Merge commit '5655236a67203d923755f285584c6e68abe7e33f'

* commit '5655236a67203d923755f285584c6e68abe7e33f':
  asfdec: factor out seeking to the Data Object outside while

Merged-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2015-07-22 16:53:20 +02:00
commit fce350be0e
1 changed files with 10 additions and 7 deletions

View File

@ -1652,17 +1652,13 @@ static int asf_read_header(AVFormatContext *s)
*/ */
while (1) { while (1) {
// for the cases when object size is invalid // for the cases when object size is invalid
if (avio_tell(pb) == asf->offset) { if (avio_tell(pb) == asf->offset)
if (asf->data_reached)
avio_seek(pb, asf->first_packet_offset, SEEK_SET);
break; break;
}
asf->offset = avio_tell(pb); asf->offset = avio_tell(pb);
if ((ret = ff_get_guid(pb, &guid)) < 0) { if ((ret = ff_get_guid(pb, &guid)) < 0) {
if (ret == AVERROR_EOF && asf->data_reached) { if (ret == AVERROR_EOF && asf->data_reached)
avio_seek(pb, asf->first_packet_offset, SEEK_SET);
break; break;
} else else
return ret; return ret;
} }
g = find_guid(guid); g = find_guid(guid);
@ -1679,6 +1675,13 @@ static int asf_read_header(AVFormatContext *s)
break; break;
} }
if (!asf->data_reached) {
av_log(s, AV_LOG_ERROR, "Data Object was not found.\n");
return AVERROR_INVALIDDATA;
}
if (pb->seekable)
avio_seek(pb, asf->first_packet_offset, SEEK_SET);
for (i = 0; i < asf->nb_streams; i++) { for (i = 0; i < asf->nb_streams; i++) {
const char *rfc1766 = asf->asf_sd[asf->asf_st[i]->lang_idx].langs; const char *rfc1766 = asf->asf_sd[asf->asf_st[i]->lang_idx].langs;
AVStream *st = s->streams[asf->asf_st[i]->index]; AVStream *st = s->streams[asf->asf_st[i]->index];