On 03/09/17 16:26, Jorge Ramirez wrote: > On 09/03/2017 04:56 PM, Jorge Ramirez wrote: >> On 09/03/2017 02:27 AM, Mark Thompson wrote: >>>> + .long_name = NULL_IF_CONFIG_SMALL("V4L2 mem2mem " LONGNAME " >>>> decoder wrapper"),\ >>>> + .type = AVMEDIA_TYPE_VIDEO,\ >>>> + .id = CODEC ,\ >>>> + .priv_data_size = sizeof(V4L2m2mContext),\ >>>> + .priv_class = &v4l2_m2m_ ## NAME ## _dec_class,\ >>>> + .init = v4l2m2m_decode_init,\ >>>> + .receive_frame = v4l2m2m_receive_frame,\ >>>> + .close = ff_v4l2m2m_codec_end,\ >>>> + .bsfs = bsf_name, \ >>>> +}; >>>> + >>>> +M2MDEC(h264, "H.264", AV_CODEC_ID_H264, "h264_mp4toannexb"); >>>> +M2MDEC(hevc, "HEVC", AV_CODEC_ID_HEVC, "h264_mp4toannexb"); >>> h264_mp4toannexb is for H.264, and will refuse to do anything with H.265: >>> >>> "[AVBSFContext @ 0x55f4d346c620] Codec 'hevc' (174) is not supported by the >>> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28)." >>> >>> (Was this decoder really tested as the commit message claims?) >>> >> >> yes it was a couple of versions ago though: without it, the decoded frames >> could not be displayed using the dragon board 820c. >> however just tried again and got the error message that you mentioned; >> [...] >> [AVBSFContext @ 0xffff74000b90] Codec 'hevc' (174) is not supported by the >> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28) >> [AVBSFContext @ 0xffff74000b90] Codec 'hevc' (174) is not supported by the >> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28) >> [AVBSFContext @ 0xffff74000b90] Codec 'hevc' (174) is not supported by the >> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28) >> [AVBSFContext @ 0xffff74000b90] Codec 'hevc' (174) is not supported by the >> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28) >> [AVBSFContext @ 0xffff74000b90] Codec 'hevc' (174) is not supported by the >> bitstream filter 'h264_mp4toannexb'. Supported codecs are: h264 (28) >> >> yeah now, after removing the h264_mp4toannexb from the decoder, I can not >> play any HEVC videos on the db820c.....I'll then remove HEVC from the list >> of supported decoders then. It is a pity. >> >> >> > > actually I will just remove the filter from the hevc decoder instantiation in > case some v4l2 codec (different from the one in the db820) can still benefit >
What do you actually need here? An H.265 annex B bitstream, such as created by hevc_mp4toannexb? _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel