multipart: port to 0.11

gst/multipart/multipartdemux.c

@@ -126,23 +126,8 @@ static void gst_multipart_get_property (GObject * object, guint prop_id,
 
 static void gst_multipart_demux_finalize (GObject * object);
 
-GST_BOILERPLATE (GstMultipartDemux, gst_multipart_demux, GstElement,
+#define gst_multipart_demux_parent_class parent_class
-    GST_TYPE_ELEMENT);
+G_DEFINE_TYPE (GstMultipartDemux, gst_multipart_demux, GST_TYPE_ELEMENT);
-
-static void
-gst_multipart_demux_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&multipart_demux_sink_template_factory));
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&multipart_demux_src_template_factory));
-  gst_element_class_set_details_simple (element_class, "Multipart demuxer",
-      "Codec/Demuxer",
-      "demux multipart streams",
-      "Wim Taymans <wim.taymans@gmail.com>, Sjoerd Simons <sjoerd@luon.net>");
-}
 
 static void
 gst_multipart_demux_class_init (GstMultipartDemuxClass * klass)
@@ -189,11 +174,19 @@ gst_multipart_demux_class_init (GstMultipartDemuxClass * klass)
   }
 
   gstelement_class->change_state = gst_multipart_demux_change_state;
+
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&multipart_demux_sink_template_factory));
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&multipart_demux_src_template_factory));
+  gst_element_class_set_details_simple (gstelement_class, "Multipart demuxer",
+      "Codec/Demuxer",
+      "demux multipart streams",
+      "Wim Taymans <wim.taymans@gmail.com>, Sjoerd Simons <sjoerd@luon.net>");
 }
 
 static void
-gst_multipart_demux_init (GstMultipartDemux * multipart,
+gst_multipart_demux_init (GstMultipartDemux * multipart)
-    GstMultipartDemuxClass * g_class)
 {
   /* create the sink pad */
   multipart->sinkpad =
@@ -392,7 +385,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
   guint8 *end, *next;
 
   datalen = gst_adapter_available (multipart->adapter);
-  data = gst_adapter_peek (multipart->adapter, datalen);
+  data = gst_adapter_map (multipart->adapter, datalen);
   dataend = data + datalen;
 
   /* Skip leading whitespace, pos endposition should at least leave space for
@@ -400,9 +393,8 @@ multipart_parse_header (GstMultipartDemux * multipart)
   for (pos = (guint8 *) data; pos < dataend - 4 && g_ascii_isspace (*pos);
       pos++);
 
-  if (pos >= dataend - 4) {
+  if (pos >= dataend - 4)
-    return MULTIPART_NEED_MORE_DATA;
+    goto need_more_data;
-  }
 
   if (G_UNLIKELY (pos[0] != '-' || pos[1] != '-')) {
     GST_DEBUG_OBJECT (multipart, "No boundary available");
@@ -411,7 +403,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
 
   /* First the boundary */
   if (!get_line_end (pos, dataend, &end, &next))
-    return MULTIPART_NEED_MORE_DATA;
+    goto need_more_data;
 
   /* Ignore the leading -- */
   boundary_len = end - pos - 2;
@@ -430,9 +422,9 @@ multipart_parse_header (GstMultipartDemux * multipart)
      * invalid */
     if (G_UNLIKELY (boundary_len == multipart->boundary_len + 2 &&
             !strncmp (boundary, multipart->boundary, multipart->boundary_len) &&
-            !strncmp (boundary + multipart->boundary_len, "--", 2))) {
+            !strncmp (boundary + multipart->boundary_len, "--", 2)))
-      return MULTIPART_DATA_EOS;
+      goto eos;
-    }
+
     GST_DEBUG_OBJECT (multipart,
         "Boundary length doesn't match detected boundary (%d <> %d",
         boundary_len, multipart->boundary_len);
@@ -442,7 +434,6 @@ multipart_parse_header (GstMultipartDemux * multipart)
     goto wrong_header;
   }
 
-
   pos = next;
   while (get_line_end (pos, dataend, &end, &next)) {
     guint len = end - pos;
@@ -452,6 +443,7 @@ multipart_parse_header (GstMultipartDemux * multipart)
       GST_DEBUG_OBJECT (multipart,
           "Parsed the header - boundary: %s, mime-type: %s, content-length: %d",
           multipart->boundary, multipart->mime_type, multipart->content_length);
+      gst_adapter_unmap (multipart->adapter, 0);
       return next - data;
     }
 
@@ -471,15 +463,26 @@ multipart_parse_header (GstMultipartDemux * multipart)
     }
     pos = next;
   }
+
+need_more_data:
   GST_DEBUG_OBJECT (multipart, "Need more data for the header");
+  gst_adapter_unmap (multipart->adapter, 0);
+
   return MULTIPART_NEED_MORE_DATA;
 
 wrong_header:
   {
     GST_ELEMENT_ERROR (multipart, STREAM, DEMUX, (NULL),
         ("Boundary not found in the multipart header"));
+    gst_adapter_unmap (multipart->adapter, 0);
     return MULTIPART_DATA_ERROR;
   }
+eos:
+  {
+    GST_DEBUG_OBJECT (multipart, "we are EOS");
+    gst_adapter_unmap (multipart->adapter, 0);
+    return MULTIPART_DATA_EOS;
+  }
 }
 
 static gint
@@ -495,13 +498,15 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
     len = multipart->content_length;
     if (gst_adapter_available (multipart->adapter) >= len + 2) {
       *datalen = len;
-      data = gst_adapter_peek (multipart->adapter, len + 1);
+      data = gst_adapter_map (multipart->adapter, len + 1);
 
       /* If data[len] contains \r then assume a newline is \r\n */
       if (data[len] == '\r')
         len += 2;
       else if (data[len] == '\n')
         len += 1;
+
+      gst_adapter_unmap (multipart->adapter, 0);
       /* Don't check if boundary is actually there, but let the header parsing
        * bail out if it isn't */
       return len;
@@ -514,7 +519,7 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
   len = gst_adapter_available (multipart->adapter);
   if (len == 0)
     return MULTIPART_NEED_MORE_DATA;
-  data = gst_adapter_peek (multipart->adapter, len);
+  data = gst_adapter_map (multipart->adapter, len);
   dataend = data + len;
 
   for (pos = data + multipart->scanpos;
@@ -530,10 +535,12 @@ multipart_find_boundary (GstMultipartDemux * multipart, gint * datalen)
         len -= 1;
       *datalen = len;
 
+      gst_adapter_unmap (multipart->adapter, 0);
       multipart->scanpos = 0;
       return pos - data;
     }
   }
+  gst_adapter_unmap (multipart->adapter, 0);
   multipart->scanpos = pos - data;
   return MULTIPART_NEED_MORE_DATA;
 }
@@ -591,13 +598,14 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
       outbuf = gst_adapter_take_buffer (adapter, datalen);
       gst_adapter_flush (adapter, size - datalen);
 
-      gst_buffer_set_caps (outbuf, GST_PAD_CAPS (srcpad->pad));
       if (created) {
         GstTagList *tags;
+        GstSegment segment;
+
+        gst_segment_init (&segment, GST_FORMAT_TIME);
 
         /* Push new segment, first buffer has 0 timestamp */
-        gst_pad_push_event (srcpad->pad,
+        gst_pad_push_event (srcpad->pad, gst_event_new_segment (&segment));
-            gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0));
 
         tags =
             gst_tag_list_new_full (GST_TAG_CONTAINER_FORMAT, "Multipart", NULL);
@@ -610,8 +618,6 @@ gst_multipart_demux_chain (GstPad * pad, GstBuffer * buf)
       GST_DEBUG_OBJECT (multipart,
           "pushing buffer with timestamp %" GST_TIME_FORMAT,
           GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
-      GST_DEBUG_OBJECT (multipart, "buffer has caps %" GST_PTR_FORMAT,
-          GST_BUFFER_CAPS (outbuf));
       res = gst_pad_push (srcpad->pad, outbuf);
       res = gst_multipart_combine_flows (multipart, srcpad, res);
       if (res != GST_FLOW_OK)

gst/multipart/multipartmux.c

@@ -75,16 +75,12 @@ static const MimeTypeMap mimetypes[] = {
   {NULL, NULL}
 };
 
-static void gst_multipart_mux_base_init (gpointer g_class);
-static void gst_multipart_mux_class_init (GstMultipartMuxClass * klass);
-static void gst_multipart_mux_init (GstMultipartMux * multipart_mux);
-
 static void gst_multipart_mux_finalize (GObject * object);
 
 static gboolean gst_multipart_mux_handle_src_event (GstPad * pad,
     GstEvent * event);
 static GstPad *gst_multipart_mux_request_new_pad (GstElement * element,
-    GstPadTemplate * templ, const gchar * name);
+    GstPadTemplate * templ, const gchar * name, const GstCaps * caps);
 static GstStateChangeReturn gst_multipart_mux_change_state (GstElement *
     element, GstStateChange transition);
 
@@ -96,46 +92,8 @@ static void gst_multipart_mux_set_property (GObject * object, guint prop_id,
 static void gst_multipart_mux_get_property (GObject * object, guint prop_id,
     GValue * value, GParamSpec * pspec);
 
-static GstElementClass *parent_class = NULL;
+#define gst_multipart_mux_parent_class parent_class
-
+G_DEFINE_TYPE (GstMultipartMux, gst_multipart_mux, GST_TYPE_ELEMENT);
-GType
-gst_multipart_mux_get_type (void)
-{
-  static GType multipart_mux_type = 0;
-
-  if (!multipart_mux_type) {
-    static const GTypeInfo multipart_mux_info = {
-      sizeof (GstMultipartMuxClass),
-      gst_multipart_mux_base_init,
-      NULL,
-      (GClassInitFunc) gst_multipart_mux_class_init,
-      NULL,
-      NULL,
-      sizeof (GstMultipartMux),
-      0,
-      (GInstanceInitFunc) gst_multipart_mux_init,
-    };
-
-    multipart_mux_type =
-        g_type_register_static (GST_TYPE_ELEMENT, "GstMultipartMux",
-        &multipart_mux_info, 0);
-  }
-  return multipart_mux_type;
-}
-
-static void
-gst_multipart_mux_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&src_factory));
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&sink_factory));
-
-  gst_element_class_set_details_simple (element_class, "Multipart muxer",
-      "Codec/Muxer", "mux multipart streams", "Wim Taymans <wim@fluendo.com>");
-}
 
 static void
 gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
@@ -160,6 +118,14 @@ gst_multipart_mux_class_init (GstMultipartMuxClass * klass)
   gstelement_class->request_new_pad = gst_multipart_mux_request_new_pad;
   gstelement_class->change_state = gst_multipart_mux_change_state;
 
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&src_factory));
+  gst_element_class_add_pad_template (gstelement_class,
+      gst_static_pad_template_get (&sink_factory));
+
+  gst_element_class_set_details_simple (gstelement_class, "Multipart muxer",
+      "Codec/Muxer", "mux multipart streams", "Wim Taymans <wim@fluendo.com>");
+
   /* populate mime types */
   klass->mimetypes = g_hash_table_new (g_str_hash, g_str_equal);
   for (i = 0; mimetypes[i].key; i++) {
@@ -205,7 +171,7 @@ gst_multipart_mux_finalize (GObject * object)
 
 static GstPad *
 gst_multipart_mux_request_new_pad (GstElement * element,
-    GstPadTemplate * templ, const gchar * req_name)
+    GstPadTemplate * templ, const gchar * req_name, const GstCaps * caps)
 {
   GstMultipartMux *multipart_mux;
   GstPad *newpad;
@@ -232,6 +198,7 @@ gst_multipart_mux_request_new_pad (GstElement * element,
         sizeof (GstMultipartPadData));
 
     /* save a pointer to our data in the pad */
+    multipartpad->pad = newpad;
     gst_pad_set_element_private (newpad, multipartpad);
     multipart_mux->numpads++;
   }
@@ -430,6 +397,7 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
   GstBuffer *footerbuf = NULL;
   GstBuffer *databuf = NULL;
   GstStructure *structure = NULL;
+  GstCaps *caps;
   const gchar *mime;
 
   GST_DEBUG_OBJECT (mux, "all pads are collected");
@@ -460,8 +428,8 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
 
   /* see if we need to push a segment */
   if (mux->need_segment) {
-    GstEvent *event;
     GstClockTime time;
+    GstSegment segment;
 
     if (best->timestamp != -1)
       time = best->timestamp;
@@ -470,32 +438,35 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
 
     /* for the segment, we take the first timestamp we see, we don't know the
      * length and the position is 0 */
-    event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME,
+    gst_segment_init (&segment, GST_FORMAT_TIME);
-        time, -1, 0);
+    segment.start = time;
 
-    gst_pad_push_event (mux->srcpad, event);
+    gst_pad_push_event (mux->srcpad, gst_event_new_segment (&segment));
 
     mux->need_segment = FALSE;
   }
 
-  structure = gst_caps_get_structure (GST_BUFFER_CAPS (best->buffer), 0);
+  caps = gst_pad_get_current_caps (best->pad);
-  if (!structure)
+  if (caps == NULL)
     goto no_caps;
 
+  structure = gst_caps_get_structure (caps, 0);
+  if (!structure) {
+    gst_caps_unref (caps);
+    goto no_caps;
+  }
+
   /* get the mime type for the structure */
   mime = gst_multipart_mux_get_mime (mux, structure);
+  gst_caps_unref (caps);
 
   header = g_strdup_printf ("--%s\r\nContent-Type: %s\r\n"
-      "Content-Length: %u\r\n\r\n",
+      "Content-Length: %" G_GSIZE_FORMAT "\r\n\r\n",
-      mux->boundary, mime, GST_BUFFER_SIZE (best->buffer));
+      mux->boundary, mime, gst_buffer_get_size (best->buffer));
   headerlen = strlen (header);
 
-  ret = gst_pad_alloc_buffer_and_set_caps (mux->srcpad, GST_BUFFER_OFFSET_NONE,
+  headerbuf = gst_buffer_new_allocate (NULL, headerlen, 1);
-      headerlen, GST_PAD_CAPS (mux->srcpad), &headerbuf);
+  gst_buffer_fill (headerbuf, 0, header, headerlen);
-  if (ret != GST_FLOW_OK)
-    goto alloc_failed;
-
-  memcpy (GST_BUFFER_DATA (headerbuf), header, headerlen);
   g_free (header);
 
   /* the header has the same timestamp as the data buffer (which we will push
@@ -516,31 +487,26 @@ gst_multipart_mux_collected (GstCollectPads * pads, GstMultipartMux * mux)
 
   /* take best->buffer, we don't need to unref it later as we will push it
    * now. */
-  databuf = gst_buffer_make_metadata_writable (best->buffer);
+  databuf = gst_buffer_make_writable (best->buffer);
   best->buffer = NULL;
 
-  gst_buffer_set_caps (databuf, GST_PAD_CAPS (mux->srcpad));
   /* we need to updated the timestamp to match the running_time */
   GST_BUFFER_TIMESTAMP (databuf) = best->timestamp;
   GST_BUFFER_OFFSET (databuf) = mux->offset;
-  mux->offset += GST_BUFFER_SIZE (databuf);
+  mux->offset += gst_buffer_get_size (databuf);
   GST_BUFFER_OFFSET_END (databuf) = mux->offset;
   GST_BUFFER_FLAG_SET (databuf, GST_BUFFER_FLAG_DELTA_UNIT);
 
-  GST_DEBUG_OBJECT (mux, "pushing %u bytes data buffer",
+  GST_DEBUG_OBJECT (mux, "pushing %" G_GSIZE_FORMAT " bytes data buffer",
-      GST_BUFFER_SIZE (databuf));
+      gst_buffer_get_size (databuf));
   ret = gst_pad_push (mux->srcpad, databuf);
   if (ret != GST_FLOW_OK)
     /* push always takes ownership of the buffer, even after an error, so we
      * don't need to unref headerbuf here. */
     goto beach;
 
-  ret = gst_pad_alloc_buffer_and_set_caps (mux->srcpad, GST_BUFFER_OFFSET_NONE,
+  footerbuf = gst_buffer_new_allocate (NULL, 2, 1);
-      2, GST_PAD_CAPS (mux->srcpad), &footerbuf);
+  gst_buffer_fill (footerbuf, 0, "\r\n", 2);
-  if (ret != GST_FLOW_OK)
-    goto alloc_failed;
-
-  memcpy (GST_BUFFER_DATA (footerbuf), "\r\n", 2);
 
   /* the footer has the same timestamp as the data buffer and has a
    * duration of 0 */
@@ -590,13 +556,6 @@ no_caps:
     ret = GST_FLOW_NOT_NEGOTIATED;
     goto beach;
   }
-alloc_failed:
-  {
-    GST_WARNING_OBJECT (mux,
-        "failed allocating a %" G_GSIZE_FORMAT " bytes buffer", headerlen);
-    g_free (header);
-    goto beach;
-  }
 }
 
 static void

gst/multipart/multipartmux.h

@@ -47,6 +47,7 @@ typedef struct
   GstBuffer *buffer;            /* the queued buffer for this pad */
   GstClockTime timestamp;       /* its timestamp, converted to running_time so that we can
                                    correctly sort over multiple segments. */
+  GstPad *pad;
 }
 GstMultipartPadData;