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* [FFmpeg-devel] [PATCH] vulkan_av1: Set force_integer_mv on intra frames
@ 2024-04-27 13:40 Mark Thompson
  2024-04-27 13:47 ` Ronald S. Bultje
  0 siblings, 1 reply; 5+ messages in thread
From: Mark Thompson @ 2024-04-27 13:40 UTC (permalink / raw)
  To: FFmpeg development discussions and patches

The flag in CBS is the value read from the bitstream (as required for
passthrough), but the specification overrides that by setting it
immediately after reading if the frame is intra.
---
This is already done for DXVA and VDPAU.  Also wondering whether this should be done for VAAPI?

 libavcodec/vulkan_av1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vulkan_av1.c b/libavcodec/vulkan_av1.c
index 25ab4ecc70..694e643954 100644
--- a/libavcodec/vulkan_av1.c
+++ b/libavcodec/vulkan_av1.c
@@ -435,7 +435,7 @@ static int vk_av1_start_frame(AVCodecContext          *avctx,
             .render_and_frame_size_different = frame_header->render_and_frame_size_different,
             .allow_screen_content_tools = frame_header->allow_screen_content_tools,
             .is_filter_switchable = frame_header->is_filter_switchable,
-            .force_integer_mv = frame_header->force_integer_mv,
+            .force_integer_mv = frame_header->force_integer_mv || !(frame_header->frame_type & 1),
             .frame_size_override_flag = frame_header->frame_size_override_flag,
             .buffer_removal_time_present_flag = frame_header->buffer_removal_time_present_flag,
             .allow_intrabc = frame_header->allow_intrabc,
-- 
2.43.0
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^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2024-04-27 14:58 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-04-27 13:40 [FFmpeg-devel] [PATCH] vulkan_av1: Set force_integer_mv on intra frames Mark Thompson
2024-04-27 13:47 ` Ronald S. Bultje
2024-04-27 13:58   ` Mark Thompson
2024-04-27 14:07     ` Mark Thompson
2024-04-27 14:58       ` Lynne

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