mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
860 lines
28 KiB
860 lines
28 KiB
/* |
|
* Copyright (c) 2016 Paul B Mahol |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#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 "video.h" |
|
|
|
typedef struct ThreadData { |
|
AVFrame *m, *a, *d; |
|
} ThreadData; |
|
|
|
typedef struct PreMultiplyContext { |
|
const AVClass *class; |
|
int width[AV_VIDEO_MAX_PLANES], height[AV_VIDEO_MAX_PLANES]; |
|
int linesize[AV_VIDEO_MAX_PLANES]; |
|
int nb_planes; |
|
int planes; |
|
int inverse; |
|
int inplace; |
|
int half, depth, offset, max; |
|
FFFrameSync fs; |
|
|
|
void (*premultiply[AV_VIDEO_MAX_PLANES])(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); |
|
} PreMultiplyContext; |
|
|
|
#define OFFSET(x) offsetof(PreMultiplyContext, x) |
|
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
|
|
|
static const AVOption options[] = { |
|
{ "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 } |
|
}; |
|
|
|
AVFILTER_DEFINE_CLASS_EXT(premultiply, "(un)premultiply", options); |
|
|
|
static int query_formats(AVFilterContext *ctx) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
|
|
static const enum AVPixelFormat no_alpha_pix_fmts[] = { |
|
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, |
|
AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10, |
|
AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14, |
|
AV_PIX_FMT_YUV444P16, |
|
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
|
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRPF32, |
|
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, |
|
AV_PIX_FMT_NONE |
|
}; |
|
|
|
static const enum AVPixelFormat alpha_pix_fmts[] = { |
|
AV_PIX_FMT_YUVA444P, |
|
AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16, |
|
AV_PIX_FMT_GBRAP, |
|
AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16, AV_PIX_FMT_GBRAPF32, |
|
AV_PIX_FMT_NONE |
|
}; |
|
|
|
return ff_set_common_formats_from_list(ctx, s->inplace ? alpha_pix_fmts : no_alpha_pix_fmts); |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((msrc[x] * (((asrc[x] >> 1) & 1) + asrc[x])) + 128) >> 8; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((((msrc[x] - 128) * (((asrc[x] >> 1) & 1) + asrc[x]))) >> 8) + 128; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((((msrc[x] - offset) * (((asrc[x] >> 1) & 1) + asrc[x])) + 128) >> 8) + offset; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((msrc[x] * (((asrc[x] >> 1) & 1) + asrc[x])) + half) >> shift; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((((msrc[x] - half) * (int64_t)(((asrc[x] >> 1) & 1) + asrc[x]))) >> shift) + half; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((((msrc[x] - offset) * (int64_t)(((asrc[x] >> 1) & 1) + asrc[x])) + half) >> shift) + offset; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const float *msrc = (const float *)mmsrc; |
|
const float *asrc = (const float *)aasrc; |
|
float *dst = (float *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = msrc[x] * asrc[x]; |
|
} |
|
|
|
dst += dlinesize / 4; |
|
msrc += mlinesize / 4; |
|
asrc += alinesize / 4; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const float *msrc = (const float *)mmsrc; |
|
const float *asrc = (const float *)aasrc; |
|
float *dst = (float *)ddst; |
|
int x, y; |
|
|
|
float offsetf = offset / 65535.0f; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
dst[x] = ((msrc[x] - offsetf) * asrc[x]) + offsetf; |
|
} |
|
|
|
dst += dlinesize / 4; |
|
msrc += mlinesize / 4; |
|
asrc += alinesize / 4; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < 255) |
|
dst[x] = FFMIN(msrc[x] * 255 / asrc[x], 255); |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < 255) |
|
dst[x] = FFMIN((msrc[x] - 128) * 255 / asrc[x] + 128, 255); |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < 255) |
|
dst[x] = FFMIN(FFMAX(msrc[x] - offset, 0) * 255 / asrc[x] + offset, 255); |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize; |
|
msrc += mlinesize; |
|
asrc += alinesize; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < max) |
|
dst[x] = FFMIN(msrc[x] * (unsigned)max / asrc[x], max); |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < max) |
|
dst[x] = FFMAX(FFMIN((msrc[x] - half) * max / asrc[x], half - 1), -half) + half; |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const uint16_t *msrc = (const uint16_t *)mmsrc; |
|
const uint16_t *asrc = (const uint16_t *)aasrc; |
|
uint16_t *dst = (uint16_t *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0 && asrc[x] < max) |
|
dst[x] = FFMAX(FFMIN(FFMAX(msrc[x] - offset, 0) * (unsigned)max / asrc[x] + offset, max), 0); |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize / 2; |
|
msrc += mlinesize / 2; |
|
asrc += alinesize / 2; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const float *msrc = (const float *)mmsrc; |
|
const float *asrc = (const float *)aasrc; |
|
|
|
float *dst = (float *)ddst; |
|
int x, y; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0.0f) |
|
dst[x] = msrc[x] / asrc[x]; |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize / 4; |
|
msrc += mlinesize / 4; |
|
asrc += alinesize / 4; |
|
} |
|
} |
|
|
|
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) |
|
{ |
|
const float *msrc = (const float *)mmsrc; |
|
const float *asrc = (const float *)aasrc; |
|
|
|
float *dst = (float *)ddst; |
|
int x, y; |
|
|
|
float offsetf = offset / 65535.0f; |
|
|
|
for (y = 0; y < h; y++) { |
|
for (x = 0; x < w; x++) { |
|
if (asrc[x] > 0.0f) |
|
dst[x] = (msrc[x] - offsetf) / asrc[x] + offsetf; |
|
else |
|
dst[x] = msrc[x]; |
|
} |
|
|
|
dst += dlinesize / 4; |
|
msrc += mlinesize / 4; |
|
asrc += alinesize / 4; |
|
} |
|
} |
|
|
|
static int premultiply_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
ThreadData *td = arg; |
|
AVFrame *out = td->d; |
|
AVFrame *alpha = td->a; |
|
AVFrame *base = td->m; |
|
int p; |
|
|
|
for (p = 0; p < s->nb_planes; p++) { |
|
const int slice_start = (s->height[p] * jobnr) / nb_jobs; |
|
const int slice_end = (s->height[p] * (jobnr+1)) / nb_jobs; |
|
|
|
if (!((1 << p) & s->planes) || p == 3) { |
|
av_image_copy_plane(out->data[p] + slice_start * out->linesize[p], |
|
out->linesize[p], |
|
base->data[p] + slice_start * base->linesize[p], |
|
base->linesize[p], |
|
s->linesize[p], slice_end - slice_start); |
|
continue; |
|
} |
|
|
|
s->premultiply[p](base->data[p] + slice_start * base->linesize[p], |
|
s->inplace ? alpha->data[3] + slice_start * alpha->linesize[3] : |
|
alpha->data[0] + slice_start * alpha->linesize[0], |
|
out->data[p] + slice_start * out->linesize[p], |
|
base->linesize[p], s->inplace ? alpha->linesize[3] : alpha->linesize[0], |
|
out->linesize[p], |
|
s->width[p], slice_end - slice_start, |
|
s->half, s->inverse ? s->max : s->depth, s->offset); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int filter_frame(AVFilterContext *ctx, |
|
AVFrame **out, AVFrame *base, AVFrame *alpha) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
AVFilterLink *outlink = ctx->outputs[0]; |
|
|
|
if (ctx->is_disabled) { |
|
*out = av_frame_clone(base); |
|
if (!*out) |
|
return AVERROR(ENOMEM); |
|
} else { |
|
ThreadData td; |
|
int full, limited; |
|
|
|
*out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
|
if (!*out) |
|
return AVERROR(ENOMEM); |
|
av_frame_copy_props(*out, base); |
|
|
|
full = base->color_range == AVCOL_RANGE_JPEG; |
|
limited = base->color_range == AVCOL_RANGE_MPEG; |
|
|
|
if (s->inverse) { |
|
switch (outlink->format) { |
|
case AV_PIX_FMT_YUV444P: |
|
case AV_PIX_FMT_YUVA444P: |
|
s->premultiply[0] = full ? unpremultiply8 : unpremultiply8offset; |
|
s->premultiply[1] = s->premultiply[2] = unpremultiply8yuv; |
|
break; |
|
case AV_PIX_FMT_YUVJ444P: |
|
s->premultiply[0] = unpremultiply8; |
|
s->premultiply[1] = s->premultiply[2] = unpremultiply8yuv; |
|
break; |
|
case AV_PIX_FMT_GBRP: |
|
case AV_PIX_FMT_GBRAP: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? unpremultiply8offset : unpremultiply8; |
|
break; |
|
case AV_PIX_FMT_YUV444P9: |
|
case AV_PIX_FMT_YUVA444P9: |
|
case AV_PIX_FMT_YUV444P10: |
|
case AV_PIX_FMT_YUVA444P10: |
|
case AV_PIX_FMT_YUV444P12: |
|
case AV_PIX_FMT_YUVA444P12: |
|
case AV_PIX_FMT_YUV444P14: |
|
case AV_PIX_FMT_YUV444P16: |
|
case AV_PIX_FMT_YUVA444P16: |
|
s->premultiply[0] = full ? unpremultiply16 : unpremultiply16offset; |
|
s->premultiply[1] = s->premultiply[2] = unpremultiply16yuv; |
|
break; |
|
case AV_PIX_FMT_GBRP9: |
|
case AV_PIX_FMT_GBRP10: |
|
case AV_PIX_FMT_GBRAP10: |
|
case AV_PIX_FMT_GBRP12: |
|
case AV_PIX_FMT_GBRAP12: |
|
case AV_PIX_FMT_GBRP14: |
|
case AV_PIX_FMT_GBRP16: |
|
case AV_PIX_FMT_GBRAP16: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? unpremultiply16offset : unpremultiply16; |
|
break; |
|
case AV_PIX_FMT_GBRPF32: |
|
case AV_PIX_FMT_GBRAPF32: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? unpremultiplyf32offset : unpremultiplyf32; |
|
break; |
|
case AV_PIX_FMT_GRAY8: |
|
s->premultiply[0] = limited ? unpremultiply8offset : unpremultiply8; |
|
break; |
|
case AV_PIX_FMT_GRAY9: |
|
case AV_PIX_FMT_GRAY10: |
|
case AV_PIX_FMT_GRAY12: |
|
case AV_PIX_FMT_GRAY14: |
|
case AV_PIX_FMT_GRAY16: |
|
s->premultiply[0] = limited ? unpremultiply16offset : unpremultiply16; |
|
break; |
|
} |
|
} else { |
|
switch (outlink->format) { |
|
case AV_PIX_FMT_YUV444P: |
|
case AV_PIX_FMT_YUVA444P: |
|
s->premultiply[0] = full ? premultiply8 : premultiply8offset; |
|
s->premultiply[1] = s->premultiply[2] = premultiply8yuv; |
|
break; |
|
case AV_PIX_FMT_YUVJ444P: |
|
s->premultiply[0] = premultiply8; |
|
s->premultiply[1] = s->premultiply[2] = premultiply8yuv; |
|
break; |
|
case AV_PIX_FMT_GBRP: |
|
case AV_PIX_FMT_GBRAP: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? premultiply8offset : premultiply8; |
|
break; |
|
case AV_PIX_FMT_YUV444P9: |
|
case AV_PIX_FMT_YUVA444P9: |
|
case AV_PIX_FMT_YUV444P10: |
|
case AV_PIX_FMT_YUVA444P10: |
|
case AV_PIX_FMT_YUV444P12: |
|
case AV_PIX_FMT_YUVA444P12: |
|
case AV_PIX_FMT_YUV444P14: |
|
case AV_PIX_FMT_YUV444P16: |
|
case AV_PIX_FMT_YUVA444P16: |
|
s->premultiply[0] = full ? premultiply16 : premultiply16offset; |
|
s->premultiply[1] = s->premultiply[2] = premultiply16yuv; |
|
break; |
|
case AV_PIX_FMT_GBRP9: |
|
case AV_PIX_FMT_GBRP10: |
|
case AV_PIX_FMT_GBRAP10: |
|
case AV_PIX_FMT_GBRP12: |
|
case AV_PIX_FMT_GBRAP12: |
|
case AV_PIX_FMT_GBRP14: |
|
case AV_PIX_FMT_GBRP16: |
|
case AV_PIX_FMT_GBRAP16: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? premultiply16offset : premultiply16; |
|
break; |
|
case AV_PIX_FMT_GBRPF32: |
|
case AV_PIX_FMT_GBRAPF32: |
|
s->premultiply[0] = s->premultiply[1] = s->premultiply[2] = limited ? premultiplyf32offset: premultiplyf32; |
|
break; |
|
case AV_PIX_FMT_GRAY8: |
|
s->premultiply[0] = limited ? premultiply8offset : premultiply8; |
|
break; |
|
case AV_PIX_FMT_GRAY9: |
|
case AV_PIX_FMT_GRAY10: |
|
case AV_PIX_FMT_GRAY12: |
|
case AV_PIX_FMT_GRAY14: |
|
case AV_PIX_FMT_GRAY16: |
|
s->premultiply[0] = limited ? premultiply16offset : premultiply16; |
|
break; |
|
} |
|
} |
|
|
|
td.d = *out; |
|
td.a = alpha; |
|
td.m = base; |
|
ff_filter_execute(ctx, premultiply_slice, &td, NULL, |
|
FFMIN(s->height[0], ff_filter_get_nb_threads(ctx))); |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int process_frame(FFFrameSync *fs) |
|
{ |
|
AVFilterContext *ctx = fs->parent; |
|
PreMultiplyContext *s = fs->opaque; |
|
AVFilterLink *outlink = ctx->outputs[0]; |
|
AVFrame *out = NULL, *base, *alpha; |
|
int ret; |
|
|
|
if ((ret = ff_framesync_get_frame(&s->fs, 0, &base, 0)) < 0 || |
|
(ret = ff_framesync_get_frame(&s->fs, 1, &alpha, 0)) < 0) |
|
return ret; |
|
|
|
if ((ret = filter_frame(ctx, &out, base, alpha)) < 0) |
|
return ret; |
|
|
|
out->pts = av_rescale_q(base->pts, s->fs.time_base, outlink->time_base); |
|
|
|
return ff_filter_frame(outlink, out); |
|
} |
|
|
|
static int config_input(AVFilterLink *inlink) |
|
{ |
|
AVFilterContext *ctx = inlink->dst; |
|
PreMultiplyContext *s = ctx->priv; |
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
|
int vsub, hsub, ret; |
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
|
|
|
if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0) |
|
return ret; |
|
|
|
hsub = desc->log2_chroma_w; |
|
vsub = desc->log2_chroma_h; |
|
s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub); |
|
s->height[0] = s->height[3] = inlink->h; |
|
s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub); |
|
s->width[0] = s->width[3] = inlink->w; |
|
|
|
s->depth = desc->flags & AV_PIX_FMT_FLAG_FLOAT ? 16 : desc->comp[0].depth; |
|
s->max = (1 << s->depth) - 1; |
|
s->half = (1 << s->depth) / 2; |
|
s->offset = 16 << (s->depth - 8); |
|
|
|
return 0; |
|
} |
|
|
|
static int config_output(AVFilterLink *outlink) |
|
{ |
|
AVFilterContext *ctx = outlink->src; |
|
PreMultiplyContext *s = ctx->priv; |
|
AVFilterLink *base = ctx->inputs[0]; |
|
AVFilterLink *alpha; |
|
FilterLink *il = ff_filter_link(base); |
|
FilterLink *ol = ff_filter_link(outlink); |
|
FFFrameSyncIn *in; |
|
int ret; |
|
|
|
if (!s->inplace) { |
|
alpha = ctx->inputs[1]; |
|
|
|
if (base->w != alpha->w || |
|
base->h != alpha->h) { |
|
av_log(ctx, AV_LOG_ERROR, "First input link %s parameters " |
|
"(size %dx%d) do not match the corresponding " |
|
"second input link %s parameters (%dx%d) ", |
|
ctx->input_pads[0].name, base->w, base->h, |
|
ctx->input_pads[1].name, alpha->w, alpha->h); |
|
return AVERROR(EINVAL); |
|
} |
|
} |
|
|
|
outlink->w = base->w; |
|
outlink->h = base->h; |
|
outlink->time_base = base->time_base; |
|
outlink->sample_aspect_ratio = base->sample_aspect_ratio; |
|
ol->frame_rate = il->frame_rate; |
|
|
|
if (s->inplace) |
|
return 0; |
|
|
|
if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0) |
|
return ret; |
|
|
|
in = s->fs.in; |
|
in[0].time_base = base->time_base; |
|
in[1].time_base = alpha->time_base; |
|
in[0].sync = 1; |
|
in[0].before = EXT_STOP; |
|
in[0].after = EXT_INFINITY; |
|
in[1].sync = 1; |
|
in[1].before = EXT_STOP; |
|
in[1].after = EXT_INFINITY; |
|
s->fs.opaque = s; |
|
s->fs.on_event = process_frame; |
|
|
|
return ff_framesync_configure(&s->fs); |
|
} |
|
|
|
static int activate(AVFilterContext *ctx) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
|
|
if (s->inplace) { |
|
AVFrame *frame = NULL; |
|
AVFrame *out = NULL; |
|
int ret, status; |
|
int64_t pts; |
|
|
|
FF_FILTER_FORWARD_STATUS_BACK_ALL(ctx->outputs[0], ctx); |
|
|
|
if ((ret = ff_inlink_consume_frame(ctx->inputs[0], &frame)) > 0) { |
|
ret = filter_frame(ctx, &out, frame, frame); |
|
av_frame_free(&frame); |
|
if (ret < 0) |
|
return ret; |
|
ret = ff_filter_frame(ctx->outputs[0], out); |
|
} |
|
if (ret < 0) { |
|
return ret; |
|
} else if (ff_inlink_acknowledge_status(ctx->inputs[0], &status, &pts)) { |
|
ff_outlink_set_status(ctx->outputs[0], status, pts); |
|
return 0; |
|
} else { |
|
if (ff_outlink_frame_wanted(ctx->outputs[0])) |
|
ff_inlink_request_frame(ctx->inputs[0]); |
|
return 0; |
|
} |
|
} else { |
|
return ff_framesync_activate(&s->fs); |
|
} |
|
} |
|
|
|
static av_cold int init(AVFilterContext *ctx) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
AVFilterPad pad = { 0 }; |
|
int ret; |
|
|
|
if (!strcmp(ctx->filter->name, "unpremultiply")) |
|
s->inverse = 1; |
|
|
|
pad.type = AVMEDIA_TYPE_VIDEO; |
|
pad.name = "main"; |
|
pad.config_props = config_input; |
|
|
|
if ((ret = ff_append_inpad(ctx, &pad)) < 0) |
|
return ret; |
|
|
|
if (!s->inplace) { |
|
pad.type = AVMEDIA_TYPE_VIDEO; |
|
pad.name = "alpha"; |
|
pad.config_props = NULL; |
|
|
|
if ((ret = ff_append_inpad(ctx, &pad)) < 0) |
|
return ret; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static av_cold void uninit(AVFilterContext *ctx) |
|
{ |
|
PreMultiplyContext *s = ctx->priv; |
|
|
|
if (!s->inplace) |
|
ff_framesync_uninit(&s->fs); |
|
} |
|
|
|
static const AVFilterPad premultiply_outputs[] = { |
|
{ |
|
.name = "default", |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.config_props = config_output, |
|
}, |
|
}; |
|
|
|
#if CONFIG_PREMULTIPLY_FILTER |
|
|
|
const AVFilter ff_vf_premultiply = { |
|
.name = "premultiply", |
|
.description = NULL_IF_CONFIG_SMALL("PreMultiply first stream with first plane of second stream."), |
|
.priv_size = sizeof(PreMultiplyContext), |
|
.init = init, |
|
.uninit = uninit, |
|
.activate = activate, |
|
.inputs = NULL, |
|
FILTER_OUTPUTS(premultiply_outputs), |
|
FILTER_QUERY_FUNC(query_formats), |
|
.priv_class = &premultiply_class, |
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | |
|
AVFILTER_FLAG_DYNAMIC_INPUTS | |
|
AVFILTER_FLAG_SLICE_THREADS, |
|
}; |
|
|
|
#endif /* CONFIG_PREMULTIPLY_FILTER */ |
|
|
|
#if CONFIG_UNPREMULTIPLY_FILTER |
|
|
|
const AVFilter ff_vf_unpremultiply = { |
|
.name = "unpremultiply", |
|
.description = NULL_IF_CONFIG_SMALL("UnPreMultiply first stream with first plane of second stream."), |
|
.priv_class = &premultiply_class, |
|
.priv_size = sizeof(PreMultiplyContext), |
|
.init = init, |
|
.uninit = uninit, |
|
.activate = activate, |
|
.inputs = NULL, |
|
FILTER_OUTPUTS(premultiply_outputs), |
|
FILTER_QUERY_FUNC(query_formats), |
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | |
|
AVFILTER_FLAG_DYNAMIC_INPUTS | |
|
AVFILTER_FLAG_SLICE_THREADS, |
|
}; |
|
|
|
#endif /* CONFIG_UNPREMULTIPLY_FILTER */
|
|
|