diff mbox series

[FFmpeg-devel,v2] lavu/hwcontext_vaapi: Use vaMapBuffer2 for mapping image buffers

Message ID 20231027091550.94017-2-nowrep@gmail.com
State New
Headers show
Series [FFmpeg-devel,v2] lavu/hwcontext_vaapi: Use vaMapBuffer2 for mapping image buffers | expand

Checks

Context Check Description
yinshiyou/make_fate_loongarch64 success Make fate finished
yinshiyou/make_loongarch64 warning New warnings during build
andriy/make_fate_x86 success Make fate finished
andriy/make_x86 warning New warnings during build

Commit Message

David Rosca Oct. 27, 2023, 9:14 a.m. UTC 
This allows some optimizations in driver, such as not having to read
back the data if write-only mapping is requested.
---
v2: Fix warning

 libavutil/hwcontext_vaapi.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/libavutil/hwcontext_vaapi.c b/libavutil/hwcontext_vaapi.c
index 558fed94c6..0d16699f66 100644
--- a/libavutil/hwcontext_vaapi.c
+++ b/libavutil/hwcontext_vaapi.c
@@ -799,6 +799,7 @@  static int vaapi_map_frame(AVHWFramesContext *hwfc,
     VAStatus vas;
     void *address = NULL;
     int err, i;
+    uint32_t vaflags = 0;
 
     surface_id = (VASurfaceID)(uintptr_t)src->data[3];
     av_log(hwfc, AV_LOG_DEBUG, "Map surface %#x.\n", surface_id);
@@ -882,7 +883,15 @@  static int vaapi_map_frame(AVHWFramesContext *hwfc,
         }
     }
 
+#if VA_CHECK_VERSION(1, 21, 0)
+    if (flags & AV_HWFRAME_MAP_READ || !(flags & AV_HWFRAME_MAP_OVERWRITE))
+        vaflags |= VA_MAPBUFFER_FLAG_READ;
+    if (flags & AV_HWFRAME_MAP_WRITE)
+        vaflags |= VA_MAPBUFFER_FLAG_WRITE;
+    vas = vaMapBuffer2(hwctx->display, map->image.buf, &address, vaflags);
+#else
     vas = vaMapBuffer(hwctx->display, map->image.buf, &address);
+#endif
     if (vas != VA_STATUS_SUCCESS) {
         av_log(hwfc, AV_LOG_ERROR, "Failed to map image from surface "
                "%#x: %d (%s).\n", surface_id, vas, vaErrorStr(vas));