As defined in "VP Codec ISO Media File Format Binding v1.0"
https://github.com/webmproject/vp9-dash/blob/master/VPCodecISOMediaFileFormatBinding.md
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavformat/mov.c | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 3845e63b53..628ed853ac 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4612,6 +4612,50 @@ static int mov_read_tmcd(MOVContext *c, AVIOContext *pb,
MOVAtom atom)
return 0;
}
+static int mov_read_vpcc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
+{
+ AVStream *st;
+ int version, color_range, color_primaries, color_trc, color_space;
+
+ if (c->fc->nb_streams < 1)
+ return 0;
+ st = c->fc->streams[c->fc->nb_streams - 1];
+
+ if (atom.size < 5) {
+ av_log(c->fc, AV_LOG_ERROR, "Empty VP Codec Configuration box\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ version = avio_r8(pb);
+ if (version != 1) {
+ av_log(c->fc, AV_LOG_WARNING, "Unsupported VP Codec Configuration box
version %d\n", version);
+ return 0;
+ }
+ avio_skip(pb, 3); /* flags */
+
+ avio_skip(pb, 2); /* profile + level */
+ color_range = avio_r8(pb); /* bitDepth, chromaSubsampling,
videoFullRangeFlag */
+ color_primaries = avio_r8(pb);
+ color_trc = avio_r8(pb);
+ color_space = avio_r8(pb);
+ if (avio_rb16(pb)) /* codecIntializationDataSize */
+ return AVERROR_INVALIDDATA;
+
+ if (!av_color_primaries_name(color_primaries))
+ color_primaries = AVCOL_PRI_UNSPECIFIED;
+ if (!av_color_transfer_name(color_trc))
+ color_trc = AVCOL_TRC_UNSPECIFIED;
+ if (!av_color_space_name(color_space))
+ color_space = AVCOL_SPC_UNSPECIFIED;
+
+ st->codecpar->color_range = (color_range & 1) ? AVCOL_RANGE_JPEG :
AVCOL_RANGE_MPEG;
+ st->codecpar->color_primaries = color_primaries;
+ st->codecpar->color_trc = color_trc;
+ st->codecpar->color_space = color_space;
+
+ return 0;
+}
+
static int mov_read_smdm(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
MOVStreamContext *sc;
@@ -5478,6 +5522,7 @@ static const MOVParseTableEntry mov_default_parse_table[]
= {
{ MKTAG('d','O','p','s'), mov_read_dops },
{ MKTAG('S','m','D','m'), mov_read_smdm },
{ MKTAG('C','o','L','L'), mov_read_coll },
+{ MKTAG('v','p','c','C'), mov_read_vpcc },
{ 0, NULL }
};
--
2.12.1
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