OverlayFormat. More...

int eval_mode

EvalMode. More...

FFFrameSync fs

int main_pix_step [4]

steps per pixel for each plane of the main output More...

int overlay_pix_step [4]

steps per pixel for each plane of the overlay More...

int hsub

int vsub

chroma subsampling values More...

const AVPixFmtDescriptor * main_desc

format descriptor for main input More...

double var_values [VAR_VARS_NB]

char * x_expr

char * y_expr

AVExpr * x_pexpr

AVExpr * y_pexpr

void(* blend_image )(AVFilterContext *ctx, AVFrame *dst, const AVFrame *src, int x, int y)

Detailed Description

Definition at line 101 of file vf_overlay.c.

Field Documentation

const AVClass* OverlayContext::class

Definition at line 102 of file vf_overlay.c.

int OverlayContext::x

Definition at line 103 of file vf_overlay.c.

Referenced by config_input_overlay(), do_blend(), eval_expr(), and process_command().

int OverlayContext::y

position of overlaid picture

Definition at line 103 of file vf_overlay.c.

Referenced by config_input_overlay(), do_blend(), eval_expr(), and process_command().

uint8_t OverlayContext::main_is_packed_rgb

Definition at line 105 of file vf_overlay.c.

Referenced by config_input_main().

uint8_t OverlayContext::main_rgba_map[4]

Definition at line 106 of file vf_overlay.c.

Referenced by blend_image_packed_rgb(), and config_input_main().

uint8_t OverlayContext::main_has_alpha

Definition at line 107 of file vf_overlay.c.

Referenced by config_input_main().

uint8_t OverlayContext::overlay_is_packed_rgb

Definition at line 108 of file vf_overlay.c.

Referenced by config_input_overlay().

uint8_t OverlayContext::overlay_rgba_map[4]

Definition at line 109 of file vf_overlay.c.

Referenced by blend_image_packed_rgb(), and config_input_overlay().

uint8_t OverlayContext::overlay_has_alpha

Definition at line 110 of file vf_overlay.c.

Referenced by config_input_overlay().

int OverlayContext::format

OverlayFormat.

Definition at line 111 of file vf_overlay.c.

Referenced by config_input_main(), and query_formats().

int OverlayContext::eval_mode

EvalMode.

Definition at line 112 of file vf_overlay.c.

Referenced by config_input_overlay(), do_blend(), and process_command().

FFFrameSync OverlayContext::fs

Definition at line 114 of file vf_overlay.c.

Referenced by activate(), config_output(), init(), and uninit().

int OverlayContext::main_pix_step[4]

steps per pixel for each plane of the main output

Definition at line 116 of file vf_overlay.c.

Referenced by blend_image_packed_rgb(), and config_input_main().

int OverlayContext::overlay_pix_step[4]

steps per pixel for each plane of the overlay

Definition at line 117 of file vf_overlay.c.

Referenced by blend_image_packed_rgb(), and config_input_overlay().

int OverlayContext::hsub

Definition at line 118 of file vf_overlay.c.

Referenced by config_input_main(), and eval_expr().

int OverlayContext::vsub

chroma subsampling values

Definition at line 118 of file vf_overlay.c.

Referenced by config_input_main(), and eval_expr().

const AVPixFmtDescriptor* OverlayContext::main_desc

format descriptor for main input

Definition at line 119 of file vf_overlay.c.

Referenced by blend_image_planar_rgb(), blend_image_yuv(), and config_input_main().

double OverlayContext::var_values[VAR_VARS_NB]

Definition at line 121 of file vf_overlay.c.

Referenced by config_input_overlay(), do_blend(), eval_expr(), and process_command().

char* OverlayContext::x_expr

Definition at line 122 of file vf_overlay.c.

Referenced by config_input_overlay().

char * OverlayContext::y_expr

Definition at line 122 of file vf_overlay.c.

Referenced by config_input_overlay().

AVExpr* OverlayContext::x_pexpr

Definition at line 124 of file vf_overlay.c.

Referenced by config_input_overlay(), eval_expr(), process_command(), and uninit().

AVExpr * OverlayContext::y_pexpr

Definition at line 124 of file vf_overlay.c.

Referenced by config_input_overlay(), eval_expr(), process_command(), and uninit().

void(* OverlayContext::blend_image)(AVFilterContext *ctx, AVFrame *dst, const AVFrame *src, int x, int y)

Definition at line 126 of file vf_overlay.c.

Referenced by config_input_main(), and do_blend().

The documentation for this struct was generated from the following file:

libavfilter/vf_overlay.c

Generated on Fri Jan 12 2018 01:48:34 for FFmpeg by doxygen 1.8.6