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va: Add helper function va_get_surface_usage_hint()

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5210>
This commit is contained in:
He Junyan 2023-08-21 15:03:56 +08:00 committed by Víctor Manuel Jáquez Leal
parent a49cd5f94d
commit 0e500ee084
2 changed files with 40 additions and 0 deletions
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34
subprojects/gst-plugins-bad/gst-libs/gst/va/vasurfaceimage.c
View file

@ -341,3 +341,37 @@ va_copy_surface (GstVaDisplay * display, VASurfaceID dst, VASurfaceID src)
}
return TRUE;
}
guint
va_get_surface_usage_hint (GstVaDisplay * display, VAEntrypoint entrypoint,
GstPadDirection dir, gboolean is_dma)
{
switch (entrypoint) {
case VAEntrypointVideoProc:{
/* For DMA kind caps, we use VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ |
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE to detect the modifiers.
And in runtime, we should use the same flags in order to keep
the same modifiers. */
if (is_dma)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ |
VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE;
if (dir == GST_PAD_SINK)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_READ;
else if (dir == GST_PAD_SRC)
return VA_SURFACE_ATTRIB_USAGE_HINT_VPP_WRITE;
break;
}
case VAEntrypointVLD:
return VA_SURFACE_ATTRIB_USAGE_HINT_DECODER;
case VAEntrypointEncSlice:
case VAEntrypointEncSliceLP:
case VAEntrypointEncPicture:
return VA_SURFACE_ATTRIB_USAGE_HINT_ENCODER;
default:
break;
}
return VA_SURFACE_ATTRIB_USAGE_HINT_GENERIC;
}

6
subprojects/gst-plugins-bad/gst-libs/gst/va/vasurfaceimage.h
View file

@ -56,6 +56,12 @@ gboolean va_copy_surface (GstVaDisplay * displa
VASurfaceID dst,
VASurfaceID src);
GST_VA_API
guint va_get_surface_usage_hint (GstVaDisplay * display,
VAEntrypoint entrypoint,
GstPadDirection dir,
gboolean is_dma);
/* images */
gboolean va_create_image (GstVaDisplay * display,
GstVideoFormat format,