On 7/30/2019 5:19 PM, James Almer wrote:
> From https://aomediacodec.github.io/av1-isobmff/#codecsparam, the parameters
> sample entry 4CC, profile, level, tier, and bitDepth are all mandatory fields.
> All the other fields are optional, mutually inclusive (all or none).
> 
> Fixes ticket #8049
> 
> Signed-off-by: James Almer <jamr...@gmail.com>
> ---
>  libavformat/dashenc.c | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
> index 50eba370d9..a3d8168110 100644
> --- a/libavformat/dashenc.c
> +++ b/libavformat/dashenc.c
> @@ -35,6 +35,7 @@
>  #include "libavutil/time.h"
>  #include "libavutil/time_internal.h"
>  
> +#include "av1.h"
>  #include "avc.h"
>  #include "avformat.h"
>  #include "avio_internal.h"
> @@ -389,6 +390,21 @@ static void set_codec_str(AVFormatContext *s, 
> AVCodecParameters *par,
>              av_strlcatf(str, size, ".%02x%02x%02x",
>                          extradata[1], extradata[2], extradata[3]);
>          av_free(tmpbuf);
> +    } else if (!strcmp(str, "av01")) {
> +        AV1SequenceParameters seq;
> +        if (!par->extradata_size)
> +            return;
> +        if (ff_av1_parse_seq_header(&seq, par->extradata, 
> par->extradata_size) < 0)
> +            return;
> +
> +        av_strlcatf(str, size, ".%01u.%02u%s.%02u",
> +                    seq.profile, seq.level, seq.tier ? "H" : "M", 
> seq.bitdepth);
> +        if (seq.color_description_present_flag)
> +            av_strlcatf(str, size, ".%01u.%01u%01u%01u.%02u.%02u.%02u.%01u",
> +                        seq.monochrome,
> +                        seq.chroma_subsampling_x, seq.chroma_subsampling_y, 
> seq.chroma_sample_position,
> +                        seq.color_primaries, seq.transfer_characteristics, 
> seq.matrix_coefficients,
> +                        seq.color_range);
>      }
>  }

Will push the set soon.
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