Re: [FFmpeg-devel] [PATCH 1/3] avcodec/vvc_parser: move avctx->has_b_frames initialization to dec

[Nuo Mi <nuomi2021@gmail.com>]

On Wed, Jul 24, 2024 at 2:56 AM <toqsxw@outlook.com> wrote:

> From: Wu Jianhua <toqsxw@outlook.com>
>
> From Jun Zhao <mypopydev@gmail.com>:
> > Should we relocate this to the decoder? Other codecs typically set this
> > parameter in the decoder.
>
Thank you, Jianhua.
will apply next week.

>
> Signed-off-by: Wu Jianhua <toqsxw@outlook.com>
> ---
>  libavcodec/vvc/dec.c    | 1 +
>  libavcodec/vvc_parser.c | 3 ---
>  2 files changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/libavcodec/vvc/dec.c b/libavcodec/vvc/dec.c
> index d04f68e4cf..6e225d278a 100644
> --- a/libavcodec/vvc/dec.c
> +++ b/libavcodec/vvc/dec.c
> @@ -748,6 +748,7 @@ static void export_frame_params(VVCContext *s, const
> VVCFrameContext *fc)
>      c->coded_height = pps->height;
>      c->width        = pps->width  - ((pps->r->pps_conf_win_left_offset +
> pps->r->pps_conf_win_right_offset) << sps->hshift[CHROMA]);
>      c->height       = pps->height - ((pps->r->pps_conf_win_top_offset +
> pps->r->pps_conf_win_bottom_offset) << sps->vshift[CHROMA]);
> +    c->has_b_frames =
> sps->r->sps_dpb_params.dpb_max_num_reorder_pics[sps->r->sps_max_sublayers_minus1];
>  }
>
>  static int frame_setup(VVCFrameContext *fc, VVCContext *s)
> diff --git a/libavcodec/vvc_parser.c b/libavcodec/vvc_parser.c
> index 5373875aae..8d32d66573 100644
> --- a/libavcodec/vvc_parser.c
> +++ b/libavcodec/vvc_parser.c
> @@ -185,9 +185,6 @@ static void set_parser_ctx(AVCodecParserContext *s,
> AVCodecContext *avctx,
>      avctx->color_range =
>          sps->vui.vui_full_range_flag ? AVCOL_RANGE_JPEG :
> AVCOL_RANGE_MPEG;
>
> -    avctx->has_b_frames =
> -
> sps->sps_dpb_params.dpb_max_num_reorder_pics[sps->sps_max_sublayers_minus1];
> -
>      if (sps->sps_ptl_dpb_hrd_params_present_flag &&
>          sps->sps_timing_hrd_params_present_flag) {
>          uint32_t num =
> sps->sps_general_timing_hrd_parameters.num_units_in_tick;
> --
> 2.44.0.windows.1
>
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