breeze/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2026-02-04 14:30:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

avcodec/vulkan_av1: fix mi_col_starts and mi_row_starts units

Browse Source 
The spec says:
   pMiColStarts is a pointer to an array of TileCols number
   of unsigned integers that corresponds to MiColStarts
   defined in section 6.8.14 of the [AV1 Specification]

And the unit of MiColStarts is MI(mode info).

So is pMiRowStarts.
This commit is contained in:
Hyunjun Ko
2026-01-20 18:36:20 +09:00
committed by Lynne
parent ba3cbc2b4a
commit b637624046
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
libavcodec/vulkan_av1.c
View File

@@ -252,9 +252,11 @@ static int vk_av1_start_frame(AVCodecContext *avctx,
int err;
int ref_count = 0;
AV1DecContext *s = avctx->priv_data;
const AV1RawSequenceHeader *seq = s->raw_seq;
const AV1Frame *pic = &s->cur_frame;
FFVulkanDecodeContext *dec = avctx->internal->hwaccel_priv_data;
uint32_t frame_id_alloc_mask = 0;
uint16_t sb_shift = seq->use_128x128_superblock ? 5 : 4;
AV1VulkanDecodePicture *ap = pic->hwaccel_picture_private;
FFVulkanDecodePicture *vp = &ap->vp;
@@ -498,8 +500,8 @@ static int vk_av1_start_frame(AVCodecContext *avctx,
for (int i = 0; i < 64; i++) {
ap->width_in_sbs_minus1[i] = frame_header->width_in_sbs_minus_1[i];
ap->height_in_sbs_minus1[i] = frame_header->height_in_sbs_minus_1[i];
ap->mi_col_starts[i] = frame_header->tile_start_col_sb[i];
ap->mi_row_starts[i] = frame_header->tile_start_row_sb[i];
ap->mi_col_starts[i] = frame_header->tile_start_col_sb[i] << sb_shift;
ap->mi_row_starts[i] = frame_header->tile_start_row_sb[i] << sb_shift;
}
for (int i = 0; i < STD_VIDEO_AV1_MAX_SEGMENTS; i++) {