ffmpeg | branch: master | Zane van Iperen <z...@zanevaniperen.com> | Sat Sep 19 12:35:42 2020 +1000| [101ac40f69c51605347fa2b7f5c76481592acd28] | committer: Zane van Iperen
avformat/argo_asf: fix enforcement of chunk count Enforcing num_chunks == 1 only makes sense when demuxing from an ASF file. When embedded in a BRP file, an ASF stream can have multiple chunks. Signed-off-by: Zane van Iperen <z...@zanevaniperen.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=101ac40f69c51605347fa2b7f5c76481592acd28 --- libavformat/argo_asf.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/libavformat/argo_asf.c b/libavformat/argo_asf.c index 048e5441d6..eb0c18601d 100644 --- a/libavformat/argo_asf.c +++ b/libavformat/argo_asf.c @@ -59,11 +59,6 @@ int ff_argo_asf_validate_file_header(AVFormatContext *s, const ArgoASFFileHeader if (hdr->magic != ASF_TAG || hdr->num_chunks == 0) return AVERROR_INVALIDDATA; - if (hdr->num_chunks > 1) { - avpriv_request_sample(s, ">1 chunk"); - return AVERROR_PATCHWELCOME; - } - if (hdr->chunk_offset < ASF_FILE_HEADER_SIZE) return AVERROR_INVALIDDATA; @@ -139,8 +134,12 @@ int ff_argo_asf_fill_stream(AVStream *st, const ArgoASFFileHeader *fhdr, avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate); st->start_time = 0; - st->duration = ckhdr->num_blocks * ckhdr->num_samples; - st->nb_frames = ckhdr->num_blocks; + + if (fhdr->num_chunks == 1) { + st->duration = ckhdr->num_blocks * ckhdr->num_samples; + st->nb_frames = ckhdr->num_blocks; + } + return 0; } @@ -199,6 +198,10 @@ static int argo_asf_read_header(AVFormatContext *s) if ((ret = ff_argo_asf_validate_file_header(s, &asf->fhdr)) < 0) return ret; + /* This should only be 1 in ASF files. >1 is fine if in BRP. */ + if (asf->fhdr.num_chunks != 1) + return AVERROR_INVALIDDATA; + if ((ret = avio_skip(pb, asf->fhdr.chunk_offset - ASF_FILE_HEADER_SIZE)) < 0) return ret; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
