#include "libavutil/imgutils.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
-#include "libavutil/mastering_display_metadata.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
+#include "colorspace.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
-#define REFERENCE_WHITE 100.0f
-
enum TonemapAlgorithm {
TONEMAP_NONE,
TONEMAP_LINEAR,
TONEMAP_MAX,
};
-typedef struct LumaCoefficients {
- double cr, cg, cb;
-} LumaCoefficients;
-
-
static const struct LumaCoefficients luma_coefficients[AVCOL_SPC_NB] = {
[AVCOL_SPC_FCC] = { 0.30, 0.59, 0.11 },
[AVCOL_SPC_BT470BG] = { 0.299, 0.587, 0.114 },
double desat;
double peak;
- const LumaCoefficients *coeffs;
+ const struct LumaCoefficients *coeffs;
} TonemapContext;
static const enum AVPixelFormat pix_fmts[] = {
return 0;
}
-static double determine_signal_peak(AVFrame *in)
-{
- AVFrameSideData *sd = av_frame_get_side_data(in, AV_FRAME_DATA_CONTENT_LIGHT_LEVEL);
- double peak = 0;
-
- if (sd) {
- AVContentLightMetadata *clm = (AVContentLightMetadata *)sd->data;
- peak = clm->MaxCLL / REFERENCE_WHITE;
- }
-
- sd = av_frame_get_side_data(in, AV_FRAME_DATA_MASTERING_DISPLAY_METADATA);
- if (!peak && sd) {
- AVMasteringDisplayMetadata *metadata = (AVMasteringDisplayMetadata *)sd->data;
- if (metadata->has_luminance)
- peak = av_q2d(metadata->max_luminance) / REFERENCE_WHITE;
- }
-
- /* smpte2084 needs the side data above to work correctly
- * if missing, assume that the original transfer was arib-std-b67 */
- if (!peak)
- peak = 12;
-
- return peak;
-}
-
static float hable(float in)
{
float a = 0.15f, b = 0.50f, c = 0.10f, d = 0.20f, e = 0.02f, f = 0.30f;
/* read peak from side data if not passed in */
if (!peak) {
- peak = determine_signal_peak(in);
+ peak = ff_determine_signal_peak(in);
av_log(s, AV_LOG_DEBUG, "Computed signal peak: %f\n", peak);
}
av_frame_free(&in);
+ ff_update_hdr_metadata(out, peak);
+
return ff_filter_frame(outlink, out);
}