You are duplicating some functionality of signalstats filter. On 12/27/19, lance.lmw...@gmail.com <lance.lmw...@gmail.com> wrote: > From: Limin Wang <lance.lmw...@gmail.com> > > Signed-off-by: Limin Wang <lance.lmw...@gmail.com> > --- > doc/filters.texi | 74 ++++++ > libavfilter/Makefile | 1 + > libavfilter/allfilters.c | 3 + > libavfilter/vf_colorstats.c | 461 ++++++++++++++++++++++++++++++++++++ > 4 files changed, 539 insertions(+) > create mode 100644 libavfilter/vf_colorstats.c > > diff --git a/doc/filters.texi b/doc/filters.texi > index 8c5d3a5760..81968b2c17 100644 > --- a/doc/filters.texi > +++ b/doc/filters.texi > @@ -7695,6 +7695,80 @@ For example to convert the input to SMPTE-240M, use > the command: > colorspace=smpte240m > @end example > > +@section colorstats, colorrgbstats, coloryuvstats > +The filter provides statistical video measurements such as mean, minimum, > maximum and > +standard deviation for each frame. The user can check for > unexpected/accidental errors > +very quickly with them. > + > +@var{colorrgbstats} report the color stats for RGB input video, > @var{coloryuvstats} > +to an YUV input video. > + > +These filters accept the following parameters: > +@table @option > +@item planes > +Set which planes to filter. Default is only the first plane. > +@end table > + > +By default the filter will report these metadata values if the planes > +are processed: > + > +@table @option > +@item min.y, min.u, min.v, min.r, min.g, min.b, min.a > +Display the minimal Y/U/V/R/G/B/A plane value contained within the input > frame. > +Expressed in range of [0, 1<<bitdepth-1] > + > +@item pmin.y, pmin.u, pmin.v, pmin.r, pmin.g, pmin.b, min.a > +Display the minimal Y/U/V/R/G/B/A plane percentage of maximum contained > within > +the input frame. Expressed in range of [0, 1] > + > +@item max.y, max.u, max.v, max.r, max.g, max.b, max.a > +Display the maximum Y/U/V/R/G/B/A plane value contained within the input > frame. > +Expressed in range of [0, 1<<bitdepth-1] > + > +@item pmax.y, pmax.u, pmax.v, pmax.r, pmax.g, pmax.b, pmax.a > +Display the maximum Y/U/V/R/G/B/A plane percentage of maximum contained > within > +the input frame. Expressed in range of [0, 1] > + > +@item mean.y, mean.u, mean.v, mean.r, mean.g, mean.b, mean.a > +Display the Y/U/V/R/G/B/A plane mean value contained within the input > frame. > +Expressed in range of [0, 1<<bitdepth-1] > + > +@item pmean.y, pmean.u, pmean.v, pmean.r, pmean.g, pmean.b, pmean.a > +Display the Y/U/V/R/G/B/A plane mean value percentage of maximum contained > within > +the input frame. Expressed in range of [0, 1] > + > +@item stdev.y, stdev.u, stdev.v, stdev.r, stdev.g, stdev.b, stdev.a > +Display the Y/U/V/R/G/B/A plane standard deviation value contained within > the > +input frame. Expressed in range of [0, 1<<bitdepth-1] > + > +@item pstdev.y, pstdev.u, pstdev.v, pstdev.r, pstdev.g, pstdev.b, pstdev.a > +Display the Y/U/V/R/G/B/A plane standard deviation value percentage of > maximum contained > +within the input frame. Expressed in range of [0, 1] > +@end table > + > +@subsection Examples > + > +@itemize > +@item > +Show all YUV color stats for each frame: > +@example > +ffprobe -f lavfi movie=example.mov,coloryuvstats=planes=0xf -show_frames > +@end example > + > +@item > +Draw graph for the pmean and pstdev value of the Y plane per frame: > +@example > +ffplay -i example.mov -vf > coloryuvstats,drawgraph=m1=lavf.colorstats.pmean.y:m2=lavf.colorstats.pstdev.y:min=0:max=1 > +@end example > + > +@item > +Print all RGB color stats for each frame: > +@example > +ffplay -i example.mov -vf colorrgbstats=planes=0xf,metadata=mode=print > +@end example > + > +@end itemize > + > @section convolution > > Apply convolution of 3x3, 5x5, 7x7 or horizontal/vertical up to 49 > elements. > diff --git a/libavfilter/Makefile b/libavfilter/Makefile > index 37d4eee858..a007bd32d1 100644 > --- a/libavfilter/Makefile > +++ b/libavfilter/Makefile > @@ -182,6 +182,7 @@ OBJS-$(CONFIG_CIESCOPE_FILTER) += > vf_ciescope.o > OBJS-$(CONFIG_CODECVIEW_FILTER) += vf_codecview.o > OBJS-$(CONFIG_COLORBALANCE_FILTER) += vf_colorbalance.o > OBJS-$(CONFIG_COLORCHANNELMIXER_FILTER) += vf_colorchannelmixer.o > +OBJS-$(CONFIG_COLORSTATS_FILTER) += vf_colorstats.o > OBJS-$(CONFIG_COLORKEY_FILTER) += vf_colorkey.o > OBJS-$(CONFIG_COLORKEY_OPENCL_FILTER) += vf_colorkey_opencl.o > opencl.o \ > opencl/colorkey.o > diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c > index c295f8e403..6b84a45452 100644 > --- a/libavfilter/allfilters.c > +++ b/libavfilter/allfilters.c > @@ -172,6 +172,9 @@ extern AVFilter ff_vf_ciescope; > extern AVFilter ff_vf_codecview; > extern AVFilter ff_vf_colorbalance; > extern AVFilter ff_vf_colorchannelmixer; > +extern AVFilter ff_vf_colorstats; > +extern AVFilter ff_vf_colorrgbstats; > +extern AVFilter ff_vf_coloryuvstats; > extern AVFilter ff_vf_colorkey; > extern AVFilter ff_vf_colorkey_opencl; > extern AVFilter ff_vf_colorhold; > diff --git a/libavfilter/vf_colorstats.c b/libavfilter/vf_colorstats.c > new file mode 100644 > index 0000000000..7e94c572f9 > --- /dev/null > +++ b/libavfilter/vf_colorstats.c > @@ -0,0 +1,461 @@ > +/* > + * 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 "libavutil/imgutils.h" > +#include "libavutil/opt.h" > +#include "libavutil/pixdesc.h" > + > +#include "avfilter.h" > +#include "drawutils.h" > +#include "filters.h" > + > +#define R 0 > +#define G 1 > +#define B 2 > +#define A 3 > + > +typedef struct ThreadData { > + AVFrame *in; > +} ThreadData; > + > +typedef struct ColorStatsContext { > + const AVClass *class; > + > + ptrdiff_t width[4]; > + ptrdiff_t height[4]; > + > + int planes; > + int step; > + int bitdepth; > + int nb_components; > + int thread_count; > + int is_16bit; > + int is_rgb; > + int force_fmt; /* 0: all, 1: rgb, 2: yuv */ > + uint8_t rgba_map[4]; > + char comps[4]; > + > + double *mean[4]; > + double *stdev[4]; > + > + int max; > + double *min_value[4]; > + double *max_value[4]; > + > + int (*stats_slice)(AVFilterContext *ctx, void *arg, int jobnr, int > nb_jobs); > +} ColorStatsContext; > + > +#define OFFSET(x) offsetof(ColorStatsContext, x) > +#define V AV_OPT_FLAG_VIDEO_PARAM > +#define F AV_OPT_FLAG_FILTERING_PARAM > + > +static const AVOption options[] = { > + { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, > {.i64=1}, 1, 0xf, V|F}, > + {NULL} > +}; > + > +#define YUV_FORMATS \ > + AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, \ > + AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P, \ > + AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, \ > + AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ440P, \ > + AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, \ > + AV_PIX_FMT_YUV420P9, \ > + AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, \ > + AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV440P10, \ > + AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, \ > + AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV440P12, \ > + AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, \ > + AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV444P16, \ > + AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV420P16, \ > + AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, \ > + AV_PIX_FMT_YUVA444P16,AV_PIX_FMT_YUVA422P16, \ > + AV_PIX_FMT_YUVA420P16,AV_PIX_FMT_YUVA422P12, \ > + AV_PIX_FMT_YUVA444P12,AV_PIX_FMT_YUVA444P, \ > + AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, \ > + AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16 > + > +#define RGB_FORMATS \ > + AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR, \ > + AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0, \ > + AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA, AV_PIX_FMT_ABGR, \ > + AV_PIX_FMT_BGRA, AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, \ > + AV_PIX_FMT_RGB48, AV_PIX_FMT_RGBA64, AV_PIX_FMT_GBRP, \ > + AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, \ > + AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, \ > + AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16 > + > +static const enum AVPixelFormat yuv_pix_fmts[] = { YUV_FORMATS, > AV_PIX_FMT_NONE }; > +static const enum AVPixelFormat rgb_pix_fmts[] = { RGB_FORMATS, > AV_PIX_FMT_NONE }; > +static const enum AVPixelFormat all_pix_fmts[] = { RGB_FORMATS, > YUV_FORMATS, AV_PIX_FMT_NONE }; > + > +static int query_formats(AVFilterContext *ctx) > +{ > + const ColorStatsContext *s = ctx->priv; > + const enum AVPixelFormat *pix_fmts = s->force_fmt == 1 ? rgb_pix_fmts : > + s->force_fmt == 2 ? yuv_pix_fmts : > + all_pix_fmts; > + > + AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); > + if (!fmts_list) > + return AVERROR(ENOMEM); > + return ff_set_common_formats(ctx, fmts_list); > +} > + > +#define DECLARE_STATS_PLANAR_FUNC(nbits, div) > \ > +static int stats_slice_planar_##nbits(AVFilterContext *ctx, void *arg, int > jobnr, int nb_jobs) \ > +{ > \ > + const ColorStatsContext *s = ctx->priv; > \ > + ThreadData *td = arg; > \ > + const AVFrame *in = td->in; > \ > + int64_t sum[4] = { 0 }, sum2[4] = { 0 }; > \ > + int32_t count[4] = { 0 }; > \ > + double min_value[4] = { s->max }; > \ > + double max_value[4] = { 0 }; > \ > + > \ > + for (int i = 0; i < s->nb_components; i++) { > \ > + const int width = s->width[i]; > \ > + const int height = s->height[i]; > \ > + const int slice_start = (height * jobnr ) / nb_jobs; > \ > + const int slice_end = (height * (jobnr + 1)) / nb_jobs; > \ > + int linesize = in->linesize[i] / div; > \ > + uint##nbits##_t *src = (uint##nbits##_t*)in->data[i] + slice_start > * linesize; \ > + > \ > + if (!(s->planes & (1 << i))) > \ > + continue; > \ > + for (int j = slice_start; j < slice_end; j++) { > \ > + for (int x = 0; x < width; x++) { > \ > + sum[i] += src[x]; > \ > + sum2[i] += src[x] * src[x]; > \ > + if (src[i] > max_value[i]) max_value[i] = src[i]; > \ > + if (src[i] < min_value[i]) min_value[i] = src[i]; > \ > + } > \ > + count[i] += width; > \ > + src += linesize; > \ > + } > \ > + > \ > + s->mean[i][jobnr] = (double)(sum[i] + count[i] / 2) / count[i]; > \ > + s->stdev[i][jobnr] = sqrt((sum2[i] - sum[i] * (double)sum[i] / > count[i]) / count[i]); \ > + s->min_value[i][jobnr] = min_value[i]; > \ > + s->max_value[i][jobnr] = max_value[i]; > \ > + } > \ > + > \ > + return 0; > \ > +} > +DECLARE_STATS_PLANAR_FUNC(8, 1) > +DECLARE_STATS_PLANAR_FUNC(16, 2) > + > +#define DECLARE_STATS_PACKED_FUNC(nbits, div) > \ > +static int stats_slice_packed_##nbits(AVFilterContext *ctx, void *arg, int > jobnr, int nb_jobs) \ > +{ > \ > + const ColorStatsContext *s = ctx->priv; > \ > + ThreadData *td = arg; > \ > + const AVFrame *in = td->in; > \ > + int64_t sum[4] = { 0 }, sum2[4] = { 0 }; > \ > + double min_value[4] = { s->max }; > \ > + double max_value[4] = { 0 }; > \ > + int32_t count[4] = { 0 }; > \ > + const int width = in->width; > \ > + const int height = in->height; > \ > + const int slice_start = (height * jobnr ) / nb_jobs; > \ > + const int slice_end = (height * (jobnr + 1)) / nb_jobs; > \ > + int linesize = in->linesize[0] / div; > \ > + uint##nbits##_t *src = (uint##nbits##_t*)in->data[0] + slice_start * > linesize; \ > + const uint8_t ro = s->rgba_map[R]; > \ > + const uint8_t go = s->rgba_map[G]; > \ > + const uint8_t bo = s->rgba_map[B]; > \ > + const uint8_t ao = s->rgba_map[A]; > \ > + > \ > + for (int y = slice_start; y < slice_end; y++) { > \ > + for (int x = 0; x < width * s->step; x += s->step) { > \ > + const int r = src[x + ro]; > \ > + const int g = src[x + go]; > \ > + const int b = src[x + bo]; > \ > + const int a = src[x + ao]; > \ > + > \ > + sum[ro] += r; > \ > + sum[go] += g; > \ > + sum[bo] += b; > \ > + sum2[ro] += r * r; > \ > + sum2[go] += g * g; > \ > + sum2[bo] += b * b; > \ > + > \ > + if (r > max_value[ro]) max_value[ro] = r; > \ > + if (r < min_value[ro]) min_value[ro] = r; > \ > + if (g > max_value[go]) max_value[go] = g; > \ > + if (g < min_value[go]) min_value[go] = g; > \ > + if (b > max_value[bo]) max_value[bo] = b; > \ > + if (b < min_value[bo]) min_value[bo] = b; > \ > + if (s->step == 4) { > \ > + sum2[ao] += a * a; > \ > + sum[ao] += a; > \ > + if (a > max_value[ao]) max_value[ao] = a; > \ > + if (a < min_value[ao]) min_value[ao] = a; > \ > + } > \ > + } > \ > + count[ro] += width; > \ > + count[go] += width; > \ > + count[bo] += width; > \ > + if (s->step == 4) > \ > + count[ao] += width; > \ > + src += linesize; > \ > + } > \ > + > \ > + for (int p = 0; p < s->nb_components; p++) { > \ > + int ci = s->is_rgb ? s->rgba_map[p] : p; > \ > + double variance; > \ > + > \ > + s->mean[ci][jobnr] = (double)(sum[ci] + count[ci] / 2) / count[ci]; > \ > + variance = (sum2[ci] - sum[ci] * (double)sum[ci] / count[ci]) / > count[ci]; \ > + s->stdev[ci][jobnr] = sqrt(variance); > \ > + s->min_value[ci][jobnr] = min_value[ci]; > \ > + s->max_value[ci][jobnr] = max_value[ci]; > \ > + } > \ > + > \ > + return 0; > \ > +} > +DECLARE_STATS_PACKED_FUNC(8, 1) > +DECLARE_STATS_PACKED_FUNC(16, 2) > + > +static av_cold void uninit(AVFilterContext *ctx) > +{ > + ColorStatsContext *s = ctx->priv; > + > + for (int i = 0; i < s->nb_components; i++) { > + av_freep(&s->mean[i]); > + av_freep(&s->stdev[i]); > + av_freep(&s->min_value[i]); > + av_freep(&s->max_value[i]); > + } > +} > + > +static int config_input(AVFilterLink *inlink) > +{ > + AVFilterContext *ctx = inlink->dst; > + ColorStatsContext *s = ctx->priv; > + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); > + > + s->nb_components = desc->nb_components; > + s->bitdepth = desc->comp[0].depth; > + s->is_16bit = s->bitdepth > 8; > + s->step = av_get_padded_bits_per_pixel(desc) >> (3 + s->is_16bit); > + s->max = 1 << s->bitdepth - 1; > + > + s->is_rgb = ff_fill_rgba_map(s->rgba_map, inlink->format) >= 0; > + s->comps[0] = s->is_rgb ? 'r' : 'y' ; > + s->comps[1] = s->is_rgb ? 'g' : 'u' ; > + s->comps[2] = s->is_rgb ? 'b' : 'v' ; > + s->comps[3] = 'a'; > + > + s->thread_count = FFMAX(1, FFMIN(inlink->h, > ff_filter_get_nb_threads(ctx))); > + for (int i = 0; i < s->nb_components; i++) { > + ptrdiff_t line_size = av_image_get_linesize(inlink->format, > inlink->w, i); > + > + s->width[i] = line_size >> (s->bitdepth > 8); > + s->height[i] = inlink->h >> ((i == 1 || i == 2) ? > desc->log2_chroma_h : 0); > + > + s->mean[i] = av_mallocz_array(s->thread_count, > sizeof(*s->mean[i])); > + s->stdev[i] = av_mallocz_array(s->thread_count, > sizeof(*s->stdev[i])); > + s->max_value[i] = av_mallocz_array(s->thread_count, > sizeof(*s->max_value[i])); > + s->min_value[i] = av_mallocz_array(s->thread_count, > sizeof(*s->min_value[i])); > + if (!s->mean[i] || !s->stdev[i] || !s->max_value[i] || > !s->min_value[i]) > + return AVERROR(ENOMEM); > + for (int j = 0; j < s->thread_count; j++) { > + s->min_value[i][j] = (1 << s->bitdepth); > + s->max_value[i][j] = 0; > + } > + } > + > + if (desc->flags & AV_PIX_FMT_FLAG_PLANAR) > + s->stats_slice = s->bitdepth <= 8 ? stats_slice_planar_8 : > stats_slice_planar_16; > + else > + s->stats_slice = s->bitdepth <= 8 ? stats_slice_packed_8 : > stats_slice_packed_16; > + > + return 0; > +} > + > +static void set_meta_float(AVDictionary **metadata, const char *key, char > c, float d) > +{ > + char value[128]; > + char key2[128]; > + > + snprintf(value, sizeof(value), "%.2f", d); > + if (c) > + snprintf(key2, sizeof(key2), "lavf.colorstats.%s.%c", key, c); > + else > + snprintf(key2, sizeof(key2), "lavf.colorstats.%s", key); > + av_dict_set(metadata, key2, value, 0); > +} > + > +static void set_meta_int(AVDictionary **metadata, const char *key, char c, > int d) > +{ > + char value[128]; > + char key2[128]; > + > + snprintf(value, sizeof(value), "%d", d); > + if (c) > + snprintf(key2, sizeof(key2), "lavf.colorstats.%s.%c", key, c); > + else > + snprintf(key2, sizeof(key2), "lavf.colorstats.%s", key); > + av_dict_set(metadata, key2, value, 0); > +} > + > +static void report_detect_result(AVFilterContext *ctx, AVFrame *in) > +{ > + const ColorStatsContext *s = ctx->priv; > + double mean[4] = { 0 }; > + double stdev[4] = { 0 }; > + double min_value[4] = { s->max }; > + double max_value[4] = { 0 }; > + int cidx; > + > + for (int p = 0; p < s->nb_components; p++) { > + cidx = s->is_rgb ? s->rgba_map[p] : p; > + > + if (!(s->planes & (1 << p))) > + continue; > + > + for (int j = 0; j < s->thread_count; j++) { > + mean[cidx] += s->mean[cidx][j]; > + stdev[cidx] += s->stdev[cidx][j]; > + if (s->min_value[cidx][j] < min_value[cidx]) > + min_value[cidx] = s->min_value[cidx][j]; > + if (s->max_value[cidx][j] > max_value[cidx]) > + max_value[cidx] = s->max_value[cidx][j]; > + } > + mean[cidx] = mean[cidx] / s->thread_count; > + stdev[cidx] = stdev[cidx] / s->thread_count; > + > + set_meta_int(&in->metadata, "min", s->comps[p], min_value[cidx]); > + set_meta_int(&in->metadata, "max", s->comps[p], max_value[cidx]); > + set_meta_int(&in->metadata, "mean", s->comps[p], mean[cidx]); > + set_meta_int(&in->metadata, "stdev", s->comps[p], stdev[cidx]); > + > + set_meta_float(&in->metadata, "pmin", s->comps[p], min_value[cidx] > / s->max); > + set_meta_float(&in->metadata, "pmax", s->comps[p], max_value[cidx] > / s->max); > + set_meta_float(&in->metadata, "pmean", s->comps[p], mean[cidx] / > s->max); > + set_meta_float(&in->metadata, "pstdev", s->comps[p], stdev[cidx] / > s->max); > + } > +} > + > +static int activate(AVFilterContext *ctx) > +{ > + int ret; > + AVFilterLink *inlink = ctx->inputs[0]; > + AVFilterLink *outlink = ctx->outputs[0]; > + ColorStatsContext *s = ctx->priv; > + AVFrame *in; > + ThreadData td; > + > + FF_FILTER_FORWARD_STATUS_BACK(outlink, inlink); > + > + ret = ff_inlink_consume_frame(inlink, &in); > + if (ret < 0) > + return ret; > + > + if (in) { > + td.in = in; > + ctx->internal->execute(ctx, s->stats_slice, &td, NULL, > s->thread_count); > + > + report_detect_result(ctx, in); > + return ff_filter_frame(outlink, in); > + } > + > + FF_FILTER_FORWARD_STATUS(inlink, outlink); > + FF_FILTER_FORWARD_WANTED(outlink, inlink); > + > + return FFERROR_NOT_READY; > +} > + > +static const AVFilterPad inputs[] = { > + { > + .name = "default", > + .type = AVMEDIA_TYPE_VIDEO, > + .config_props = config_input, > + }, > + { NULL } > +}; > + > +static const AVFilterPad outputs[] = { > + { > + .name = "default", > + .type = AVMEDIA_TYPE_VIDEO, > + }, > + { NULL } > +}; > + > +#define DEFINE_COLOR_FILTER(name_, description_) \ > + AVFilter ff_vf_##name_ = { \ > + .name = #name_, \ > + .description = NULL_IF_CONFIG_SMALL(description_), \ > + .priv_size = sizeof(ColorStatsContext), \ > + .priv_class = &name_ ## _class, \ > + .init = name_##_init, \ > + .uninit = uninit, \ > + .query_formats = query_formats, \ > + .inputs = inputs, \ > + .outputs = outputs, \ > + .activate = activate, \ > + .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | \ > + AVFILTER_FLAG_SLICE_THREADS, \ > + } > + > +#if CONFIG_COLORSTATS_FILTER > + > +#define colorstats_options options > +AVFILTER_DEFINE_CLASS(colorstats); > + > +static int colorstats_init(AVFilterContext *ctx) > +{ > + return 0; > +} > + > +DEFINE_COLOR_FILTER(colorstats, "Video color stats."); > +#endif > + > +#if CONFIG_COLORRGBSTATS_FILTER > + > +#define colorrgbstats_options options > +AVFILTER_DEFINE_CLASS(colorrgbstats); > + > +static int colorrgbstats_init(AVFilterContext *ctx) > +{ > + ColorStatsContext *s = ctx->priv; > + > + s->force_fmt = 1; > + return 0; > +} > + > +DEFINE_COLOR_FILTER(colorrgbstats, "Video RGB color stats."); > +#endif > + > +#if CONFIG_COLORYUVSTATS_FILTER > + > +#define coloryuvstats_options options > +AVFILTER_DEFINE_CLASS(coloryuvstats); > + > +static int coloryuvstats_init(AVFilterContext *ctx) > +{ > + ColorStatsContext *s = ctx->priv; > + > + s->force_fmt = 2; > + return 0; > +} > + > +DEFINE_COLOR_FILTER(coloryuvstats, "Video YUV color stats."); > +#endif > -- > 2.21.0 > > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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