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vdpaumpegdec: add src_getcaps func

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this way we can return only the caps we really support, since we're able to query vdpau
about it
This commit is contained in:
Carl-Anton Ingmarsson 2009-10-07 10:25:46 +02:00
parent 1b4094e5e6
commit a801e81efb
1 changed files with 27 additions and 1 deletions
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28
sys/vdpau/gstvdpmpegdec.c
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@ -832,6 +832,31 @@ done:
return ret;
}
static GstCaps *
gst_vdp_mpeg_dec_src_getcaps (GstPad * pad)
{
GstVdpMpegDec *mpeg_dec = GST_VDP_MPEG_DEC (gst_pad_get_parent (pad));
GstElementClass *eclass = GST_ELEMENT_GET_CLASS (mpeg_dec);
GstCaps *caps, *templ_caps;
templ_caps =
gst_pad_template_get_caps (gst_element_class_get_pad_template (eclass,
"src"));
if (mpeg_dec->device) {
GstCaps *yuv_caps, *video_caps;
video_caps = gst_vdp_video_buffer_get_allowed_video_caps (mpeg_dec->device);
yuv_caps = gst_vdp_video_buffer_get_allowed_yuv_caps (mpeg_dec->device);
gst_caps_append (video_caps, yuv_caps);
caps = gst_caps_intersect (video_caps, templ_caps);
gst_caps_unref (video_caps);
} else
caps = gst_caps_copy (templ_caps);
return caps;
}
static gboolean
gst_vdp_mpeg_dec_convert (GstVdpMpegDec * mpeg_dec,
GstFormat src_format, gint64 src_value,
@ -1202,7 +1227,8 @@ gst_vdp_mpeg_dec_init (GstVdpMpegDec * mpeg_dec, GstVdpMpegDecClass * gclass)
mpeg_dec->src =
gst_pad_new_from_template (gst_element_class_get_pad_template
(GST_ELEMENT_CLASS (gclass), "src"), "src");
gst_pad_use_fixed_caps (mpeg_dec->src);
gst_pad_set_getcaps_function (mpeg_dec->src,
GST_DEBUG_FUNCPTR (gst_vdp_mpeg_dec_src_getcaps));
gst_pad_set_event_function (mpeg_dec->src,
GST_DEBUG_FUNCPTR (gst_vdp_mpeg_dec_src_event));
gst_pad_set_query_function (mpeg_dec->src,