diff --git a/libavformat/mov.c b/libavformat/mov.c index 0f03da1eb722d5c2cb668d384465b7a8ce230fb7..aaaa5875646f313a5f6878a6e87b91c0fa37d390 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -811,6 +811,34 @@ static int mov_read_glbl(MOVContext *c, ByteIOContext *pb, MOVAtom atom) return 0; } +/** + * An strf atom is a BITMAPINFOHEADER struct. This struct is 40 bytes itself, + * but can have extradata appended at the end after the 40 bytes belonging + * to the struct. + */ +static int mov_read_strf(MOVContext *c, ByteIOContext *pb, MOVAtom atom) +{ + AVStream *st; + + if (c->fc->nb_streams < 1) + return 0; + if (atom.size <= 40) + return 0; + st = c->fc->streams[c->fc->nb_streams-1]; + + if((uint64_t)atom.size > (1<<30)) + return -1; + + av_free(st->codec->extradata); + st->codec->extradata = av_mallocz(atom.size - 40 + FF_INPUT_BUFFER_PADDING_SIZE); + if (!st->codec->extradata) + return AVERROR(ENOMEM); + st->codec->extradata_size = atom.size - 40; + url_fskip(pb, 40); + get_buffer(pb, st->codec->extradata, atom.size - 40); + return 0; +} + static int mov_read_stco(MOVContext *c, ByteIOContext *pb, MOVAtom atom) { AVStream *st; @@ -2161,6 +2189,7 @@ static const MOVParseTableEntry mov_default_parse_table[] = { { MKTAG('s','t','b','l'), mov_read_default }, { MKTAG('s','t','c','o'), mov_read_stco }, { MKTAG('s','t','p','s'), mov_read_stps }, +{ MKTAG('s','t','r','f'), mov_read_strf }, { MKTAG('s','t','s','c'), mov_read_stsc }, { MKTAG('s','t','s','d'), mov_read_stsd }, /* sample description */ { MKTAG('s','t','s','s'), mov_read_stss }, /* sync sample */