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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.

Reviewed-by: Limin Wang <lance.lmwang@gmail.com>
Signed-off-by: Zhang yuankun <yuankunx.zhang@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
This commit is contained in:
Zhang yuankun 2021-04-12 09:47:24 +08:00 committed by Haihao Xiang
parent dd7c0bc4f9
commit db901276c0
1 changed files with 8 additions and 0 deletions
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8
libavcodec/vaapi_encode_vp9.c
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@ -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 default 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);