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Code Issues Releases Activity

avformat/mov: Retry same packet on IO failure to avoid loosing a packet

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Based on patch by: Zhang Rui <bbcallen@gmail.com>
Reviewed-by: Zhang Rui <bbcallen@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-06-03 13:04:37 +02:00
parent 771537edcf
commit 9614df4b15
1 changed files with 13 additions and 2 deletions
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15
libavformat/mov.c
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@ -4316,6 +4316,13 @@ static AVIndexEntry *mov_find_next_sample(AVFormatContext *s, AVStream **st)
return sample;
}
static int should_retry(AVIOContext *pb, int error_code) {
if (error_code == AVERROR_EOF || avio_feof(pb))
return 0;
return 1;
}
static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MOVContext *mov = s->priv_data;
@ -4351,14 +4358,18 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
}
if (st->discard != AVDISCARD_ALL) {
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
int64_t ret64 = avio_seek(sc->pb, sample->pos, SEEK_SET);
if (ret64 != sample->pos) {
av_log(mov->fc, AV_LOG_ERROR, "stream %d, offset 0x%"PRIx64": partial file\n",
sc->ffindex, sample->pos);
sc->current_sample -= should_retry(sc->pb, ret64);
return AVERROR_INVALIDDATA;
}
ret = av_get_packet(sc->pb, pkt, sample->size);
if (ret < 0)
if (ret < 0) {
sc->current_sample -= should_retry(sc->pb, ret);
return ret;
}
if (sc->has_palette) {
uint8_t *pal;