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plugins: allow creation of VA surfaces with explicit pixel format.

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Adapt GstVaapiVideoMemory allocator to support creation of VA surfaces
with an explicit pixel format. This allows for direct rendering to
VA surface memory from a software decoder.
This commit is contained in:
Gwenole Beauchesne 2013-07-10 10:34:24 +02:00
parent 1c9ebecb77
commit 1cfe03ee52
1 changed files with 17 additions and 2 deletions
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19
gst/vaapi/gstvaapivideomemory.c
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@ -67,9 +67,18 @@ ensure_image(GstVaapiVideoMemory *mem)
static GstVaapiSurface * static GstVaapiSurface *
new_surface(GstVaapiDisplay *display, const GstVideoInfo *vip) new_surface(GstVaapiDisplay *display, const GstVideoInfo *vip)
{ {
GstVaapiSurface *surface;
/* Try with explicit format first */
surface = gst_vaapi_surface_new_with_format(display,
GST_VIDEO_INFO_FORMAT(vip), GST_VIDEO_INFO_WIDTH(vip),
GST_VIDEO_INFO_HEIGHT(vip));
if (surface)
return surface;
/* Try to pick something compatible. Best bet: NV12 (YUV 4:2:0) */
if (GST_VIDEO_INFO_FORMAT(vip) != GST_VIDEO_FORMAT_NV12) if (GST_VIDEO_INFO_FORMAT(vip) != GST_VIDEO_FORMAT_NV12)
return NULL; return NULL;
return gst_vaapi_surface_new(display, GST_VAAPI_CHROMA_TYPE_YUV420, return gst_vaapi_surface_new(display, GST_VAAPI_CHROMA_TYPE_YUV420,
GST_VIDEO_INFO_WIDTH(vip), GST_VIDEO_INFO_HEIGHT(vip)); GST_VIDEO_INFO_WIDTH(vip), GST_VIDEO_INFO_HEIGHT(vip));
} }
@ -383,8 +392,14 @@ gst_vaapi_video_allocator_init(GstVaapiVideoAllocator *allocator)
static gboolean static gboolean
gst_video_info_update_from_image(GstVideoInfo *vip, GstVaapiImage *image) gst_video_info_update_from_image(GstVideoInfo *vip, GstVaapiImage *image)
{ {
GstVideoFormat format;
const guchar *data; const guchar *data;
guint i, num_planes, data_size; guint i, num_planes, data_size, width, height;
/* Reset format from image */
format = gst_vaapi_image_get_format(image);
gst_vaapi_image_get_size(image, &width, &height);
gst_video_info_set_format(vip, format, width, height);
num_planes = gst_vaapi_image_get_plane_count(image); num_planes = gst_vaapi_image_get_plane_count(image);
g_return_val_if_fail(num_planes == GST_VIDEO_INFO_N_PLANES(vip), FALSE); g_return_val_if_fail(num_planes == GST_VIDEO_INFO_N_PLANES(vip), FALSE);