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vdpausink: use GstVdpOutputBufferPool to alloc our buffers

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This way we'll reuse our GstVdpOutputBuffers if they're of the same size and
rgba-format
This commit is contained in:
Carl-Anton Ingmarsson 2010-07-30 11:20:35 +02:00
parent c0e1fba089
commit 57175ece9e
2 changed files with 38 additions and 52 deletions
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89
sys/vdpau/gstvdpsink.c
View file

@ -30,6 +30,7 @@
#include <gst/gstinfo.h>
#include "gstvdp/gstvdpoutputbuffer.h"
#include "gstvdp/gstvdpoutputbufferpool.h"
/* Object header */
#include "gstvdpsink.h"
@ -568,14 +569,16 @@ gst_vdp_sink_get_allowed_caps (GstVdpDevice * device, GValue * par)
return caps;
}
static GstVdpDevice *
gst_vdp_sink_setup_device (VdpSink * vdp_sink)
static gboolean
gst_vdp_sink_open_device (VdpSink * vdp_sink)
{
GstVdpDevice *device;
device = gst_vdp_get_device (vdp_sink->display_name);
if (!device)
return NULL;
vdp_sink->device = device = gst_vdp_get_device (vdp_sink->display_name);
if (!vdp_sink->device)
return FALSE;
vdp_sink->bpool = gst_vdp_output_buffer_pool_new (device);
vdp_sink->caps = gst_vdp_sink_get_allowed_caps (device, vdp_sink->par);
GST_DEBUG ("runtime calculated caps: %" GST_PTR_FORMAT, vdp_sink->caps);
@ -590,7 +593,7 @@ gst_vdp_sink_setup_device (VdpSink * vdp_sink)
vdp_sink->event_thread = g_thread_create (
(GThreadFunc) gst_vdp_sink_event_thread, vdp_sink, TRUE, NULL);
return device;
return TRUE;
}
static gboolean
@ -608,10 +611,8 @@ gst_vdp_sink_start (GstBaseSink * bsink)
vdp_sink->fps_d = 1;
GST_OBJECT_LOCK (vdp_sink);
if (!vdp_sink->device) {
if (!(vdp_sink->device = gst_vdp_sink_setup_device (vdp_sink)))
res = FALSE;
}
if (!vdp_sink->device)
res = gst_vdp_sink_open_device (vdp_sink);
GST_OBJECT_UNLOCK (vdp_sink);
return res;
@ -631,6 +632,7 @@ gst_vdp_device_clear (VdpSink * vdp_sink)
g_mutex_lock (vdp_sink->x_lock);
g_object_unref (vdp_sink->bpool);
g_object_unref (vdp_sink->device);
vdp_sink->device = NULL;
@ -732,6 +734,8 @@ gst_vdp_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
vdp_sink->fps_n = gst_value_get_fraction_numerator (fps);
vdp_sink->fps_d = gst_value_get_fraction_denominator (fps);
gst_vdp_buffer_pool_set_caps (vdp_sink->bpool, caps);
/* Notify application to set xwindow id now */
g_mutex_lock (vdp_sink->flow_lock);
if (!vdp_sink->window) {
@ -894,32 +898,14 @@ gst_vdp_sink_event (GstBaseSink * sink, GstEvent * event)
return TRUE;
}
static GstFlowReturn
gst_vdp_sink_get_output_buffer (VdpSink * vdp_sink, GstCaps * caps,
GstBuffer ** buf)
static void
gst_vdp_sink_post_error (VdpSink * vdp_sink, GError * error)
{
GstStructure *structure;
gint width, height;
gint rgba_format;
GstMessage *message;
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "width", &width) ||
!gst_structure_get_int (structure, "height", &height) ||
!gst_structure_get_int (structure, "rgba-format", &rgba_format)) {
GST_WARNING_OBJECT (vdp_sink, "invalid caps for buffer allocation %"
GST_PTR_FORMAT, caps);
return GST_FLOW_ERROR;
}
*buf = GST_BUFFER (gst_vdp_output_buffer_new (vdp_sink->device,
rgba_format, width, height, NULL));
if (*buf == NULL) {
return GST_FLOW_ERROR;
}
gst_buffer_set_caps (*buf, caps);
return GST_FLOW_OK;
message = gst_message_new_error (GST_OBJECT (vdp_sink), error, NULL);
gst_element_post_message (GST_ELEMENT (vdp_sink), message);
g_error_free (error);
}
/* Buffer management
@ -939,10 +925,10 @@ gst_vdp_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
VdpSink *vdp_sink;
GstStructure *structure = NULL;
GstFlowReturn ret = GST_FLOW_OK;
GstCaps *alloc_caps;
gboolean alloc_unref = FALSE;
gint width, height;
GstCaps *alloc_caps;
gint w_width, w_height;
GError *err;
vdp_sink = GST_VDP_SINK (bsink);
@ -950,12 +936,6 @@ gst_vdp_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
"a buffer of %d bytes was requested with caps %" GST_PTR_FORMAT
" and offset %" G_GUINT64_FORMAT, size, caps, offset);
/* assume we're going to alloc what was requested, keep track of
* wheter we need to unref or not. When we suggest a new format
* upstream we will create a new caps that we need to unref. */
alloc_caps = caps;
alloc_unref = FALSE;
/* get struct to see what is requested */
structure = gst_caps_get_structure (caps, 0);
if (!gst_structure_get_int (structure, "width", &width) ||
@ -966,6 +946,8 @@ gst_vdp_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
goto beach;
}
alloc_caps = gst_caps_ref (caps);
/* We take the flow_lock because the window might go away */
g_mutex_lock (vdp_sink->flow_lock);
if (!vdp_sink->window) {
@ -1007,26 +989,30 @@ gst_vdp_sink_buffer_alloc (GstBaseSink * bsink, guint64 offset, guint size,
if (gst_pad_peer_accept_caps (GST_VIDEO_SINK_PAD (vdp_sink), desired_caps)) {
/* we will not alloc a buffer of the new suggested caps. Make sure
* we also unref this new caps after we set it on the buffer. */
alloc_caps = desired_caps;
alloc_unref = TRUE;
width = w_width;
height = w_height;
GST_DEBUG ("peer pad accepts our desired caps %" GST_PTR_FORMAT,
desired_caps);
gst_caps_unref (alloc_caps);
alloc_caps = desired_caps;
} else {
GST_DEBUG ("peer pad does not accept our desired caps %" GST_PTR_FORMAT,
desired_caps);
/* we alloc a buffer with the original incomming caps already in the
* width and height variables */
gst_caps_unref (desired_caps);
}
}
alloc:
ret = gst_vdp_sink_get_output_buffer (vdp_sink, alloc_caps, buf);
gst_vdp_buffer_pool_set_caps (vdp_sink->bpool, alloc_caps);
gst_caps_unref (alloc_caps);
/* could be our new reffed suggestion or the original unreffed caps */
if (alloc_unref)
gst_caps_unref (alloc_caps);
err = NULL;
*buf =
GST_BUFFER_CAST (gst_vdp_buffer_pool_get_buffer (vdp_sink->bpool, &err));
if (!*buf) {
gst_vdp_sink_post_error (vdp_sink, err);
return GST_FLOW_ERROR;
}
beach:
return ret;
@ -1121,8 +1107,7 @@ gst_vdp_sink_set_xwindow_id (GstXOverlay * overlay, XID xwindow_id)
}
/* If the element has not initialized the X11 context try to do so */
if (!vdp_sink->device
&& !(vdp_sink->device = gst_vdp_sink_setup_device (vdp_sink))) {
if (!vdp_sink->device && !gst_vdp_sink_open_device (vdp_sink)) {
g_mutex_unlock (vdp_sink->flow_lock);
/* we have thrown a GST_ELEMENT_ERROR now */
return;

1
sys/vdpau/gstvdpsink.h
View file

@ -99,6 +99,7 @@ struct _VdpSink {
char *display_name;
GstVdpDevice *device;
GstVdpBufferPool *bpool;
GstCaps *caps;
GstVdpWindow *window;