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aasink: propose videometa uptream

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subclass from videosink.
Propose videometa upstream because we can handle it with the video api.
This commit is contained in:
Wim Taymans 2012-03-08 13:06:13 +01:00
parent 0ee34c293f
commit e0e39cb4ee
2 changed files with 55 additions and 10 deletions
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59
ext/aalib/gstaasink.c
View file

@ -40,6 +40,7 @@
#include <string.h>
#include <sys/time.h>
#include <gst/video/gstvideometa.h>
#include "gstaasink.h"
/* aasink signals and args */
@ -75,7 +76,9 @@ static void gst_aasink_fixate (GstBaseSink * bsink, GstCaps * caps);
static gboolean gst_aasink_setcaps (GstBaseSink * bsink, GstCaps * caps);
static void gst_aasink_get_times (GstBaseSink * bsink, GstBuffer * buffer,
GstClockTime * start, GstClockTime * end);
static GstFlowReturn gst_aasink_render (GstBaseSink * basesink,
static gboolean gst_aasink_propose_allocation (GstBaseSink * bsink,
GstQuery * query);
static GstFlowReturn gst_aasink_show_frame (GstVideoSink * videosink,
GstBuffer * buffer);
static void gst_aasink_set_property (GObject * object, guint prop_id,
@ -87,7 +90,7 @@ static GstStateChangeReturn gst_aasink_change_state (GstElement * element,
GstStateChange transition);
#define gst_aasink_parent_class parent_class
G_DEFINE_TYPE (GstAASink, gst_aasink, GST_TYPE_BASE_SINK);
G_DEFINE_TYPE (GstAASink, gst_aasink, GST_TYPE_VIDEO_SINK);
#define GST_TYPE_AADRIVERS (gst_aasink_drivers_get_type())
static GType
@ -160,10 +163,12 @@ gst_aasink_class_init (GstAASinkClass * klass)
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
GstVideoSinkClass *gstvideosink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
gstvideosink_class = (GstVideoSinkClass *) klass;
gobject_class->set_property = gst_aasink_set_property;
gobject_class->get_property = gst_aasink_get_property;
@ -216,8 +221,10 @@ gst_aasink_class_init (GstAASinkClass * klass)
gstbasesink_class->fixate = GST_DEBUG_FUNCPTR (gst_aasink_fixate);
gstbasesink_class->set_caps = GST_DEBUG_FUNCPTR (gst_aasink_setcaps);
gstbasesink_class->get_times = GST_DEBUG_FUNCPTR (gst_aasink_get_times);
gstbasesink_class->preroll = GST_DEBUG_FUNCPTR (gst_aasink_render);
gstbasesink_class->render = GST_DEBUG_FUNCPTR (gst_aasink_render);
gstbasesink_class->propose_allocation =
GST_DEBUG_FUNCPTR (gst_aasink_propose_allocation);
gstvideosink_class->show_frame = GST_DEBUG_FUNCPTR (gst_aasink_show_frame);
}
static void
@ -317,15 +324,53 @@ gst_aasink_get_times (GstBaseSink * sink, GstBuffer * buffer,
*end = *start + GST_BUFFER_DURATION (buffer);
}
static gboolean
gst_aasink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
{
GstCaps *caps;
GstVideoInfo info;
guint size;
gst_query_parse_allocation (query, &caps, NULL);
if (caps == NULL)
goto no_caps;
if (!gst_video_info_from_caps (&info, caps))
goto invalid_caps;
size = GST_VIDEO_INFO_SIZE (&info);
/* we need at least 2 buffer because we hold on to the last one */
gst_query_set_allocation_params (query, size, 2, 0, 0, 0, NULL);
/* we support various metadata */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE);
return TRUE;
/* ERRORS */
no_caps:
{
GST_DEBUG_OBJECT (bsink, "no caps specified");
return FALSE;
}
invalid_caps:
{
GST_DEBUG_OBJECT (bsink, "invalid caps specified");
return FALSE;
}
}
static GstFlowReturn
gst_aasink_render (GstBaseSink * basesink, GstBuffer * buffer)
gst_aasink_show_frame (GstVideoSink * videosink, GstBuffer * buffer)
{
GstAASink *aasink;
GstVideoFrame frame;
aasink = GST_AASINK (basesink);
aasink = GST_AASINK (videosink);
GST_DEBUG ("render");
GST_DEBUG ("show frame");
if (!gst_video_frame_map (&frame, &aasink->info, buffer, GST_MAP_READ))
goto invalid_frame;

6
ext/aalib/gstaasink.h
View file

@ -22,8 +22,8 @@
#define __GST_AASINK_H__
#include <gst/gst.h>
#include <gst/base/gstbasesink.h>
#include <gst/video/video.h>
#include <gst/video/gstvideosink.h>
#include <aalib.h>
@ -47,7 +47,7 @@ typedef struct _GstAASink GstAASink;
typedef struct _GstAASinkClass GstAASinkClass;
struct _GstAASink {
GstBaseSink parent;
GstVideoSink parent;
GstVideoInfo info;
@ -62,7 +62,7 @@ struct _GstAASink {
};
struct _GstAASinkClass {
GstBaseSinkClass parent_class;
GstVideoSinkClass parent_class;
};
GType gst_aasink_get_type(void);