avformat/matroskadec: retain error codes in matroska_resync() and matroska_read_packet()

Signed-off-by: Sophia Wang <skw@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Sophia Wang 2016-09-27 12:00:29 -07:00 committed by Michael Niedermayer
parent a54c3ff65f
commit 8c83062acb
1 changed files with 9 additions and 6 deletions

View File

@ -738,13 +738,16 @@ static int matroska_read_close(AVFormatContext *s);
static int matroska_resync(MatroskaDemuxContext *matroska, int64_t last_pos)
{
AVIOContext *pb = matroska->ctx->pb;
int64_t ret;
uint32_t id;
matroska->current_id = 0;
matroska->num_levels = 0;
/* seek to next position to resync from */
if (avio_seek(pb, last_pos + 1, SEEK_SET) < 0)
goto eof;
if ((ret = avio_seek(pb, last_pos + 1, SEEK_SET)) < 0) {
matroska->done = 1;
return ret;
}
id = avio_rb32(pb);
@ -760,7 +763,6 @@ static int matroska_resync(MatroskaDemuxContext *matroska, int64_t last_pos)
id = (id << 8) | avio_r8(pb);
}
eof:
matroska->done = 1;
return AVERROR_EOF;
}
@ -3317,16 +3319,17 @@ static int matroska_parse_cluster(MatroskaDemuxContext *matroska)
static int matroska_read_packet(AVFormatContext *s, AVPacket *pkt)
{
MatroskaDemuxContext *matroska = s->priv_data;
int ret = 0;
while (matroska_deliver_packet(matroska, pkt)) {
int64_t pos = avio_tell(matroska->ctx->pb);
if (matroska->done)
return AVERROR_EOF;
return (ret < 0) ? ret : AVERROR_EOF;
if (matroska_parse_cluster(matroska) < 0)
matroska_resync(matroska, pos);
ret = matroska_resync(matroska, pos);
}
return 0;
return ret;
}
static int matroska_read_seek(AVFormatContext *s, int stream_index,