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pngparse: Proxy upstream framerate on srcpad if avalaible

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If the user sets it himself with capsfilter, the information should be
kept and transmitted downstream.
This commit is contained in:
Thibault Saunier 2013-11-13 17:16:04 -03:00
parent b148c22cec
commit 07ba033943
1 changed files with 17 additions and 2 deletions
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19
gst/videoparsers/gstpngparse.c
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@ -161,13 +161,28 @@ gst_png_parse_handle_frame (GstBaseParse * parse,
if (code == GST_MAKE_FOURCC ('I', 'E', 'N', 'D')) {
if (pngparse->width != width || pngparse->height != height) {
GstCaps *caps;
GstStructure *st = NULL;
GstCaps *caps, *sink_caps;
gint fr_num, fr_denom;
pngparse->height = height;
pngparse->width = width;
sink_caps =
gst_pad_get_current_caps (GST_BASE_PARSE_SINK_PAD (pngparse));
if (sink_caps && (st = gst_caps_get_structure (sink_caps, 0))
&& gst_structure_get_fraction (st, "framerate", &fr_num, &fr_denom)) {
/* Got it in caps - nothing more to do */
GST_DEBUG_OBJECT (pngparse,
"sink caps override framerate from headers");
} else {
GST_INFO_OBJECT (pngparse, "No framerate set");
}
caps = gst_caps_new_simple ("image/png",
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height, NULL);
"width", G_TYPE_INT, width, "height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION, fr_num, fr_denom, NULL);
if (!gst_pad_set_caps (GST_BASE_PARSE_SRC_PAD (parse), caps)) {
ret = GST_FLOW_NOT_NEGOTIATED;
}