mssdemux: port to adaptivedemux base class

ext/smoothstreaming/Makefile.am

@@ -7,6 +7,7 @@ libgstsmoothstreaming_la_CFLAGS = $(GST_PLUGINS_BAD_CFLAGS) \
 libgstsmoothstreaming_la_LIBADD = \
     $(top_builddir)/gst-libs/gst/codecparsers/libgstcodecparsers-$(GST_API_VERSION).la \
     $(top_builddir)/gst-libs/gst/uridownloader/libgsturidownloader-$(GST_API_VERSION).la \
+    $(top_builddir)/gst-libs/gst/adaptivedemux/libgstadaptivedemux-@GST_API_VERSION@.la \
     $(GST_PLUGINS_BASE_LIBS) \
     -lgsttag-$(GST_API_VERSION) \
     $(GST_BASE_LIBS) $(GST_LIBS) $(ZLIB_LIBS) $(LIBXML2_LIBS)

ext/smoothstreaming/gstmssdemux.h

@@ -24,6 +24,7 @@
 #define __GST_MSSDEMUX_H__
 
 #include <gst/gst.h>
+#include <gst/adaptivedemux/gstadaptivedemux.h>
 #include <gst/base/gstadapter.h>
 #include <gst/base/gstdataqueue.h>
 #include "gstmssmanifest.h"
@@ -52,63 +53,20 @@ typedef struct _GstMssDemux GstMssDemux;
 typedef struct _GstMssDemuxClass GstMssDemuxClass;
 
 struct _GstMssDemuxStream {
-  GstPad *pad;
-
-  GstCaps *caps;
-
-  GstMssDemux *parent;
+  GstAdaptiveDemuxStream parent;
 
   GstMssStream *manifest_stream;
-
-#if 0
-  GstUriDownloader *downloader;
-#endif
-
-  GstEvent *pending_segment;
-
-  GstSegment segment;
-
-  /* Downloading task */
-  GstTask *download_task;
-  GRecMutex download_lock;
-
-  GstFlowReturn last_ret;
-  gboolean eos;
-  gboolean have_data;
-  gboolean cancelled;
-  gboolean restart_download;
-
-  guint download_error_count;
-
-  /* download tooling */
-  GstElement *src;
-  GstPad *src_srcpad;
-  GMutex fragment_download_lock;
-  GCond fragment_download_cond;
-  gboolean download_finished;
-  gboolean starting_fragment;
-  gint64 download_start_time;
-  gint64 download_total_time;
-  gint64 download_total_bytes;
-  gint current_download_rate;
 };
 
 struct _GstMssDemux {
-  GstBin bin;
+  GstAdaptiveDemux bin;
 
   /* pads */
   GstPad *sinkpad;
 
-  gboolean have_group_id;
-  guint group_id;
-
-  GstBuffer *manifest_buffer;
-
   GstMssManifest *manifest;
   gchar *base_url;
-  gchar *manifest_uri;
 
-  GSList *streams;
   guint n_videos;
   guint n_audios;
 
@@ -121,7 +79,7 @@ struct _GstMssDemux {
 };
 
 struct _GstMssDemuxClass {
-  GstBinClass parent_class;
+  GstAdaptiveDemuxClass parent_class;
 };
 
 GType gst_mss_demux_get_type (void);

ext/smoothstreaming/gstmssmanifest.c

@@ -878,6 +878,20 @@ gst_mss_stream_advance_fragment (GstMssStream * stream)
   return GST_FLOW_OK;
 }
 
+GstFlowReturn
+gst_mss_stream_regress_fragment (GstMssStream * stream)
+{
+  g_return_val_if_fail (stream->active, GST_FLOW_ERROR);
+
+  if (stream->current_fragment == NULL)
+    return GST_FLOW_EOS;
+
+  stream->current_fragment = g_list_previous (stream->current_fragment);
+  if (stream->current_fragment == NULL)
+    return GST_FLOW_EOS;
+  return GST_FLOW_OK;
+}
+
 const gchar *
 gst_mss_stream_type_name (GstMssStreamType streamtype)
 {

ext/smoothstreaming/gstmssmanifest.h

@@ -60,6 +60,7 @@ GstFlowReturn gst_mss_stream_get_fragment_url (GstMssStream * stream, gchar ** u
 GstClockTime gst_mss_stream_get_fragment_gst_timestamp (GstMssStream * stream);
 GstClockTime gst_mss_stream_get_fragment_gst_duration (GstMssStream * stream);
 GstFlowReturn gst_mss_stream_advance_fragment (GstMssStream * stream);
+GstFlowReturn gst_mss_stream_regress_fragment (GstMssStream * stream);
 void gst_mss_stream_seek (GstMssStream * stream, guint64 time);
 const gchar * gst_mss_stream_get_lang (GstMssStream * stream);