[FFmpeg-devel] [PATCH 2/6] avcodec: add h266 codec id and profiles

James Almer jamrial at gmail.com
Sat Jan 2 04:18:29 EET 2021


On 1/1/2021 11:06 PM, Nuo Mi wrote:
> Hi Mark & all,
> Happy new year!
> I have implemented the h266 metadata bsf. For all vvdec decodable clips,
> the metadata pass-through mode can get a bit matched result.
> Could you align with James about the name convention, so I can send the
> second patchset?
> 
> BTW: could you share the hevc aud adding command line?
> I tried "ffmpeg -i input.265  -c:v copy -bsf h266_metadata -aud insert
> output.265", but the output.265 has no aud.

bsf options are passed the same way as filter options, so "-bsf:v 
filter_name=key1=value1:key2=value2"

> 
> thanks
> 
> 
> On Sat, Dec 26, 2020 at 9:37 AM Nuo Mi <nuomi2021 at gmail.com> wrote:
> 
>>
>>
>> On Tue, Dec 22, 2020 at 6:37 PM Nuo Mi <nuomi2021 at gmail.com> wrote:
>>
>>>
>>> Hi James,
>>> thanks for the review.
>>>
>>> On Mon, Dec 21, 2020 at 11:14 PM James Almer <jamrial at gmail.com> wrote:
>>>
>>>> On 12/21/2020 3:07 AM, Nuo Mi wrote:
>>>>> ---
>>>>>    libavcodec/avcodec.h    | 2 ++
>>>>>    libavcodec/codec_desc.c | 8 ++++++++
>>>>>    libavcodec/codec_id.h   | 2 ++
>>>>>    libavcodec/profiles.c   | 5 +++++
>>>>>    libavcodec/profiles.h   | 1 +
>>>>>    5 files changed, 18 insertions(+)
>>>>>
>>>>> diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
>>>>> index 1d3099d50a..f7ea4d5849 100644
>>>>> --- a/libavcodec/avcodec.h
>>>>> +++ b/libavcodec/avcodec.h
>>>>> @@ -1961,6 +1961,8 @@ typedef struct AVCodecContext {
>>>>>    #define FF_PROFILE_HEVC_MAIN_STILL_PICTURE          3
>>>>>    #define FF_PROFILE_HEVC_REXT                        4
>>>>>
>>>>> +#define FF_PROFILE_H266_MAIN_10                      1
>>>>
>>>> We should decide first what we are going to use, if VVC or h266.
>>>>
>>>> My suggestion was to use VVC for decoder, parser, demuxer and public
>>>> defines, which is what's exposed to the user, and h266 for CBS, which
>>>> makes things simpler to implement and is proper consider it's written
>>>> using the ITU spec.
>>>>
>>> Sorry for missed this. But seems mark and you have a different
>>> suggestion.  Could you align with him and other maintainers?
>>> I can continue to address other issues. It's not too later to change this
>>> before I checked the patch set.
>>>
>> Hi Mark,
>> Most of the issue are addressed.  I will send the second reversion of this
>> patchset.
>> Are you ok with James's suggestion?
>>
>> thanks.
>>
>>>
>>>>> +
>>>>>    #define FF_PROFILE_AV1_MAIN                         0
>>>>>    #define FF_PROFILE_AV1_HIGH                         1
>>>>>    #define FF_PROFILE_AV1_PROFESSIONAL                 2
>>>>> diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
>>>>> index 404c460f8f..62fe0f453d 100644
>>>>> --- a/libavcodec/codec_desc.c
>>>>> +++ b/libavcodec/codec_desc.c
>>>>> @@ -1426,6 +1426,14 @@ static const AVCodecDescriptor
>>>> codec_descriptors[] = {
>>>>>            .long_name = NULL_IF_CONFIG_SMALL("Microsoft Paint (MSP)
>>>> version 2"),
>>>>>            .props     = AV_CODEC_PROP_INTRA_ONLY |
>>>> AV_CODEC_PROP_LOSSLESS,
>>>>>        },
>>>>> +    {
>>>>> +        .id        = AV_CODEC_ID_H266,
>>>>> +        .type      = AVMEDIA_TYPE_VIDEO,
>>>>> +        .name      = "h266",
>>>>
>>>> Ditto.
>>>>
>>>>> +        .long_name = NULL_IF_CONFIG_SMALL("H.266 / VVC (Versatile
>>>> Video Coding)"),
>>>>> +        .props     = AV_CODEC_PROP_LOSSY | AV_CODEC_PROP_REORDER,
>>>>> +        .profiles  = NULL_IF_CONFIG_SMALL(ff_h266_profiles),
>>>>> +    },
>>>>>        {
>>>>>            .id        = AV_CODEC_ID_Y41P,
>>>>>            .type      = AVMEDIA_TYPE_VIDEO,
>>>>> diff --git a/libavcodec/codec_id.h b/libavcodec/codec_id.h
>>>>> index 6133e03bb9..7a8a896bfe 100644
>>>>> --- a/libavcodec/codec_id.h
>>>>> +++ b/libavcodec/codec_id.h
>>>>> @@ -244,6 +244,8 @@ enum AVCodecID {
>>>>>        AV_CODEC_ID_PGX,
>>>>>        AV_CODEC_ID_AVS3,
>>>>>        AV_CODEC_ID_MSP2,
>>>>> +    AV_CODEC_ID_VVC,
>>>>> +#define AV_CODEC_ID_H266 AV_CODEC_ID_VVC
>>>>
>>>> This chunk is good as is.
>>>>
>>>>>
>>>>>        AV_CODEC_ID_Y41P = 0x8000,
>>>>>        AV_CODEC_ID_AVRP,
>>>>> diff --git a/libavcodec/profiles.c b/libavcodec/profiles.c
>>>>> index e59a3a5c12..710f2c01e2 100644
>>>>> --- a/libavcodec/profiles.c
>>>>> +++ b/libavcodec/profiles.c
>>>>> @@ -74,6 +74,11 @@ const AVProfile ff_h264_profiles[] = {
>>>>>        { FF_PROFILE_UNKNOWN },
>>>>>    };
>>>>>
>>>>> +const AVProfile ff_h266_profiles[] = {
>>>>> +    { FF_PROFILE_H266_MAIN_10, "Main 10" },
>>>>> +    { FF_PROFILE_UNKNOWN },
>>>>> +};
>>>>> +
>>>>>    const AVProfile ff_hevc_profiles[] = {
>>>>>        { FF_PROFILE_HEVC_MAIN,                 "Main"                },
>>>>>        { FF_PROFILE_HEVC_MAIN_10,              "Main 10"             },
>>>>> diff --git a/libavcodec/profiles.h b/libavcodec/profiles.h
>>>>> index 6baaba5701..7a353dbf3d 100644
>>>>> --- a/libavcodec/profiles.h
>>>>> +++ b/libavcodec/profiles.h
>>>>> @@ -60,6 +60,7 @@ extern const AVProfile ff_aac_profiles[];
>>>>>    extern const AVProfile ff_dca_profiles[];
>>>>>    extern const AVProfile ff_dnxhd_profiles[];
>>>>>    extern const AVProfile ff_h264_profiles[];
>>>>> +extern const AVProfile ff_h266_profiles[];
>>>>>    extern const AVProfile ff_hevc_profiles[];
>>>>>    extern const AVProfile ff_jpeg2000_profiles[];
>>>>>    extern const AVProfile ff_mpeg2_video_profiles[];
>>>>>
>>>>
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