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Extract the pure plaintext from mov text subtitles.

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Formatting information etc. is discarded.

Originally committed as revision 11625 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-01-26 21:21:55 +00:00
parent 1e3c9307e6
commit 7dfc1fdea2
1 changed files with 6 additions and 0 deletions
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6
libavformat/mov.c
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@ -1542,6 +1542,12 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
} else {
#endif
av_get_packet(s->pb, pkt, sample->size);
if (s->streams[sc->ffindex]->codec->codec_id == CODEC_ID_TEXT) {
int textlen = FFMIN(AV_RB16(pkt->data), sample->size - 2);
textlen = FFMAX(textlen, 0);
memmove(pkt->data, pkt->data + 2, textlen);
pkt->size = textlen;
}
#ifdef CONFIG_DV_DEMUXER
if (mov->dv_demux) {
void *pkt_destruct_func = pkt->destruct;