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video: Strip framerate from the target caps

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There will always be only a single output buffer and if the
target caps have a different framerate than the input there
will be a negotiation error during conversion.
This commit is contained in:
Sebastian Dröge 2010-09-12 16:51:52 +02:00
parent b54c4b486a
commit a30371ab15
1 changed files with 19 additions and 3 deletions
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22
gst-libs/gst/video/convertframe.c
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@ -251,9 +251,10 @@ gst_video_convert_frame (GstBuffer * buf, const GstCaps * to_caps,
GstBuffer *result = NULL; GstBuffer *result = NULL;
GError *error = NULL; GError *error = NULL;
GstBus *bus; GstBus *bus;
GstCaps *from_caps; GstCaps *from_caps, *to_caps_copy = NULL;
GstFlowReturn ret; GstFlowReturn ret;
GstElement *pipeline, *src, *sink; GstElement *pipeline, *src, *sink;
guint i, n;
g_return_val_if_fail (buf != NULL, NULL); g_return_val_if_fail (buf != NULL, NULL);
g_return_val_if_fail (to_caps != NULL, NULL); g_return_val_if_fail (to_caps != NULL, NULL);
@ -261,14 +262,26 @@ gst_video_convert_frame (GstBuffer * buf, const GstCaps * to_caps,
from_caps = GST_BUFFER_CAPS (buf); from_caps = GST_BUFFER_CAPS (buf);
to_caps_copy = gst_caps_new_empty ();
n = gst_caps_get_size (to_caps);
for (i = 0; i < n; i++) {
GstStructure *s = gst_caps_get_structure (to_caps, i);
s = gst_structure_copy (s);
gst_structure_remove_field (s, "framerate");
gst_caps_append_structure (to_caps_copy, s);
}
pipeline = pipeline =
build_convert_frame_pipeline (&src, &sink, from_caps, to_caps, &error); build_convert_frame_pipeline (&src, &sink, from_caps, to_caps_copy,
&error);
if (!pipeline) if (!pipeline)
goto no_pipeline; goto no_pipeline;
/* now set the pipeline to the paused state, after we push the buffer into /* now set the pipeline to the paused state, after we push the buffer into
* appsrc, this should preroll the converted buffer in appsink */ * appsrc, this should preroll the converted buffer in appsink */
GST_DEBUG ("running conversion pipeline to caps %" GST_PTR_FORMAT, to_caps); GST_DEBUG ("running conversion pipeline to caps %" GST_PTR_FORMAT,
to_caps_copy);
gst_element_set_state (pipeline, GST_STATE_PAUSED); gst_element_set_state (pipeline, GST_STATE_PAUSED);
/* feed buffer in appsrc */ /* feed buffer in appsrc */
@ -326,12 +339,15 @@ gst_video_convert_frame (GstBuffer * buf, const GstCaps * to_caps,
gst_element_set_state (pipeline, GST_STATE_NULL); gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (bus); gst_object_unref (bus);
gst_object_unref (pipeline); gst_object_unref (pipeline);
gst_caps_unref (to_caps_copy);
return result; return result;
/* ERRORS */ /* ERRORS */
no_pipeline: no_pipeline:
{ {
gst_caps_unref (to_caps_copy);
if (err) if (err)
*err = error; *err = error;
else else