gst/rtsp/: Factor out extension in separate module.

Original commit message from CVS:
* gst/rtsp/Makefile.am:
* gst/rtsp/gstrtpdec.c: (gst_rtpdec_getcaps),
(gst_rtpdec_chain_rtp), (gst_rtpdec_chain_rtcp):
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_init),
(gst_rtspsrc_finalize), (gst_rtspsrc_create_stream),
(gst_rtspsrc_parse_rtpmap),
(gst_rtspsrc_stream_configure_transport), (gst_rtspsrc_send),
(gst_rtspsrc_parse_methods), (gst_rtspsrc_open),
(gst_rtspsrc_play), (gst_rtspsrc_handle_message):
* gst/rtsp/gstrtspsrc.h:
* gst/rtsp/rtspdefs.c: (rtsp_strresult):
* gst/rtsp/rtspdefs.h:
* gst/rtsp/rtspext.h:
* gst/rtsp/rtspextwms.c: (rtsp_ext_wms_parse_sdp),
(rtsp_ext_wms_get_context):
* gst/rtsp/rtspextwms.h:
* gst/rtsp/rtsptransport.c: (rtsp_transport_init), (parse_mode),
(rtsp_transport_parse):
* gst/rtsp/rtsptransport.h:
Factor out extension in separate module.
Fix getcaps to filter against the padtemplate.
Use Content-Base if the server gives one.
Rework the transport parsing a bit for future extensions.
Added some Real Header field definitions.

1 files changed, 104 insertions, 0 deletions

diff --git a/gst/rtsp/rtspextwms.c b/gst/rtsp/rtspextwms.c
new file mode 100644
index 00000000..3769fcdb
--- /dev/null
+++ b/gst/rtsp/rtspextwms.c
@@ -0,0 +1,104 @@
+/* GStreamer
+ * Copyright (C) <2006> Wim Taymans <wim@fluendo.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+/*
+ * Unless otherwise indicated, Source Code is licensed under MIT license.
+ * See further explanation attached in License Statement (distributed in the file
+ * LICENSE).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+ * of the Software, and to permit persons to whom the Software is furnished to do
+ * so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <string.h>
+
+#include "gstrtspsrc.h"
+#include "rtspextwms.h"
+
+typedef struct _RTSPExtWMSCtx RTSPExtWMSCtx;
+
+struct _RTSPExtWMSCtx
+{
+  RTSPExtensionCtx ctx;
+};
+
+#define HEADER_PREFIX "data:application/vnd.ms.wms-hdr.asfv1;base64,"
+
+static RTSPResult
+rtsp_ext_wms_parse_sdp (RTSPExtensionCtx * ctx, SDPMessage * sdp)
+{
+  GstRTSPSrc *src = (GstRTSPSrc *) ctx->src;
+  gchar *config, *maxps;
+  gint i;
+
+  for (i = 0; (config = sdp_message_get_attribute_val_n (sdp, "pgmpu", i)); i++) {
+    if (g_str_has_prefix (config, HEADER_PREFIX)) {
+      config += strlen (HEADER_PREFIX);
+      gst_structure_set (src->props, "config", G_TYPE_STRING, config, NULL);
+      break;
+    }
+  }
+  if (config == NULL)
+    goto no_config;
+
+  gst_structure_set (src->props, "config", G_TYPE_STRING, config, NULL);
+
+  maxps = sdp_message_get_attribute_val (sdp, "maxps");
+  if (maxps)
+    gst_structure_set (src->props, "maxps", G_TYPE_STRING, maxps, NULL);
+
+  gst_structure_set (src->props, "encoding-name", G_TYPE_STRING, "x-asf-pf",
+      NULL);
+  gst_structure_set (src->props, "media", G_TYPE_STRING, "application", NULL);
+
+  return RTSP_OK;
+
+  /* ERRORS */
+no_config:
+  {
+    GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL),
+        ("Could not find config SDP field."));
+    return RTSP_ENOTIMPL;
+  }
+}
+
+RTSPExtensionCtx *
+rtsp_ext_wms_get_context (void)
+{
+  RTSPExtWMSCtx *res;
+
+  res = g_new0 (RTSPExtWMSCtx, 1);
+  res->ctx.parse_sdp = rtsp_ext_wms_parse_sdp;
+
+  return (RTSPExtensionCtx *) res;
+}