FFmpeg: OverlayContext Struct Reference

FFmpeg

OverlayContext Struct Reference

Public Types

enum OverlayFormat {
OVERLAY_FORMAT_YUV420, OVERLAY_FORMAT_YUV422, OVERLAY_FORMAT_YUV444, OVERLAY_FORMAT_RGB,
OVERLAY_FORMAT_NB
}

enum EvalMode { EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB }

Data Fields

const AVClass * class

int x

int y

position of overlayed picture

int allow_packed_rgb

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

enum OverlayContext::OverlayFormat format

enum OverlayContext::EvalMode eval_mode

FFDualInputContext dinput

int main_pix_step [4]

steps per pixel for each plane of the main output

int overlay_pix_step [4]

steps per pixel for each plane of the overlay

int hsub

int vsub

chroma subsampling values

double var_values [VAR_VARS_NB]

char * x_expr

char * y_expr

enum EOFAction eof_action

action to take on EOF from source

AVExpr * x_pexpr

AVExpr * y_pexpr

Detailed Description

Definition at line 95 of file vf_overlay.c.

Member Enumeration Documentation

enum OverlayContext::OverlayFormat

Enumerator:: OVERLAY_FORMAT_YUV420

OVERLAY_FORMAT_YUV422

OVERLAY_FORMAT_YUV444

OVERLAY_FORMAT_RGB

OVERLAY_FORMAT_NB

Definition at line 106 of file vf_overlay.c.

enum OverlayContext::EvalMode

Enumerator:: EVAL_MODE_INIT

EVAL_MODE_FRAME

EVAL_MODE_NB

Definition at line 107 of file vf_overlay.c.

Field Documentation

const AVClass* OverlayContext::class

Definition at line 96 of file vf_overlay.c.

int OverlayContext::x

Definition at line 97 of file vf_overlay.c.

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

int OverlayContext::y

position of overlayed picture

Definition at line 97 of file vf_overlay.c.

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

int OverlayContext::allow_packed_rgb

Definition at line 99 of file vf_overlay.c.

Referenced by init().

uint8_t OverlayContext::main_is_packed_rgb

Definition at line 100 of file vf_overlay.c.

Referenced by blend_image(), and config_input_main().

uint8_t OverlayContext::main_rgba_map[4]

Definition at line 101 of file vf_overlay.c.

Referenced by blend_image(), and config_input_main().

uint8_t OverlayContext::main_has_alpha

Definition at line 102 of file vf_overlay.c.

Referenced by blend_image(), and config_input_main().

uint8_t OverlayContext::overlay_is_packed_rgb

Definition at line 103 of file vf_overlay.c.

Referenced by config_input_overlay().

uint8_t OverlayContext::overlay_rgba_map[4]

Definition at line 104 of file vf_overlay.c.

Referenced by blend_image(), and config_input_overlay().

uint8_t OverlayContext::overlay_has_alpha

Definition at line 105 of file vf_overlay.c.

Referenced by config_input_overlay().

enum OverlayContext::OverlayFormat OverlayContext::format

Referenced by init(), and query_formats().

enum OverlayContext::EvalMode OverlayContext::eval_mode

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

FFDualInputContext OverlayContext::dinput

Definition at line 109 of file vf_overlay.c.

Referenced by config_output(), filter_frame(), init(), request_frame(), and uninit().

int OverlayContext::main_pix_step[4]

steps per pixel for each plane of the main output

Definition at line 111 of file vf_overlay.c.

Referenced by blend_image(), and config_input_main().

int OverlayContext::overlay_pix_step[4]

steps per pixel for each plane of the overlay

Definition at line 112 of file vf_overlay.c.

Referenced by blend_image(), and config_input_overlay().

int OverlayContext::hsub

Definition at line 113 of file vf_overlay.c.

Referenced by blend_image(), config_input_main(), and eval_expr().

int OverlayContext::vsub

chroma subsampling values

Definition at line 113 of file vf_overlay.c.

Referenced by blend_image(), config_input_main(), and eval_expr().

double OverlayContext::var_values[VAR_VARS_NB]

Definition at line 115 of file vf_overlay.c.

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

char* OverlayContext::x_expr

Definition at line 116 of file vf_overlay.c.

Referenced by config_input_overlay().

char * OverlayContext::y_expr

Definition at line 116 of file vf_overlay.c.

Referenced by config_input_overlay().

enum EOFAction OverlayContext::eof_action

action to take on EOF from source

Definition at line 118 of file vf_overlay.c.

Referenced by config_input_overlay(), and init().

AVExpr* OverlayContext::x_pexpr

Definition at line 120 of file vf_overlay.c.

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

AVExpr * OverlayContext::y_pexpr

Definition at line 120 of file vf_overlay.c.

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

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

libavfilter/vf_overlay.c

Generated on Sun Sep 14 2014 18:56:44 for FFmpeg by doxygen 1.8.2