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Add missing GstBaseSink::buffer_alloc() override. i.e. make sure

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to allocate a GstVaapiVideoBuffer instead of a plain GstBuffer
from the peer pad.
This commit is contained in:
gb 2010-04-29 21:59:14 +00:00 committed by Gwenole Beauchesne
parent f1fc4b52c5
commit 73b50487f3
1 changed files with 59 additions and 10 deletions
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69
gst/vaapisink/gstvaapisink.c
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@ -275,6 +275,54 @@ gst_vaapisink_set_caps(GstBaseSink *base_sink, GstCaps *caps)
return TRUE;
}
static GstFlowReturn
gst_vaapisink_buffer_alloc(
GstBaseSink *base_sink,
guint64 offset,
guint size,
GstCaps *caps,
GstBuffer **pout_buffer
)
{
GstBuffer *buffer;
GstCaps *sink_caps;
sink_caps = gst_static_pad_template_get_caps(&gst_vaapisink_sink_factory);
if (!sink_caps)
goto error_no_sink_caps;
if (!gst_caps_is_always_compatible(caps, sink_caps))
goto error_invalid_caps;
buffer = gst_vaapi_video_buffer_new();
if (!buffer)
goto error_create_buffer;
gst_buffer_set_caps(buffer, caps);
gst_caps_unref(sink_caps);
*pout_buffer = buffer;
return GST_FLOW_OK;
/* ERRORS */
error_no_sink_caps:
{
GST_DEBUG("failed to get static sink caps");
return GST_FLOW_UNEXPECTED;
}
error_invalid_caps:
{
GST_DEBUG("failed to validate input caps");
gst_caps_unref(sink_caps);
return GST_FLOW_UNEXPECTED;
}
error_create_buffer:
{
GST_DEBUG("failed to create video buffer");
gst_caps_unref(sink_caps);
return GST_FLOW_UNEXPECTED;
}
}
#if USE_VAAPISINK_GLX
static void
render_background(GstVaapiSink *sink)
@ -539,18 +587,19 @@ static void gst_vaapisink_base_init(gpointer klass)
static void gst_vaapisink_class_init(GstVaapiSinkClass *klass)
{
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
GObjectClass * const object_class = G_OBJECT_CLASS(klass);
GstBaseSinkClass * const basesink_class = GST_BASE_SINK_CLASS(klass);
object_class->finalize = gst_vaapisink_finalize;
object_class->set_property = gst_vaapisink_set_property;
object_class->get_property = gst_vaapisink_get_property;
object_class->finalize = gst_vaapisink_finalize;
object_class->set_property = gst_vaapisink_set_property;
object_class->get_property = gst_vaapisink_get_property;
basesink_class->start = gst_vaapisink_start;
basesink_class->stop = gst_vaapisink_stop;
basesink_class->set_caps = gst_vaapisink_set_caps;
basesink_class->preroll = gst_vaapisink_show_frame;
basesink_class->render = gst_vaapisink_show_frame;
basesink_class->start = gst_vaapisink_start;
basesink_class->stop = gst_vaapisink_stop;
basesink_class->set_caps = gst_vaapisink_set_caps;
basesink_class->buffer_alloc = gst_vaapisink_buffer_alloc;
basesink_class->preroll = gst_vaapisink_show_frame;
basesink_class->render = gst_vaapisink_show_frame;
#if USE_VAAPISINK_GLX
g_object_class_install_property