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demux_mkv: parse mastering metadata

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Kacper Michajłow 2023-11-03 23:03:33 +01:00 committed by sfan5
parent 38da5b89c2
commit d9a483cb17
1 changed files with 47 additions and 5 deletions
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52
demux/demux_mkv.c
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@ -593,16 +593,58 @@ static void parse_trackcolour(struct demuxer *demuxer, struct mkv_track *track,
m_opt_choice_str(mp_csp_levels_names, track->color.levels));
}
if (colour->n_max_cll) {
track->color.sig_peak = colour->max_cll / MP_REF_WHITE;
track->color.hdr.max_cll = colour->max_cll;
track->color.sig_peak = track->color.hdr.max_cll / MP_REF_WHITE;
MP_DBG(demuxer, "| + MaxCLL: %"PRIu64"\n", colour->max_cll);
}
// if MaxCLL is unavailable, try falling back to the mastering metadata
if (!track->color.sig_peak && colour->n_mastering_metadata) {
if (colour->n_max_fall) {
track->color.hdr.max_fall = colour->max_fall;
MP_DBG(demuxer, "| + MaxFALL: %"PRIu64"\n", colour->max_cll);
}
if (colour->n_mastering_metadata) {
struct ebml_mastering_metadata *mastering = &colour->mastering_metadata;
if (mastering->n_primary_r_chromaticity_x) {
track->color.hdr.prim.red.x = mastering->primary_r_chromaticity_x;
MP_DBG(demuxer, "| + PrimaryRChromaticityX: %f\n", track->color.hdr.prim.red.x);
}
if (mastering->n_primary_r_chromaticity_y) {
track->color.hdr.prim.red.y = mastering->primary_r_chromaticity_y;
MP_DBG(demuxer, "| + PrimaryRChromaticityY: %f\n", track->color.hdr.prim.red.y);
}
if (mastering->n_primary_g_chromaticity_x) {
track->color.hdr.prim.green.x = mastering->primary_g_chromaticity_x;
MP_DBG(demuxer, "| + PrimaryGChromaticityX: %f\n", track->color.hdr.prim.green.x);
}
if (mastering->n_primary_g_chromaticity_y) {
track->color.hdr.prim.green.y = mastering->primary_g_chromaticity_y;
MP_DBG(demuxer, "| + PrimaryGChromaticityY: %f\n", track->color.hdr.prim.green.y);
}
if (mastering->n_primary_b_chromaticity_x) {
track->color.hdr.prim.blue.x = mastering->primary_b_chromaticity_x;
MP_DBG(demuxer, "| + PrimaryBChromaticityX: %f\n", track->color.hdr.prim.blue.x);
}
if (mastering->n_primary_b_chromaticity_y) {
track->color.hdr.prim.blue.y = mastering->primary_b_chromaticity_y;
MP_DBG(demuxer, "| + PrimaryBChromaticityY: %f\n", track->color.hdr.prim.blue.y);
}
if (mastering->n_white_point_chromaticity_x) {
track->color.hdr.prim.white.x = mastering->white_point_chromaticity_x;
MP_DBG(demuxer, "| + WhitePointChromaticityX: %f\n", track->color.hdr.prim.white.x);
}
if (mastering->n_white_point_chromaticity_y) {
track->color.hdr.prim.white.y = mastering->white_point_chromaticity_y;
MP_DBG(demuxer, "| + WhitePointChromaticityY: %f\n", track->color.hdr.prim.white.y);
}
if (mastering->n_luminance_min) {
track->color.hdr.min_luma = mastering->luminance_min;
MP_DBG(demuxer, "| + LuminanceMin: %f\n", track->color.hdr.min_luma);
}
if (mastering->n_luminance_max) {
track->color.sig_peak = mastering->luminance_max / MP_REF_WHITE;
MP_DBG(demuxer, "| + HDR peak: %f\n", track->color.sig_peak);
track->color.hdr.max_luma = mastering->luminance_max;
if (!track->color.sig_peak)
track->color.sig_peak = track->color.hdr.max_luma / MP_REF_WHITE;
MP_DBG(demuxer, "| + LuminanceMax: %f\n", track->color.hdr.max_luma);
}
}
}