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vdpau: GstVdpOutputSrcPad use gst_pad_alloc when outputting video/x-raw-rgb

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we implement "acceptcaps" to prevent us from getting a buffer with different
width and height from what we requested.
This commit is contained in:
Carl-Anton Ingmarsson 2010-07-30 14:07:22 +02:00
parent ac8dfbea82
commit 726290de21
1 changed files with 27 additions and 4 deletions
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31
sys/vdpau/gstvdp/gstvdpoutputsrcpad.c
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@ -53,6 +53,7 @@ struct _GstVdpOutputSrcPad
gint width, height;
GstVdpBufferPool *bpool;
gboolean lock_caps;
/* properties */
GstVdpDevice *device;
@ -87,14 +88,20 @@ gst_vdp_output_src_pad_push (GstVdpOutputSrcPad * vdp_pad,
switch (vdp_pad->output_format) {
case GST_VDP_OUTPUT_SRC_PAD_FORMAT_RGB:
{
GstFlowReturn ret;
guint size;
gst_vdp_output_buffer_calculate_size (output_buf, &size);
/* FIXME: we don't do pad_alloc here since we really want a buffer of
* the specified size */
outbuf = gst_buffer_new_and_alloc (size);
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (vdp_pad));
vdp_pad->lock_caps = TRUE;
ret = gst_pad_alloc_buffer (pad, 0, size, GST_PAD_CAPS (vdp_pad),
&outbuf);
vdp_pad->lock_caps = FALSE;
if (ret != GST_FLOW_OK) {
gst_buffer_unref (GST_BUFFER_CAST (output_buf));
return ret;
}
if (!gst_vdp_output_buffer_download (output_buf, outbuf, error)) {
gst_buffer_unref (GST_BUFFER_CAST (output_buf));
@ -210,6 +217,17 @@ gst_vdp_output_src_pad_alloc_buffer (GstVdpOutputSrcPad * vdp_pad,
}
static gboolean
gst_vdp_output_src_pad_acceptcaps (GstPad * pad, GstCaps * caps)
{
GstVdpOutputSrcPad *vdp_pad = GST_VDP_OUTPUT_SRC_PAD (pad);
if (!vdp_pad->lock_caps)
return TRUE;
return gst_caps_is_equal_fixed (caps, GST_PAD_CAPS (pad));
}
static gboolean
gst_vdp_output_src_pad_setcaps (GstPad * pad, GstCaps * caps)
{
@ -373,10 +391,15 @@ gst_vdp_output_src_pad_init (GstVdpOutputSrcPad * vdp_pad)
vdp_pad->bpool = NULL;
vdp_pad->device = NULL;
vdp_pad->lock_caps = FALSE;
gst_pad_set_getcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_vdp_output_src_pad_getcaps));
gst_pad_set_setcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_vdp_output_src_pad_setcaps));
gst_pad_set_acceptcaps_function (pad,
GST_DEBUG_FUNCPTR (gst_vdp_output_src_pad_acceptcaps));
gst_pad_set_activatepush_function (pad,
GST_DEBUG_FUNCPTR (gst_vdp_output_src_pad_activate_push));
}