#include "libavutil/pixdesc.h"
#include "libavutil/opt.h"
#include "avfilter.h"
+#include "filters.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
int linesize[4];
int nb_planes;
int planes;
- int half, depth, offset;
+ int inverse;
+ int inplace;
+ int half, depth, offset, max;
FFFrameSync fs;
void (*premultiply[4])(const uint8_t *msrc, const uint8_t *asrc,
#define OFFSET(x) offsetof(PreMultiplyContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
-static const AVOption premultiply_options[] = {
+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 }
};
+#define premultiply_options options
AVFILTER_DEFINE_CLASS(premultiply);
static int query_formats(AVFilterContext *ctx)
{
- static const enum AVPixelFormat pix_fmts[] = {
+ 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_GRAY8, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY16,
+ AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, 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_YUVA444P16,
+ AV_PIX_FMT_GBRAP,
+ AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
AV_PIX_FMT_NONE
};
- return ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
+ return ff_set_common_formats(ctx, ff_make_format_list(s->inplace ? alpha_pix_fmts : no_alpha_pix_fmts));
}
static void premultiply8(const uint8_t *msrc, const uint8_t *asrc,
}
}
-static int process_frame(FFFrameSync *fs)
+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)
{
- AVFilterContext *ctx = fs->parent;
- PreMultiplyContext *s = fs->opaque;
- AVFilterLink *outlink = ctx->outputs[0];
- AVFrame *out, *base, *alpha;
- int ret;
+ int x, y;
- 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;
+ 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((msrc[x] - offset) * 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((msrc[x] - offset) * (unsigned)max / asrc[x] + offset, max), 0);
+ else
+ dst[x] = msrc[x];
+ }
+
+ dst += dlinesize / 2;
+ msrc += mlinesize / 2;
+ asrc += alinesize / 2;
+ }
+}
+
+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)
+ *out = av_frame_clone(base);
+ if (!*out)
return AVERROR(ENOMEM);
} else {
int p, full, limited;
- out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
- if (!out)
+ *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!*out)
return AVERROR(ENOMEM);
- av_frame_copy_props(out, base);
+ av_frame_copy_props(*out, base);
full = base->color_range == AVCOL_RANGE_JPEG;
limited = base->color_range == AVCOL_RANGE_MPEG;
- switch (outlink->format) {
- case AV_PIX_FMT_YUV444P:
- s->premultiply[0] = full ? premultiply8 : premultiply8offset;
- s->premultiply[1] = premultiply8yuv;
- s->premultiply[2] = premultiply8yuv;
- break;
- case AV_PIX_FMT_YUVJ444P:
- s->premultiply[0] = premultiply8;
- s->premultiply[1] = premultiply8yuv;
- s->premultiply[2] = premultiply8yuv;
- break;
- case AV_PIX_FMT_GBRP:
- s->premultiply[0] = limited ? premultiply8offset : premultiply8;
- s->premultiply[1] = limited ? premultiply8offset : premultiply8;
- s->premultiply[2] = limited ? premultiply8offset : premultiply8;
- break;
- case AV_PIX_FMT_YUV444P9:
- case AV_PIX_FMT_YUV444P10:
- case AV_PIX_FMT_YUV444P12:
- case AV_PIX_FMT_YUV444P14:
- case AV_PIX_FMT_YUV444P16:
- s->premultiply[0] = full ? premultiply16 : premultiply16offset;
- s->premultiply[1] = premultiply16yuv;
- s->premultiply[2] = premultiply16yuv;
- break;
- case AV_PIX_FMT_GBRP9:
- case AV_PIX_FMT_GBRP10:
- case AV_PIX_FMT_GBRP12:
- case AV_PIX_FMT_GBRP14:
- case AV_PIX_FMT_GBRP16:
- s->premultiply[0] = limited ? premultiply16offset : premultiply16;
- s->premultiply[1] = limited ? premultiply16offset : premultiply16;
- s->premultiply[2] = limited ? premultiply16offset : premultiply16;
- break;
- case AV_PIX_FMT_GRAY8:
- s->premultiply[0] = limited ? premultiply8offset : premultiply8;
- break;
- case AV_PIX_FMT_GRAY10:
- case AV_PIX_FMT_GRAY12:
- case AV_PIX_FMT_GRAY16:
- s->premultiply[0] = limited ? premultiply16offset : premultiply16;
- break;
+ 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_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_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_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_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_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_GRAY16:
+ s->premultiply[0] = limited ? premultiply16offset : premultiply16;
+ break;
+ }
}
for (p = 0; p < s->nb_planes; p++) {
- if (!((1 << p) & s->planes)) {
- av_image_copy_plane(out->data[p], out->linesize[p], base->data[p], base->linesize[p],
+ if (!((1 << p) & s->planes) || p == 3) {
+ av_image_copy_plane((*out)->data[p], (*out)->linesize[p], base->data[p], base->linesize[p],
s->linesize[p], s->height[p]);
continue;
}
- s->premultiply[p](base->data[p], alpha->data[0],
- out->data[p],
- base->linesize[p], alpha->linesize[0],
- out->linesize[p],
+ s->premultiply[p](base->data[p], s->inplace ? alpha->data[3] : alpha->data[0],
+ (*out)->data[p],
+ base->linesize[p], s->inplace ? alpha->linesize[3] : alpha->linesize[0],
+ (*out)->linesize[p],
s->width[p], s->height[p],
- s->half, s->depth, s->offset);
+ s->half, s->inverse ? s->max : s->depth, s->offset);
}
}
+
+ 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);
s->width[0] = s->width[3] = inlink->w;
s->depth = desc->comp[0].depth;
+ s->max = (1 << s->depth) - 1;
s->half = (1 << s->depth) / 2;
s->offset = 16 << (s->depth - 8);
AVFilterContext *ctx = outlink->src;
PreMultiplyContext *s = ctx->priv;
AVFilterLink *base = ctx->inputs[0];
- AVFilterLink *alpha = ctx->inputs[1];
+ AVFilterLink *alpha;
FFFrameSyncIn *in;
int ret;
- if (base->format != alpha->format) {
- av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
- return AVERROR(EINVAL);
- }
- 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);
+ if (!s->inplace) {
+ alpha = ctx->inputs[1];
+
+ if (base->format != alpha->format) {
+ av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
+ return AVERROR(EINVAL);
+ }
+ 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->sample_aspect_ratio = base->sample_aspect_ratio;
outlink->frame_rate = base->frame_rate;
+ if (s->inplace)
+ return 0;
+
if ((ret = ff_framesync_init(&s->fs, ctx, 2)) < 0)
return ret;
return ff_framesync_configure(&s->fs);
}
-static int filter_frame(AVFilterLink *inlink, AVFrame *buf)
+static int activate(AVFilterContext *ctx)
{
- PreMultiplyContext *s = inlink->dst->priv;
- return ff_framesync_filter_frame(&s->fs, inlink, buf);
+ PreMultiplyContext *s = ctx->priv;
+
+ if (s->inplace) {
+ AVFrame *frame = NULL;
+ AVFrame *out = NULL;
+ int ret, status;
+ int64_t pts;
+
+ if ((ret = ff_inlink_consume_frame(ctx->inputs[0], &frame)) > 0) {
+ if ((ret = filter_frame(ctx, &out, frame, frame)) < 0)
+ return ret;
+ av_frame_free(&frame);
+ 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 int request_frame(AVFilterLink *outlink)
+static av_cold int init(AVFilterContext *ctx)
{
- PreMultiplyContext *s = outlink->src->priv;
- return ff_framesync_request_frame(&s->fs, outlink);
+ 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 = av_strdup("main");
+ pad.config_props = config_input;
+ if (!pad.name)
+ return AVERROR(ENOMEM);
+
+ if ((ret = ff_insert_inpad(ctx, 0, &pad)) < 0) {
+ av_freep(&pad.name);
+ return ret;
+ }
+
+ if (!s->inplace) {
+ pad.type = AVMEDIA_TYPE_VIDEO;
+ pad.name = av_strdup("alpha");
+ pad.config_props = NULL;
+ if (!pad.name)
+ return AVERROR(ENOMEM);
+
+ if ((ret = ff_insert_inpad(ctx, 1, &pad)) < 0) {
+ av_freep(&pad.name);
+ return ret;
+ }
+ }
+
+ return 0;
}
static av_cold void uninit(AVFilterContext *ctx)
{
PreMultiplyContext *s = ctx->priv;
- ff_framesync_uninit(&s->fs);
+ if (!s->inplace)
+ ff_framesync_uninit(&s->fs);
}
-static const AVFilterPad premultiply_inputs[] = {
- {
- .name = "main",
- .type = AVMEDIA_TYPE_VIDEO,
- .filter_frame = filter_frame,
- .config_props = config_input,
- },
- {
- .name = "alpha",
- .type = AVMEDIA_TYPE_VIDEO,
- .filter_frame = filter_frame,
- },
- { NULL }
-};
-
static const AVFilterPad premultiply_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_output,
- .request_frame = request_frame,
},
{ NULL }
};
+#if CONFIG_PREMULTIPLY_FILTER
+
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,
.query_formats = query_formats,
- .inputs = premultiply_inputs,
+ .activate = activate,
+ .inputs = NULL,
.outputs = premultiply_outputs,
.priv_class = &premultiply_class,
- .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
+ AVFILTER_FLAG_DYNAMIC_INPUTS,
};
+
+#endif /* CONFIG_PREMULTIPLY_FILTER */
+
+#if CONFIG_UNPREMULTIPLY_FILTER
+
+#define unpremultiply_options options
+AVFILTER_DEFINE_CLASS(unpremultiply);
+
+AVFilter ff_vf_unpremultiply = {
+ .name = "unpremultiply",
+ .description = NULL_IF_CONFIG_SMALL("UnPreMultiply first stream with first plane of second stream."),
+ .priv_size = sizeof(PreMultiplyContext),
+ .init = init,
+ .uninit = uninit,
+ .query_formats = query_formats,
+ .activate = activate,
+ .inputs = NULL,
+ .outputs = premultiply_outputs,
+ .priv_class = &unpremultiply_class,
+ .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL |
+ AVFILTER_FLAG_DYNAMIC_INPUTS,
+};
+
+#endif /* CONFIG_UNPREMULTIPLY_FILTER */
projects / ffmpeg / blobdiff