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vaapipluginbase: dmabuf memory map trial for raw caps

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Only push dmabuf-based buffers with raw caps if gst_memory_map()
succeeds. Otherwise, use the the vaapi surfaces allocator.

https://bugzilla.gnome.org/show_bug.cgi?id=755072
https://bugzilla.gnome.org/show_bug.cgi?id=774649

Original-patch-by: Julien Isorce <j.isorce@samsung.com>
This commit is contained in:
Víctor Manuel Jáquez Leal 2017-06-01 19:13:52 +02:00
parent 5312923d1c
commit f578515988
1 changed files with 29 additions and 7 deletions
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36
gst/vaapi/gstvaapipluginbase.c
View file

@ -569,6 +569,31 @@ get_dmabuf_surface_allocation_flags (void)
return GST_VAAPI_SURFACE_ALLOC_FLAG_LINEAR_STORAGE;
}
static inline GstAllocator *
create_dmabuf_srcpad_allocator (GstVaapiPluginBase * plugin,
GstVideoInfo * vinfo, gboolean check_for_map)
{
GstAllocator *allocator;
if (!GST_IS_VIDEO_DECODER (plugin) && !GST_IS_BASE_TRANSFORM (plugin))
return NULL;
allocator = gst_vaapi_dmabuf_allocator_new (plugin->display, vinfo,
get_dmabuf_surface_allocation_flags (), GST_PAD_SRC);
if (!allocator || !check_for_map)
return allocator;
/* the dmabuf allocator *must* be capable to map a buffer with raw
* caps and the there's no evidence of downstream dmabuf
* importation */
if (!gst_vaapi_dmabuf_can_map (plugin->display, allocator)) {
GST_INFO_OBJECT (plugin, "dmabuf allocator generates unmappable buffers");
gst_object_replace ((GstObject **) & allocator, NULL);
}
return allocator;
}
static gboolean
ensure_srcpad_allocator (GstVaapiPluginBase * plugin, GstVideoInfo * vinfo,
GstCaps * caps)
@ -583,16 +608,13 @@ ensure_srcpad_allocator (GstVaapiPluginBase * plugin, GstVideoInfo * vinfo,
plugin->srcpad_allocator = NULL;
if (caps && gst_caps_is_video_raw (caps)) {
if (plugin->srcpad_can_dmabuf) {
if (GST_IS_VIDEO_DECODER (plugin) || GST_IS_BASE_TRANSFORM (plugin)) {
plugin->srcpad_allocator =
gst_vaapi_dmabuf_allocator_new (plugin->display, vinfo,
get_dmabuf_surface_allocation_flags (), GST_PAD_SRC);
}
} else if (plugin->enable_direct_rendering) {
GstAllocator *allocator = create_dmabuf_srcpad_allocator (plugin, vinfo,
!plugin->srcpad_can_dmabuf);
if (!allocator && plugin->enable_direct_rendering) {
usage_flag = GST_VAAPI_IMAGE_USAGE_FLAG_DIRECT_RENDER;
GST_INFO_OBJECT (plugin, "enabling direct rendering in source allocator");
}
plugin->srcpad_allocator = allocator;
}
if (!plugin->srcpad_allocator) {