This should speed it up significantly on systems where it matters.
Patch attached.
>From b904c881ba23230dc86d0d34d6de0649c8d9c0cc Mon Sep 17 00:00:00 2001
From: Lynne <d...@lynne.ee>
Date: Tue, 10 Aug 2021 12:47:06 +0200
Subject: [PATCH 2/2] hwcontext_vulkan: use GPU memcpy when copying to system
RAM
This should speed it up significantly on systems where it matters.
---
libavutil/hwcontext_vulkan.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
index b7da6a7e32..92b2c236c8 100644
--- a/libavutil/hwcontext_vulkan.c
+++ b/libavutil/hwcontext_vulkan.c
@@ -3424,7 +3424,7 @@ static int vulkan_transfer_data(AVHWFramesContext *hwfc, const AVFrame *vkf,
}
if (!from) {
- /* Map, copy image to buffer, unmap */
+ /* Map, copy image from buffer, unmap */
if ((err = map_buffers(dev_ctx, bufs, tmp.data, planes, 0)))
goto end;
@@ -3434,10 +3434,10 @@ static int vulkan_transfer_data(AVHWFramesContext *hwfc, const AVFrame *vkf,
get_plane_wh(&p_w, &p_h, swf->format, swf->width, swf->height, i);
- av_image_copy_plane(tmp.data[i], tmp.linesize[i],
- (const uint8_t *)swf->data[i], swf->linesize[i],
- FFMIN(tmp.linesize[i], FFABS(swf->linesize[i])),
- p_h);
+ av_image_copy_plane_uc_from(tmp.data[i], tmp.linesize[i],
+ (const uint8_t *)swf->data[i], swf->linesize[i],
+ FFMIN(tmp.linesize[i], FFABS(swf->linesize[i])),
+ p_h);
}
if ((err = unmap_buffers(dev_ctx, bufs, planes, 1)))
--
2.32.0.272.g935e593368
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
