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diff -u -r1.39 -r1.40
--- gstreamer/gst-plugins/gst/audioconvert/gstaudioconvert.c 2004/03/15 19:32:00 1.39
+++ gstreamer/gst-plugins/gst/audioconvert/gstaudioconvert.c 2004/03/21 02:54:37 1.40
@@ -109,6 +109,7 @@
static void gst_audio_convert_chain (GstPad * pad, GstData * _data);
static GstPadLinkReturn gst_audio_convert_link (GstPad * pad,
const GstCaps * caps);
+static GstCaps *gst_audio_convert_fixate (GstPad * pad, const GstCaps * caps);
static GstCaps *gst_audio_convert_getcaps (GstPad * pad);
static GstElementStateReturn gst_audio_convert_change_state (GstElement *
element);
@@ -202,6 +203,7 @@
(&gst_audio_convert_sink_template), "sink");
gst_pad_set_getcaps_function (this->sink, gst_audio_convert_getcaps);
gst_pad_set_link_function (this->sink, gst_audio_convert_link);
+ gst_pad_set_fixate_function (this->sink, gst_audio_convert_fixate);
gst_element_add_pad (GST_ELEMENT (this), this->sink);
/* srcpad */
@@ -210,6 +212,7 @@
(&gst_audio_convert_src_template), "src");
gst_pad_set_getcaps_function (this->src, gst_audio_convert_getcaps);
gst_pad_set_link_function (this->src, gst_audio_convert_link);
+ gst_pad_set_fixate_function (this->src, gst_audio_convert_fixate);
gst_element_add_pad (GST_ELEMENT (this), this->src);
gst_pad_set_chain_function (this->sink, gst_audio_convert_chain);
@@ -386,6 +389,12 @@
}
}
}
+ if (this->sink == pad) {
+ this->sinkcaps = ac_caps;
+ } else {
+ this->srccaps = ac_caps;
+ }
+ GST_LOG_OBJECT (this, "trying to set caps to %" GST_PTR_FORMAT, othercaps);
ret = gst_pad_try_set_caps_nonfixed (otherpad, othercaps);
gst_caps_free (othercaps);
if (ret < GST_PAD_LINK_OK)
@@ -406,11 +415,77 @@
this->sinkcaps = other_ac_caps;
}
- GST_DEBUG ("negotiated pad to %" GST_PTR_FORMAT, caps);
- GST_DEBUG ("negotiated otherpad to %" GST_PTR_FORMAT, othercaps);
+ GST_DEBUG_OBJECT (this, "negotiated pad to %" GST_PTR_FORMAT, caps);
+ GST_DEBUG_OBJECT (this, "negotiated otherpad to %" GST_PTR_FORMAT, othercaps);
return GST_PAD_LINK_OK;
}
+gboolean
+_fixate_caps_to_int (GstCaps ** caps, const gchar * field, gint value)
+{
+ GstCaps *try, *intersection;
+ gboolean ret = FALSE;
+ guint i;
+
+ try =
+ gst_caps_new_simple ("audio/x-raw-int", field, GST_TYPE_INT_RANGE,
+ G_MININT, value - 1, NULL), gst_caps_append (try,
+ gst_caps_new_simple ("audio/x-raw-float", field, GST_TYPE_INT_RANGE,
+ G_MININT, value - 1, NULL));
+ intersection = gst_caps_intersect (*caps, try);
+ if (!gst_caps_is_empty (intersection)) {
+ gst_caps_free (try);
+ try =
+ gst_caps_new_simple ("audio/x-raw-int", field, GST_TYPE_INT_RANGE,
+ value, G_MAXINT, NULL), gst_caps_append (try,
+ gst_caps_new_simple ("audio/x-raw-float", field, GST_TYPE_INT_RANGE,
+ value, G_MAXINT, NULL));
+ gst_caps_free (intersection);
+ intersection = gst_caps_intersect (*caps, try);
+ if (!gst_caps_is_empty (intersection)) {
+ gst_caps_free (*caps);
+ *caps = intersection;
+ ret = TRUE;
+ } else {
+ gst_caps_free (intersection);
+ }
+ }
+ for (i = 0; i < gst_caps_get_size (*caps); i++) {
+ GstStructure *structure = gst_caps_get_structure (*caps, i);
+
+ if (gst_structure_has_field (structure, field))
+ ret |=
+ gst_caps_structure_fixate_field_nearest_int (structure, field, value);
+ }
+ return ret;
+}
+
+static GstCaps *
+gst_audio_convert_fixate (GstPad * pad, const GstCaps * caps)
+{
+ GstAudioConvert *this =
+ GST_AUDIO_CONVERT (gst_object_get_parent (GST_OBJECT (pad)));
+ GstPad *otherpad = (pad == this->sink ? this->src : this->sink);
+ GstAudioConvertCaps ac_caps =
+ (pad == this->sink ? this->srccaps : this->sinkcaps);
+ GstCaps *copy;
+
+ /* only fixate when we're proxying, so we don't fixate to some crap the other side doesn't want */
+ if (!GST_PAD_IS_NEGOTIATING (otherpad))
+ return NULL;
+
+ copy = gst_caps_copy (caps);
+ if (_fixate_caps_to_int (©, "channels", ac_caps.channels))
+ return copy;
+ if (_fixate_caps_to_int (©, "width", ac_caps.is_int ? ac_caps.width : 16))
+ return copy;
+ if (_fixate_caps_to_int (©, "depth", ac_caps.is_int ? ac_caps.depth : 16))
+ return copy;
+
+ gst_caps_free (copy);
+ return NULL;
+}
+
static GstElementStateReturn
gst_audio_convert_change_state (GstElement * element)
{
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