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radv/video: Override H265 SPS block size parameters

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VCN only supports this set of parameters.

Reviewed-by: Ruijing Dong <ruijing.dong@amd.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38061>
This commit is contained in:
Benjamin Cheng 2025-10-24 10:18:07 -04:00 • committed by Marge Bot
parent 53b9389563
commit 84b6d8e0d7
1 changed files with 9 additions and 0 deletions
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9
src/amd/vulkan/radv_video_enc.c
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@ -3163,6 +3163,15 @@ radv_video_patch_encode_session_parameters(struct radv_device *device, struct vk
}
break;
case VK_VIDEO_CODEC_OPERATION_ENCODE_H265_BIT_KHR: {
for (unsigned i = 0; i < params->h265_enc.h265_sps_count; i++) {
/* VCN supports only the following block sizes (resulting in 64x64 CTBs with any coding
* block size) */
params->h265_enc.h265_sps[i].base.log2_min_luma_coding_block_size_minus3 = 0;
params->h265_enc.h265_sps[i].base.log2_diff_max_min_luma_coding_block_size = 3;
params->h265_enc.h265_sps[i].base.log2_min_luma_transform_block_size_minus2 = 0;
params->h265_enc.h265_sps[i].base.log2_diff_max_min_luma_transform_block_size = 3;
}
for (unsigned i = 0; i < params->h265_enc.h265_pps_count; i++) {
/* cu_qp_delta needs to be enabled if rate control is enabled. VCN2 and newer can also enable
* it with rate control disabled. Since we don't know what rate control will be used, we