Ping on this patch.
> -----Original Message-----
> From: Zhang, YuankunX <yuankunx.zh...@intel.com>
> Sent: Monday, April 12, 2021 9:47 AM
> To: ffmpeg-devel@ffmpeg.org
> Cc: Zhang, YuankunX <yuankunx.zh...@intel.com>
> Subject: [PATCH] avcodec/vaapi_encode_vp9: fix > 4k encode fail issue
>
> This patch will fix following command:
> ffmpeg -hwaccel vaapi -hwaccel_output_format vaapi -i input.264 \ -vf
> 'scale_vaapi=w=7680:h=4096' -c:v vp9_vaapi output.ivf
>
> Max width of a vp9 tile is 4096. If the source frame > 4096, we need split to
> multiple tiles.
>
> Signed-off-by: Zhang yuankun <yuankunx.zh...@intel.com>
> ---
> libavcodec/vaapi_encode_vp9.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/libavcodec/vaapi_encode_vp9.c b/libavcodec/vaapi_encode_vp9.c
> index 0e1c52c92a..ed45cd6d03 100644
> --- a/libavcodec/vaapi_encode_vp9.c
> +++ b/libavcodec/vaapi_encode_vp9.c
> @@ -31,6 +31,7 @@
>
> #define VP9_MAX_QUANT 255
>
> +#define VP9_MAX_TILE_WIDTH 4096
>
> typedef struct VAAPIEncodeVP9Picture {
> int slot;
> @@ -82,10 +83,17 @@ static int
> vaapi_encode_vp9_init_picture_params(AVCodecContext *avctx,
> VAAPIEncodeVP9Picture *hpic = pic->priv_data;
> VAEncPictureParameterBufferVP9 *vpic = pic->codec_picture_params;
> int i;
> + int num_tile_columns;
>
> vpic->reconstructed_frame = pic->recon_surface;
> vpic->coded_buf = pic->output_buffer;
>
> + // Maximum width of a tile in units of superblocks is
> MAX_TILE_WIDTH_B64(64)
> + // So the number of tile columns is related to the width of the picture.
> + // We set the minimum possible number for num_tile_columns as defualt
> value.
> + num_tile_columns = (vpic->frame_width_src + VP9_MAX_TILE_WIDTH - 1)
> / VP9_MAX_TILE_WIDTH;
> + vpic->log2_tile_columns = num_tile_columns == 1 ? 0 :
> + av_log2(num_tile_columns - 1) + 1;
> +
> switch (pic->type) {
> case PICTURE_TYPE_IDR:
> av_assert0(pic->nb_refs == 0);
> --
> 2.17.1
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