vf_premultiply.c File Reference

#include "config_components.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "filters.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ThreadData
	Used for passing data between threads. More...
struct	PreMultiplyContext

Macros
#define	OFFSET(x)   offsetof(PreMultiplyContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Functions
	AVFILTER_DEFINE_CLASS_EXT (premultiply, "(un)premultiply", options)
static int	query_formats (AVFilterContext *ctx)
static void	premultiply8 (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiply8yuv (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiply8offset (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiply16 (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiply16yuv (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiply16offset (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiplyf32 (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	premultiplyf32offset (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int shift, int offset)
static void	unpremultiply8 (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiply8yuv (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiply8offset (const uint8_t *msrc, const uint8_t *asrc, uint8_t *dst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiply16 (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiply16yuv (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiply16offset (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiplyf32 (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static void	unpremultiplyf32offset (const uint8_t *mmsrc, const uint8_t *aasrc, uint8_t *ddst, ptrdiff_t mlinesize, ptrdiff_t alinesize, ptrdiff_t dlinesize, int w, int h, int half, int max, int offset)
static int	premultiply_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	filter_frame (AVFilterContext *ctx, AVFrame **out, AVFrame *base, AVFrame *alpha)
static int	process_frame (FFFrameSync *fs)
static int	config_input (AVFilterLink *inlink)
static int	config_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)
static av_cold int	init (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	options []
static const AVFilterPad	premultiply_outputs []

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(PreMultiplyContext, x)

Definition at line 56 of file vf_premultiply.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 57 of file vf_premultiply.c.

Function Documentation

AVFILTER_DEFINE_CLASS_EXT()

AVFILTER_DEFINE_CLASS_EXT	(	premultiply	,
		"(un)premultiply"	,
		options
	)

query_formats()

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 67 of file vf_premultiply.c.

premultiply8()

static void premultiply8 ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 93 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply8yuv()

static void premultiply8yuv ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 113 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply8offset()

static void premultiply8offset ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 133 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply16()

static void premultiply16 ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 153 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply16yuv()

static void premultiply16yuv ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 176 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply16offset()

static void premultiply16offset ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 199 of file vf_premultiply.c.

Referenced by filter_frame().

premultiplyf32()

static void premultiplyf32 ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 222 of file vf_premultiply.c.

Referenced by filter_frame().

premultiplyf32offset()

static void premultiplyf32offset ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  shift, int  offset  )

static

Definition at line 245 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply8()

static void unpremultiply8 ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 270 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply8yuv()

static void unpremultiply8yuv ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 293 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply8offset()

static void unpremultiply8offset ( const uint8_t *  msrc, const uint8_t *  asrc, uint8_t *  dst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 316 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply16()

static void unpremultiply16 ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 339 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply16yuv()

static void unpremultiply16yuv ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 365 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiply16offset()

static void unpremultiply16offset ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 391 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiplyf32()

static void unpremultiplyf32 ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 417 of file vf_premultiply.c.

Referenced by filter_frame().

unpremultiplyf32offset()

static void unpremultiplyf32offset ( const uint8_t *  mmsrc, const uint8_t *  aasrc, uint8_t *  ddst, ptrdiff_t  mlinesize, ptrdiff_t  alinesize, ptrdiff_t  dlinesize, int  w, int  h, int  half, int  max, int  offset  )

static

Definition at line 444 of file vf_premultiply.c.

Referenced by filter_frame().

premultiply_slice()

static int premultiply_slice ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 473 of file vf_premultiply.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterContext *  ctx, AVFrame **  out, AVFrame *  base, AVFrame *  alpha  )

static

Definition at line 508 of file vf_premultiply.c.

Referenced by activate(), and process_frame().

process_frame()

static int process_frame ( FFFrameSync *  fs )

static

Definition at line 646 of file vf_premultiply.c.

Referenced by config_output().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 666 of file vf_premultiply.c.

Referenced by init().

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 693 of file vf_premultiply.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 743 of file vf_premultiply.c.

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 777 of file vf_premultiply.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 805 of file vf_premultiply.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    { "planes", "set planes", OFFSET(planes), AV_OPT_TYPE_INT, {.i64=0xF}, 0, 0xF, FLAGS },
    { "inplace","enable inplace mode", OFFSET(inplace), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
    { NULL }
}

Definition at line 59 of file vf_premultiply.c.

premultiply_outputs

const AVFilterPad premultiply_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_output,
    },
}

Definition at line 813 of file vf_premultiply.c.