[FFmpeg-devel] [PATCH v4 3/9] avcodec: add SEI enum for vvc

[Nuo Mi]

On Tue, Jan 26, 2021 at 11:11 PM James Almer <jamrial at gmail.com> wrote:

> On 1/26/2021 12:09 PM, Nuo Mi wrote:
> > On Tue, Jan 26, 2021 at 10:36 PM James Almer <jamrial at gmail.com> wrote:
> >
> >> On 1/25/2021 11:15 AM, Nuo Mi wrote:
> >>> ---
> >>>    libavcodec/vvc_sei.h | 47
> ++++++++++++++++++++++++++++++++++++++++++++
> >>>    1 file changed, 47 insertions(+)
> >>>    create mode 100644 libavcodec/vvc_sei.h
> >>>
> >>> diff --git a/libavcodec/vvc_sei.h b/libavcodec/vvc_sei.h
> >>> new file mode 100644
> >>> index 0000000000..90724669de
> >>> --- /dev/null
> >>> +++ b/libavcodec/vvc_sei.h
> >>> @@ -0,0 +1,47 @@
> >>> +/*
> >>> + * H.266/VVC Supplementary Enhancement Information messages
> >>> + *
> >>> + * This file is part of FFmpeg.
> >>> + *
> >>> + * FFmpeg is free software; you can redistribute it and/or
> >>> + * modify it under the terms of the GNU Lesser General Public
> >>> + * License as published by the Free Software Foundation; either
> >>> + * version 2.1 of the License, or (at your option) any later version.
> >>> + *
> >>> + * FFmpeg is distributed in the hope that it will be useful,
> >>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> >>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> >>> + * Lesser General Public License for more details.
> >>> + *
> >>> + * You should have received a copy of the GNU Lesser General Public
> >>> + * License along with FFmpeg; if not, write to the Free Software
> >>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> >> 02110-1301 USA
> >>> + */
> >>> +
> >>> +#ifndef AVCODEC_VVC_SEI_H
> >>> +#define AVCODEC_VVC_SEI_H
> >>> +
> >>> +/**
> >>> + * SEI message types
> >>> + */
> >>> +typedef enum {
> >>> +    VVC_SEI_TYPE_BUFFERING_PERIOD                     = 0,
> >>> +    VVC_SEI_TYPE_PICTURE_TIMING                       = 1,
> >>> +    VVC_SEI_TYPE_PAN_SCAN_RECT                        = 2,
> >>> +    VVC_SEI_TYPE_FILLER_PAYLOAD                       = 3,
> >>> +    VVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35       = 4,
> >>> +    VVC_SEI_TYPE_USER_DATA_UNREGISTERED               = 5,
> >>> +    VVC_SEI_TYPE_FILM_GRAIN_CHARACTERISTICS           = 19,
> >>> +    VVC_SEI_TYPE_FRAME_PACKING                        = 45,
> >>> +    VVC_SEI_TYPE_PARAMETER_SETS_INCLUSION_INDICATION  = 129,
> >>> +    VVC_SEI_TYPE_DECODING_UNIT_INFO                   = 130,
> >>> +    VVC_SEI_TYPE_DECODED_PICTURE_HASH                 = 132,
> >>> +    VVC_SEI_TYPE_SCALABLE_NESTING                     = 133,
> >>> +    VVC_SEI_TYPE_REGION_REFRESH_INFO                  = 134,
> >>> +    VVC_SEI_TYPE_TIME_CODE                            = 136,
> >>> +    VVC_SEI_TYPE_MASTERING_DISPLAY_INFO               = 137,
> >>> +    VVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO             = 144,
> >>> +    VVC_SEI_TYPE_ALTERNATIVE_TRANSFER_CHARACTERISTICS = 147,
> >>> +} VVC_SEI_Type;
> >>> +
> >>> +#endif /* AVCODEC_VVC_SEI_H */
> >>
> >> This enum is no longer needed, since all the sei type enums have all
> >> been merged into sei.h
> >>
> > Yeah, but for vvc, 129 is not SEI_TYPE_ACTIVE_PARAMETER_SETS.
> > It's SEI_TYPE_PARAMETER_SETS_INCLUSION_INDICATION.
> > Maybe we can define it later.
>
> Yes, I sent a patch to add SEI_TYPE_PARAMETER_SETS_INCLUSION_INDICATION
> as an alias for SEI_TYPE_ACTIVE_PARAMETER_SETS last friday.
>
👍

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