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commit 083bf5cecb1bdbe3d5f9ba28e558d38511000874 Author: Lynne <[email protected]> AuthorDate: Wed Sep 9 01:36:28 2026 +0900 Commit: Lynne <[email protected]> CommitDate: Sun Sep 20 16:45:57 2026 +0900 vulkan_prores_raw: undo potential quant matrix permutation Same as last commit, except this is done just in case someone introduces a ProRes RAW iDCT. --- libavcodec/vulkan_prores_raw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/libavcodec/vulkan_prores_raw.c b/libavcodec/vulkan_prores_raw.c index 54567fd07a..a19a089947 100644 --- a/libavcodec/vulkan_prores_raw.c +++ b/libavcodec/vulkan_prores_raw.c @@ -226,7 +226,10 @@ static int vk_prores_raw_end_frame(AVCodecContext *avctx) DecodePushData pd_decode = (DecodePushData) { .pkt_data = slices_buf->address, }; - memcpy(pd_decode.qmat, prr->qmat, 64); + /* The decoder permutes the quantization matrix to match the layout + * expected by its IDCT, undo it here. */ + for (int i = 0; i < 64; i++) + pd_decode.qmat[prr->prodsp.idct_permutation[i]] = prr->qmat[i]; memcpy(pd_decode.lin_curve, prr->lin_curve, sizeof(pd_decode.lin_curve)); ff_vk_shader_update_push_const(&ctx->s, exec, decode_shader, VK_SHADER_STAGE_COMPUTE_BIT, -- To stop receiving notification emails like this one, please contact [email protected]. _______________________________________________ ffmpeg-cvslog mailing list -- [email protected] To unsubscribe send an email to [email protected]
