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don't plug encoders when raw caps are given

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This commit is contained in:
Brandon Lewis 2010-07-16 18:39:07 +02:00
parent f80b85ffdc
commit de54e7a312
1 changed files with 36 additions and 12 deletions
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48
ges/ges-screenshot.c
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@ -39,6 +39,22 @@ create_element (const gchar * factory_name, GstElement ** element,
static GstElement *get_encoder (GstCaps * caps);
static gboolean caps_are_raw (GstCaps * caps);
static gboolean
caps_are_raw (GstCaps * caps)
{
static GstCaps *raw_video = NULL;
static gsize once = 0;
if (g_once_init_enter (&once)) {
raw_video = gst_caps_from_string ("video/x-raw-yuv;video/x-raw-rgb");
g_once_init_leave (&once, 1);
}
return gst_caps_can_intersect (caps, raw_video);
}
GstBuffer *
gst_play_sink_convert_frame (GstElement * playsink, GstCaps * caps)
{
@ -142,10 +158,6 @@ gst_play_frame_conv_convert (GstBuffer * buf, GstCaps * to_caps)
GstCaps *from_caps;
GstFlowReturn ret;
encoder = get_encoder (to_caps);
if (!encoder)
goto no_encoder;
from_caps = GST_BUFFER_CAPS (buf);
g_return_val_if_fail (from_caps != NULL, NULL);
@ -163,7 +175,7 @@ gst_play_frame_conv_convert (GstBuffer * buf, GstCaps * to_caps)
goto no_pipeline;
GST_DEBUG ("adding elements");
gst_bin_add_many (GST_BIN (pipeline), src, csp, vscale, encoder, sink, NULL);
gst_bin_add_many (GST_BIN (pipeline), src, csp, vscale, sink, NULL);
/* set caps */
g_object_set (src, "caps", from_caps, NULL);
@ -178,15 +190,27 @@ gst_play_frame_conv_convert (GstBuffer * buf, GstCaps * to_caps)
if (!gst_element_link_pads (csp, "src", vscale, "sink"))
goto link_failed;
/* TODO: only plug an encoder if caps aren't raw ? */
if (caps_are_raw (to_caps)) {
GST_DEBUG ("linking vscale->sink");
GST_DEBUG ("linking vscale->encoder");
if (!gst_element_link (vscale, encoder))
goto link_failed;
if (!gst_element_link_pads (vscale, "src", sink, "sink"))
goto link_failed;
}
GST_DEBUG ("linking encoder->sink");
if (!gst_element_link_pads (encoder, "src", sink, "sink"))
goto link_failed;
else {
encoder = get_encoder (to_caps);
if (!encoder)
goto no_encoder;
gst_bin_add (GST_BIN (pipeline), encoder);
GST_DEBUG ("linking vscale->encoder");
if (!gst_element_link (vscale, encoder))
goto link_failed;
GST_DEBUG ("linking encoder->sink");
if (!gst_element_link_pads (encoder, "src", sink, "sink"))
goto link_failed;
}
/* now set the pipeline to the paused state, after we push the buffer into
* appsrc, this should preroll the converted buffer in appsink */