On 12/2/2019 12:07 AM, James Almer wrote: > On 12/1/2019 11:48 PM, Andriy Gelman wrote: >> From: Andriy Gelman <andriy.gel...@gmail.com> >> >> HEVC standard supports multi-layer streams (ITU-T H.265 02/2018 Annex >> F). Each NAL unit belongs to a particular layer defined by nuh_layer_id >> in the header. >> >> Currently, all NAL units that do not belong to a base layer are >> automatically removed in ff_h2645_packet_split(). Some data may >> therefore be lost when future filters/decoders are designed to support >> multi-layer streams. >> >> A better approach is to forward nuh_layer_id > 0 packets and let blocks >> down the chain decide how to process them. The condition to remove >> packets has been moved to hevcdec and cbs bsf where such packets are >> currently not supported. >> --- >> libavcodec/cbs_h2645.c | 3 +++ >> libavcodec/h2645_parse.c | 7 +++---- >> libavcodec/h2645_parse.h | 5 +++++ >> libavcodec/hevc_parse.c | 2 ++ >> libavcodec/hevc_parser.c | 2 ++ >> libavcodec/hevcdec.c | 2 +- >> 6 files changed, 16 insertions(+), 5 deletions(-) > > Missing changes to extract_extradata_bsf.
Actually, probably not. Skipping them there may result in lost data in the output packet. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
