---
libavformat/mov.c | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 3734689..fd79e6f 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -887,6 +887,85 @@ static int mov_read_enda(MOVContext *c, AVIOContext *pb,
MOVAtom atom)
return 0;
}
+static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ char color_parameter_type[5] = { 0 };
+ int color_primaries, color_trc, color_matrix;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams - 1];
+
+ avio_read(pb, color_parameter_type, 4);
+ if (c->isom) {
+ if (!strncmp(color_parameter_type, "prof", 4) ||
+ !strncmp(color_parameter_type, "rICC", 4)) {
+ avpriv_report_missing_feature(c->fc, "'%s' color parameter type",
+ color_parameter_type);
+ return 0;
+ } else if (strncmp(color_parameter_type, "nclx", 4)) {
+ return AVERROR_INVALIDDATA;
+ }
+ } else {
+ if (!strncmp(color_parameter_type, "prof", 4)) {
+ avpriv_report_missing_feature(c->fc, "'prof' color parameter
type");
+ return 0;
+ } else if (strncmp(color_parameter_type, "nclc", 4)) {
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
+ color_primaries = avio_rb16(pb);
+ color_trc = avio_rb16(pb);
+ color_matrix = avio_rb16(pb);
+
+ av_dlog(c->fc, "%s: pri %"PRIu16" trc %"PRIu16" matrix %"PRIu16"",
+ color_parameter_type, color_primaries, color_trc, color_matrix);
+
+ if (c->isom) {
+ uint8_t color_range = avio_r8(pb) >> 7;
+ av_dlog(c->fc, " full %"PRIu8"", color_range)
+ if (color_range)
+ st->codec->color_range = AVCOL_RANGE_JPEG;
+ else
+ st->codec->color_range = AVCOL_RANGE_MPEG;
+ /* 14496-12 references JPEG XR specs (rather than the more complete
+ * 23001-8) so some adjusting is required */
+ if (color_primaries >= AVCOL_PRI_FILM)
+ color_primaries = AVCOL_PRI_UNSPECIFIED;
+ if (color_trc >= AVCOL_TRC_LINEAR || color_trc <= AVCOL_TRC_LOG_SQRT ||
+ color_trc >= AVCOL_TRC_BT2020_10)
+ color_trc = AVCOL_TRC_UNSPECIFIED;
+ if (color_matrix >= AVCOL_SPC_BT2020_NCL)
+ color_matrix = AVCOL_SPC_UNSPECIFIED;
+ st->codec->color_primaries = color_primaries;
+ st->codec->color_trc = color_trc;
+ st->codec->colorspace = color_matrix;
+ } else {
+ /* color primaries, Table 4-4 */
+ switch (color_primaries) {
+ case 1: st->codec->color_primaries = AVCOL_PRI_BT709; break;
+ case 5: st->codec->color_primaries = AVCOL_PRI_SMPTE170M; break;
+ case 6: st->codec->color_primaries = AVCOL_PRI_SMPTE240M; break;
+ }
+ /* color transfer, Table 4-5 */
+ switch (color_trc) {
+ case 1: st->codec->color_trc = AVCOL_TRC_BT709; break;
+ case 7: st->codec->color_trc = AVCOL_TRC_SMPTE240M; break;
+ }
+ /* color matrix, Table 4-6 */
+ switch (color_matrix) {
+ case 1: st->codec->colorspace = AVCOL_SPC_BT709; break;
+ case 6: st->codec->colorspace = AVCOL_SPC_BT470BG; break;
+ case 7: st->codec->colorspace = AVCOL_SPC_SMPTE240M; break;
+ }
+ }
+ av_dlog(c->fc, "\n")
+
+ return 0;
+}
+
static int mov_read_fiel(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
@@ -2765,6 +2844,7 @@ static const MOVParseTableEntry mov_default_parse_table[]
= {
{ MKTAG('a','v','s','s'), mov_read_extradata },
{ MKTAG('c','h','p','l'), mov_read_chpl },
{ MKTAG('c','o','6','4'), mov_read_stco },
+{ MKTAG('c','o','l','r'), mov_read_colr },
{ MKTAG('c','t','t','s'), mov_read_ctts }, /* composition time to sample */
{ MKTAG('d','i','n','f'), mov_read_default },
{ MKTAG('d','r','e','f'), mov_read_dref },
--
1.9.3 (Apple Git-50)
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