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mov: Rely on box type rather than file type for colr atom 

Although it's not allowed to use only allows 'nclc' in ISOM files, there
are samples that do not always respect this rule. This change prevents
atom overread and a spurious color range initialization.

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
This commit is contained in:
Vittorio Giovara 2015-03-23 19:43:27 +00:00
parent f8fd0c29ce
commit be089af38f
1 changed files with 2 additions and 2 deletions
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4
libavformat/mov.c
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@ -992,7 +992,7 @@ static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_dlog(c->fc, "%s: pri %"PRIu16" trc %"PRIu16" matrix %"PRIu16"",
color_parameter_type, color_primaries, color_trc, color_matrix);
if (c->isom) {
if (!strncmp(color_parameter_type, "nclx", 4)) {
uint8_t color_range = avio_r8(pb) >> 7;
av_dlog(c->fc, " full %"PRIu8"", color_range);
if (color_range)
@ -1012,7 +1012,7 @@ static int mov_read_colr(MOVContext *c, AVIOContext *pb, MOVAtom atom)
st->codec->color_primaries = color_primaries;
st->codec->color_trc = color_trc;
st->codec->colorspace = color_matrix;
} else {
} else if (!strncmp(color_parameter_type, "nclc", 4)) {
/* color primaries, Table 4-4 */
switch (color_primaries) {
case 1: st->codec->color_primaries = AVCOL_PRI_BT709; break;