Convert elements to use gst_pad_use_explicit_caps() where appropriate.

Original commit message from CVS:
Convert elements to use gst_pad_use_explicit_caps() where appropriate.

6 files changed, 19 insertions, 9 deletions

diff --git a/ext/esd/esdmon.c b/ext/esd/esdmon.c
index e2a91ed4..394220e4 100644
--- a/ext/esd/esdmon.c
+++ b/ext/esd/esdmon.c
@@ -200,6 +200,7 @@ gst_esdmon_init(GTypeInstance *instance, gpointer g_class)
       gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (esdmon), "src"),
       "src");
   gst_pad_set_get_function(esdmon->srcpad, gst_esdmon_get);
+  gst_pad_use_explicit_caps (esdmon->srcpad);
   gst_element_add_pad(GST_ELEMENT(esdmon), esdmon->srcpad);
 
   esdmon->fd = -1;
@@ -256,8 +257,7 @@ gst_esdmon_get (GstPad *pad)
   if (!GST_PAD_CAPS (pad)) {
     gint sign = (esdmon->depth == 8 ? FALSE : TRUE);
     /* set caps on src pad */
-    /* FIXME: do this dynamically */
-    if (gst_pad_try_set_caps (esdmon->srcpad,
+    if (gst_pad_set_explicit_caps (esdmon->srcpad,
 	gst_caps_new_simple ("audio/x-raw-int",
 	  "endianness", G_TYPE_INT,	G_BYTE_ORDER,
           "signed",     G_TYPE_BOOLEAN, sign,
diff --git a/ext/flac/gstflacdec.c b/ext/flac/gstflacdec.c
index 62b39bbc..5b893d66 100644
--- a/ext/flac/gstflacdec.c
+++ b/ext/flac/gstflacdec.c
@@ -190,6 +190,7 @@ gst_flacdec_init (FlacDec *flacdec)
   gst_pad_set_query_function (flacdec->srcpad, gst_flacdec_src_query);
   gst_pad_set_event_mask_function (flacdec->srcpad, gst_flacdec_get_src_event_masks);
   gst_pad_set_event_function (flacdec->srcpad, gst_flacdec_src_event);
+  gst_pad_use_explicit_caps (flacdec->srcpad);
 
   flacdec->decoder = FLAC__seekable_stream_decoder_new ();
   flacdec->total_samples = 0;
@@ -473,7 +474,7 @@ gst_flacdec_write (const FLAC__SeekableStreamDecoder *decoder,
   }
   
   if (!GST_PAD_CAPS (flacdec->srcpad)) {
-    gst_pad_try_set_caps (flacdec->srcpad,
+    gst_pad_set_explicit_caps (flacdec->srcpad,
         gst_caps_new_simple ("audio/x-raw-int",
           "endianness",  G_TYPE_INT, G_BYTE_ORDER,
           "signed",      G_TYPE_BOOLEAN, TRUE,
diff --git a/ext/gdk_pixbuf/gstgdkpixbuf.c b/ext/gdk_pixbuf/gstgdkpixbuf.c
index 1034de65..f85a7bf9 100644
--- a/ext/gdk_pixbuf/gstgdkpixbuf.c
+++ b/ext/gdk_pixbuf/gstgdkpixbuf.c
@@ -228,6 +228,7 @@ gst_gdk_pixbuf_init (GstGdkPixbuf *filter)
   gst_pad_set_getcaps_function (filter->sinkpad, gst_gdk_pixbuf_sink_getcaps);
   filter->srcpad = gst_pad_new_from_template (
       gst_static_pad_template_get( &gst_gdk_pixbuf_src_template), "src");
+  gst_pad_use_explicit_caps (filter->srcpad);
 
   gst_element_add_pad (GST_ELEMENT (filter), filter->sinkpad);
   gst_element_add_pad (GST_ELEMENT (filter), filter->srcpad);
@@ -278,7 +279,7 @@ gst_gdk_pixbuf_chain (GstPad *pad, GstData *_data)
         "height", G_TYPE_INT, filter->height,
         "framerate", G_TYPE_DOUBLE, 0., NULL);
 
-    gst_pad_try_set_caps(filter->srcpad, caps);
+    gst_pad_set_explicit_caps (filter->srcpad, caps);
   }
 
   outbuf = gst_buffer_new();
diff --git a/ext/jpeg/gstjpegdec.c b/ext/jpeg/gstjpegdec.c
index 9c9af750..1598f008 100644
--- a/ext/jpeg/gstjpegdec.c
+++ b/ext/jpeg/gstjpegdec.c
@@ -167,6 +167,7 @@ gst_jpegdec_init (GstJpegDec *jpegdec)
   gst_pad_set_chain_function(jpegdec->sinkpad,gst_jpegdec_chain);
   gst_pad_set_link_function(jpegdec->sinkpad, gst_jpegdec_link);
   jpegdec->srcpad = gst_pad_new_from_template (jpegdec_src_template, "src");
+  gst_pad_use_explicit_caps (jpegdec->srcpad);
   gst_element_add_pad(GST_ELEMENT(jpegdec),jpegdec->srcpad);
 
   /* initialize the jpegdec decoder state */
@@ -201,6 +202,7 @@ gst_jpegdec_link (GstPad *pad, const GstCaps *caps)
 {
   GstJpegDec *jpegdec = GST_JPEGDEC (gst_pad_get_parent (pad));
   GstStructure *structure;
+  GstCaps *srccaps;
 
   structure = gst_caps_get_structure (caps, 0);
 
@@ -208,14 +210,18 @@ gst_jpegdec_link (GstPad *pad, const GstCaps *caps)
   gst_structure_get_int (structure, "width",     &jpegdec->width);
   gst_structure_get_int (structure, "height",    &jpegdec->height);
 
-  caps = gst_caps_new_simple ("video/x-raw-yuv",
+  srccaps = gst_caps_new_simple ("video/x-raw-yuv",
       "format",    GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I','4','2','0'),
       "width",     G_TYPE_INT, jpegdec->width,
       "height",    G_TYPE_INT, jpegdec->height,
       "framerate", G_TYPE_DOUBLE, jpegdec->fps,
       NULL);
 
-  return gst_pad_try_set_caps (jpegdec->srcpad, caps);
+  /* at this point, we're pretty sure that this will be the output
+   * format, so we'll set it. */
+  gst_pad_set_explicit_caps (jpegdec->srcpad, srccaps);
+
+  return GST_PAD_LINK_OK;
 }
 
 /* shamelessly ripped from jpegutils.c in mjpegtools */
@@ -404,7 +410,7 @@ gst_jpegdec_chain (GstPad *pad, GstData *_data)
     jpegdec->line[2] = g_realloc(jpegdec->line[2], height*sizeof(char*));
     jpegdec->height = height;
 
-    gst_pad_try_set_caps (jpegdec->srcpad,
+    gst_pad_set_explicit_caps (jpegdec->srcpad,
         gst_caps_new_simple ("video/x-raw-yuv",
           "format",    GST_TYPE_FOURCC, GST_MAKE_FOURCC ('I','4','2','0'),
           "width",     G_TYPE_INT, width,
diff --git a/ext/mikmod/gstmikmod.c b/ext/mikmod/gstmikmod.c
index d624f49e..7720fbee 100644
--- a/ext/mikmod/gstmikmod.c
+++ b/ext/mikmod/gstmikmod.c
@@ -188,6 +188,7 @@ gst_mikmod_init (GstMikMod *filter)
       gst_static_pad_template_get (&mikmod_sink_factory),"sink");
   filter->srcpad = gst_pad_new_from_template(
     gst_static_pad_template_get (&mikmod_src_factory),"src");
+  gst_pad_use_explicit_caps (filter->srcpad);
 
   gst_element_add_pad(GST_ELEMENT(filter),filter->sinkpad);
   gst_element_add_pad(GST_ELEMENT(filter),filter->srcpad);
@@ -226,7 +227,7 @@ gst_mikmod_negotiate (GstMikMod *mikmod)
     sign = FALSE;
   }
 
-  return gst_pad_try_set_caps (mikmod->srcpad,
+  return gst_pad_set_explicit_caps (mikmod->srcpad,
       gst_caps_new_simple ( "audio/x-raw-int",
 	"endianness",  G_TYPE_INT, G_BYTE_ORDER,
 	"signed",      G_TYPE_BOOLEAN, sign,
diff --git a/ext/speex/gstspeexdec.c b/ext/speex/gstspeexdec.c
index 5e249a73..a5ab788e 100644
--- a/ext/speex/gstspeexdec.c
+++ b/ext/speex/gstspeexdec.c
@@ -138,6 +138,7 @@ gst_speexdec_init (GstSpeexDec *speexdec)
   gst_pad_set_link_function (speexdec->sinkpad, gst_speexdec_sinkconnect);
 
   speexdec->srcpad = gst_pad_new_from_template (speexdec_src_template, "src");
+  gst_pad_use_explicit_caps (speexdec->srcpad);
   gst_element_add_pad (GST_ELEMENT (speexdec), speexdec->srcpad);
 
 }
@@ -154,7 +155,7 @@ gst_speexdec_sinkconnect (GstPad *pad, const GstCaps *caps)
   structure = gst_caps_get_structure (caps, 0);
   gst_structure_get_int  (structure, "rate", &rate);
 
-  if (gst_pad_try_set_caps (speexdec->srcpad, 
+  if (gst_pad_set_explicit_caps (speexdec->srcpad, 
         gst_caps_new_simple ("audio/x-raw-int",
           "endianness", G_TYPE_INT, G_BYTE_ORDER,
           "signed",     G_TYPE_BOOLEAN, TRUE,