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plugins: enable DMAbuf allocator to downstream

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If the negotiated caps are raw caps and downstream supports the
EGL_EXT_image_dma_buf_import extension, then the created allocator
is the DMAbuf, configured to downstream.

At this moment, the only element which can push dmabuf-based buffers
to downstream, is vaapipostproc.
This commit is contained in:
Víctor Manuel Jáquez Leal 2016-12-16 14:12:30 +01:00
parent 37b7743934
commit aa20508bcf
1 changed files with 17 additions and 4 deletions
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21
gst/vaapi/gstvaapipluginbase.c
View file

@ -564,14 +564,27 @@ ensure_srcpad_allocator (GstVaapiPluginBase * plugin, GstVideoInfo * vinfo,
if (!reset_allocator (plugin->srcpad_allocator, &vi))
return TRUE;
plugin->srcpad_allocator = NULL;
/* enable direct rendering if downstream requests raw video */
if (caps && gst_caps_is_video_raw (caps)) {
usage_flag = GST_VAAPI_IMAGE_USAGE_FLAG_DIRECT_RENDER;
GST_INFO_OBJECT (plugin, "enabling direct rendering in source allocator");
if (plugin->srcpad_can_dmabuf) {
if (GST_IS_BASE_TRANSFORM (plugin)) {
plugin->srcpad_allocator =
gst_vaapi_dmabuf_allocator_new (plugin->display, vinfo, 0,
GST_PAD_SRC);
}
} else {
usage_flag = GST_VAAPI_IMAGE_USAGE_FLAG_DIRECT_RENDER;
GST_INFO_OBJECT (plugin, "enabling direct rendering in source allocator");
}
}
if (!plugin->srcpad_allocator) {
plugin->srcpad_allocator =
gst_vaapi_video_allocator_new (plugin->display, vinfo, 0, usage_flag);
}
plugin->srcpad_allocator =
gst_vaapi_video_allocator_new (plugin->display, vinfo, 0, usage_flag);
if (!plugin->srcpad_allocator)
goto error_create_allocator;