48 ptrdiff_t mlinesize, ptrdiff_t alinesize,
54 #define OFFSET(x) offsetof(PreMultiplyContext, x)
55 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
63 #define premultiply_options options
94 ptrdiff_t mlinesize, ptrdiff_t alinesize,
101 for (y = 0; y <
h; y++) {
102 for (x = 0; x <
w; x++) {
103 dst[x] = ((msrc[x] * (((asrc[x] >> 1) & 1) + asrc[x])) + 128) >> 8;
114 ptrdiff_t mlinesize, ptrdiff_t alinesize,
121 for (y = 0; y <
h; y++) {
122 for (x = 0; x <
w; x++) {
123 dst[x] = ((((msrc[x] - 128) * (((asrc[x] >> 1) & 1) + asrc[x]))) >> 8) + 128;
134 ptrdiff_t mlinesize, ptrdiff_t alinesize,
141 for (y = 0; y <
h; y++) {
142 for (x = 0; x <
w; x++) {
143 dst[x] = ((((msrc[x] -
offset) * (((asrc[x] >> 1) & 1) + asrc[x])) + 128) >> 8) +
offset;
154 ptrdiff_t mlinesize, ptrdiff_t alinesize,
159 const uint16_t *msrc = (
const uint16_t *)mmsrc;
160 const uint16_t *asrc = (
const uint16_t *)aasrc;
161 uint16_t *dst = (uint16_t *)ddst;
164 for (y = 0; y <
h; y++) {
165 for (x = 0; x <
w; x++) {
166 dst[x] = ((msrc[x] * (((asrc[x] >> 1) & 1) + asrc[x])) +
half) >>
shift;
169 dst += dlinesize / 2;
170 msrc += mlinesize / 2;
171 asrc += alinesize / 2;
177 ptrdiff_t mlinesize, ptrdiff_t alinesize,
182 const uint16_t *msrc = (
const uint16_t *)mmsrc;
183 const uint16_t *asrc = (
const uint16_t *)aasrc;
184 uint16_t *dst = (uint16_t *)ddst;
187 for (y = 0; y <
h; y++) {
188 for (x = 0; x <
w; x++) {
192 dst += dlinesize / 2;
193 msrc += mlinesize / 2;
194 asrc += alinesize / 2;
200 ptrdiff_t mlinesize, ptrdiff_t alinesize,
205 const uint16_t *msrc = (
const uint16_t *)mmsrc;
206 const uint16_t *asrc = (
const uint16_t *)aasrc;
207 uint16_t *dst = (uint16_t *)ddst;
210 for (y = 0; y <
h; y++) {
211 for (x = 0; x <
w; x++) {
215 dst += dlinesize / 2;
216 msrc += mlinesize / 2;
217 asrc += alinesize / 2;
223 ptrdiff_t mlinesize, ptrdiff_t alinesize,
228 const float *msrc = (
const float *)mmsrc;
229 const float *asrc = (
const float *)aasrc;
230 float *dst = (
float *)ddst;
233 for (y = 0; y <
h; y++) {
234 for (x = 0; x <
w; x++) {
235 dst[x] = msrc[x] * asrc[x];
238 dst += dlinesize / 4;
239 msrc += mlinesize / 4;
240 asrc += alinesize / 4;
246 ptrdiff_t mlinesize, ptrdiff_t alinesize,
251 const float *msrc = (
const float *)mmsrc;
252 const float *asrc = (
const float *)aasrc;
253 float *dst = (
float *)ddst;
256 float offsetf =
offset / 65535.0f;
258 for (y = 0; y <
h; y++) {
259 for (x = 0; x <
w; x++) {
260 dst[x] = ((msrc[x] - offsetf) * asrc[x]) + offsetf;
263 dst += dlinesize / 4;
264 msrc += mlinesize / 4;
265 asrc += alinesize / 4;
271 ptrdiff_t mlinesize, ptrdiff_t alinesize,
278 for (y = 0; y <
h; y++) {
279 for (x = 0; x <
w; x++) {
280 if (asrc[x] > 0 && asrc[x] < 255)
281 dst[x] =
FFMIN(msrc[x] * 255 / asrc[x], 255);
294 ptrdiff_t mlinesize, ptrdiff_t alinesize,
301 for (y = 0; y <
h; y++) {
302 for (x = 0; x <
w; x++) {
303 if (asrc[x] > 0 && asrc[x] < 255)
304 dst[x] =
FFMIN((msrc[x] - 128) * 255 / asrc[x] + 128, 255);
317 ptrdiff_t mlinesize, ptrdiff_t alinesize,
324 for (y = 0; y <
h; y++) {
325 for (x = 0; x <
w; x++) {
326 if (asrc[x] > 0 && asrc[x] < 255)
340 ptrdiff_t mlinesize, ptrdiff_t alinesize,
345 const uint16_t *msrc = (
const uint16_t *)mmsrc;
346 const uint16_t *asrc = (
const uint16_t *)aasrc;
347 uint16_t *dst = (uint16_t *)ddst;
350 for (y = 0; y <
h; y++) {
351 for (x = 0; x <
w; x++) {
352 if (asrc[x] > 0 && asrc[x] <
max)
353 dst[x] =
FFMIN(msrc[x] * (
unsigned)
max / asrc[x],
max);
358 dst += dlinesize / 2;
359 msrc += mlinesize / 2;
360 asrc += alinesize / 2;
366 ptrdiff_t mlinesize, ptrdiff_t alinesize,
371 const uint16_t *msrc = (
const uint16_t *)mmsrc;
372 const uint16_t *asrc = (
const uint16_t *)aasrc;
373 uint16_t *dst = (uint16_t *)ddst;
376 for (y = 0; y <
h; y++) {
377 for (x = 0; x <
w; x++) {
378 if (asrc[x] > 0 && asrc[x] <
max)
384 dst += dlinesize / 2;
385 msrc += mlinesize / 2;
386 asrc += alinesize / 2;
392 ptrdiff_t mlinesize, ptrdiff_t alinesize,
397 const uint16_t *msrc = (
const uint16_t *)mmsrc;
398 const uint16_t *asrc = (
const uint16_t *)aasrc;
399 uint16_t *dst = (uint16_t *)ddst;
402 for (y = 0; y <
h; y++) {
403 for (x = 0; x <
w; x++) {
404 if (asrc[x] > 0 && asrc[x] <
max)
410 dst += dlinesize / 2;
411 msrc += mlinesize / 2;
412 asrc += alinesize / 2;
418 ptrdiff_t mlinesize, ptrdiff_t alinesize,
423 const float *msrc = (
const float *)mmsrc;
424 const float *asrc = (
const float *)aasrc;
426 float *dst = (
float *)ddst;
429 for (y = 0; y <
h; y++) {
430 for (x = 0; x <
w; x++) {
432 dst[x] = msrc[x] / asrc[x];
437 dst += dlinesize / 4;
438 msrc += mlinesize / 4;
439 asrc += alinesize / 4;
445 ptrdiff_t mlinesize, ptrdiff_t alinesize,
450 const float *msrc = (
const float *)mmsrc;
451 const float *asrc = (
const float *)aasrc;
453 float *dst = (
float *)ddst;
456 float offsetf =
offset / 65535.0f;
458 for (y = 0; y <
h; y++) {
459 for (x = 0; x <
w; x++) {
461 dst[x] = (msrc[x] - offsetf) / asrc[x] + offsetf;
466 dst += dlinesize / 4;
467 msrc += mlinesize / 4;
468 asrc += alinesize / 4;
481 for (p = 0; p <
s->nb_planes; p++) {
482 const int slice_start = (
s->height[p] * jobnr) / nb_jobs;
483 const int slice_end = (
s->height[p] * (jobnr+1)) / nb_jobs;
485 if (!((1 << p) &
s->planes) || p == 3) {
488 base->data[p] + slice_start *
base->linesize[p],
494 s->premultiply[p](
base->data[p] + slice_start *
base->linesize[p],
495 s->inplace ?
alpha->data[3] + slice_start *
alpha->linesize[3] :
496 alpha->data[0] + slice_start *
alpha->linesize[0],
497 out->data[p] + slice_start *
out->linesize[p],
498 base->linesize[p],
s->inplace ?
alpha->linesize[3] :
alpha->linesize[0],
501 s->half,
s->inverse ?
s->max :
s->depth,
s->offset);
513 if (
ctx->is_disabled) {
530 switch (outlink->
format) {
582 switch (outlink->
format) {
678 vsub =
desc->log2_chroma_h;
680 s->height[0] =
s->height[3] = inlink->
h;
682 s->width[0] =
s->width[3] = inlink->
w;
685 s->max = (1 <<
s->depth) - 1;
686 s->half = (1 <<
s->depth) / 2;
687 s->offset = 16 << (
s->depth - 8);
711 "(size %dx%d) do not match the corresponding "
712 "second input link %s parameters (%dx%d) ",
719 outlink->
w =
base->w;
720 outlink->
h =
base->h;
732 in[0].time_base =
base->time_base;
733 in[1].time_base =
alpha->time_base;
786 if (!strcmp(
ctx->filter->name,
"unpremultiply"))
825 #if CONFIG_PREMULTIPLY_FILTER
828 .
name =
"premultiply",
829 .description =
NULL_IF_CONFIG_SMALL(
"PreMultiply first stream with first plane of second stream."),
837 .priv_class = &premultiply_class,
845 #if CONFIG_UNPREMULTIPLY_FILTER
847 #define unpremultiply_options options
851 .
name =
"unpremultiply",
852 .description =
NULL_IF_CONFIG_SMALL(
"UnPreMultiply first stream with first plane of second stream."),
860 .priv_class = &unpremultiply_class,
static const AVFilterPad inputs[]
static const AVFilterPad outputs[]
AVFilter ff_vf_unpremultiply
AVFilter ff_vf_premultiply
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(const uint8_t *) pi - 0x80) *(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(const int16_t *) pi >> 8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t, *(const int16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(const int32_t *) pi >> 24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t, *(const int32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(const float *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(const float *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(const float *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(const double *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(const double *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(const double *) pi *(1U<< 31)))) #define SET_CONV_FUNC_GROUP(ofmt, ifmt) static void set_generic_function(AudioConvert *ac) { } void ff_audio_convert_free(AudioConvert **ac) { if(! *ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);} AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enum AVSampleFormat out_fmt, enum AVSampleFormat in_fmt, int channels, int sample_rate, int apply_map) { AudioConvert *ac;int in_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) return NULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method !=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt) > 2) { ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc) { av_free(ac);return NULL;} return ac;} in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar) { ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar ? ac->channels :1;} else if(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;else ac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);return ac;} int ff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in) { int use_generic=1;int len=in->nb_samples;int p;if(ac->dc) { av_log(ac->avr, AV_LOG_TRACE, "%d samples - audio_convert: %s to %s (dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));return ff_convert_dither(ac-> in
int ff_inlink_acknowledge_status(AVFilterLink *link, int *rstatus, int64_t *rpts)
Test and acknowledge the change of status on the link.
int ff_filter_frame(AVFilterLink *link, AVFrame *frame)
Send a frame of data to the next filter.
int ff_filter_get_nb_threads(AVFilterContext *ctx)
Get number of threads for current filter instance.
int ff_inlink_consume_frame(AVFilterLink *link, AVFrame **rframe)
Take a frame from the link's FIFO and update the link's stats.
void ff_inlink_request_frame(AVFilterLink *link)
Mark that a frame is wanted on the link.
Main libavfilter public API header.
#define flags(name, subs,...)
#define fs(width, name, subs,...)
#define AV_CEIL_RSHIFT(a, b)
static void ff_outlink_set_status(AVFilterLink *link, int status, int64_t pts)
Set the status field of a link from the source filter.
#define FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, filter)
Forward the status on an output link to all input links.
static int ff_outlink_frame_wanted(AVFilterLink *link)
Test if a frame is wanted on an output link.
int ff_framesync_configure(FFFrameSync *fs)
Configure a frame sync structure.
int ff_framesync_activate(FFFrameSync *fs)
Examine the frames in the filter's input and try to produce output.
int ff_framesync_get_frame(FFFrameSync *fs, unsigned in, AVFrame **rframe, unsigned get)
Get the current frame in an input.
void ff_framesync_uninit(FFFrameSync *fs)
Free all memory currently allocated.
int ff_framesync_init(FFFrameSync *fs, AVFilterContext *parent, unsigned nb_in)
Initialize a frame sync structure.
@ EXT_STOP
Completely stop all streams with this one.
@ EXT_INFINITY
Extend the frame to infinity.
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
#define AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() c...
#define AVFILTER_FLAG_DYNAMIC_INPUTS
The number of the filter inputs is not determined just by AVFilter.inputs.
AVFrame * av_frame_clone(const AVFrame *src)
Create a new frame that references the same data as src.
void av_frame_free(AVFrame **frame)
Free the frame and any dynamically allocated objects in it, e.g.
int av_frame_copy_props(AVFrame *dst, const AVFrame *src)
Copy only "metadata" fields from src to dst.
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
void av_image_copy_plane(uint8_t *dst, int dst_linesize, const uint8_t *src, int src_linesize, int bytewidth, int height)
Copy image plane from src to dst.
int av_image_fill_linesizes(int linesizes[4], enum AVPixelFormat pix_fmt, int width)
Fill plane linesizes for an image with pixel format pix_fmt and width width.
static const int16_t alpha[]
static int ff_insert_inpad(AVFilterContext *f, unsigned index, AVFilterPad *p)
Insert a new input pad for the filter.
common internal API header
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static const struct @322 planes[]
static uint8_t half(int a, int b)
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
int av_pix_fmt_count_planes(enum AVPixelFormat pix_fmt)
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
#define AV_PIX_FMT_FLAG_FLOAT
The pixel format contains IEEE-754 floating point values.
#define AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRPF32
#define AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_GBRAP16
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
@ AVCOL_RANGE_JPEG
Full range content.
#define AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GBRP12
AVPixelFormat
Pixel format.
@ AV_PIX_FMT_GRAY8
Y , 8bpp.
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
#define AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY14
#define AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_GBRAPF32
#define AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P10
typedef void(RENAME(mix_any_func_type))
static int shift(int a, int b)
Describe the class of an AVClass context structure.
A link between two filters.
int w
agreed upon image width
int h
agreed upon image height
AVFilterContext * src
source filter
AVRational time_base
Define the time base used by the PTS of the frames/samples which will pass through this link.
AVRational sample_aspect_ratio
agreed upon sample aspect ratio
AVRational frame_rate
Frame rate of the stream on the link, or 1/0 if unknown or variable; if left to 0/0,...
AVFilterContext * dst
dest filter
int format
agreed upon media format
A filter pad used for either input or output.
int(* config_props)(AVFilterLink *link)
Link configuration callback.
enum AVMediaType type
AVFilterPad type.
const char * name
Pad name.
const char * name
Filter name.
AVFormatInternal * internal
An opaque field for libavformat internal usage.
This structure describes decoded (raw) audio or video data.
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
void(* premultiply[4])(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)
Used for passing data between threads.
static enum AVPixelFormat alpha_pix_fmts[]
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 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 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 const AVOption options[]
static const AVFilterPad premultiply_outputs[]
static int query_formats(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
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 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 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 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 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 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 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)
AVFILTER_DEFINE_CLASS(premultiply)
static int activate(AVFilterContext *ctx)
static av_cold int init(AVFilterContext *ctx)
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 av_cold void uninit(AVFilterContext *ctx)
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 int config_output(AVFilterLink *outlink)
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 int premultiply_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int process_frame(FFFrameSync *fs)
static int filter_frame(AVFilterContext *ctx, AVFrame **out, AVFrame *base, AVFrame *alpha)
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 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 const uint8_t offset[127][2]
AVFrame * ff_get_video_buffer(AVFilterLink *link, int w, int h)
Request a picture buffer with a specific set of permissions.