From 27d6b256951ee4d0342715927ec896dc0510b797 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian.droege@collabora.co.uk>
Date: Tue, 14 Jul 2009 14:10:55 +0200
Subject: amrparse: Sync baseparse changes

---
 gst/amrparse/gstbaseparse.c | 89 ++++++++++++++++++++++++++++++---------------
 gst/amrparse/gstbaseparse.h |  3 ++
 2 files changed, 63 insertions(+), 29 deletions(-)

diff --git a/gst/amrparse/gstbaseparse.c b/gst/amrparse/gstbaseparse.c
index ad963785..870492a8 100644
--- a/gst/amrparse/gstbaseparse.c
+++ b/gst/amrparse/gstbaseparse.c
@@ -735,7 +735,6 @@ gst_base_parse_handle_and_push_buffer (GstBaseParse * parse,
     GstBaseParseClass * klass, GstBuffer * buffer)
 {
   GstFlowReturn ret;
-  GstClockTime last_stop = GST_CLOCK_TIME_NONE;
 
   if (parse->priv->discont) {
     GST_DEBUG_OBJECT (parse, "marking DISCONT");
@@ -749,6 +748,46 @@ gst_base_parse_handle_and_push_buffer (GstBaseParse * parse,
    *        keep track of timestamp and calculate everything possible
    *        if not set already */
 
+  /* First buffers are dropped, this means that the subclass needs more
+   * frames to decide on the format and queues them internally */
+  if (ret == GST_BASE_PARSE_FLOW_DROPPED && !GST_PAD_CAPS (parse->srcpad)) {
+    gst_buffer_unref (buffer);
+    return GST_FLOW_OK;
+  }
+
+  /* convert internal flow to OK and mark discont for the next buffer. */
+  if (ret == GST_BASE_PARSE_FLOW_DROPPED) {
+    parse->priv->discont = TRUE;
+    ret = GST_FLOW_OK;
+
+    gst_buffer_unref (buffer);
+
+    return ret;
+  } else if (ret != GST_FLOW_OK) {
+    return ret;
+  }
+
+  return gst_base_parse_push_buffer (parse, buffer);
+}
+
+/**
+ * gst_base_parse_push_buffer:
+ * @parse: #GstBaseParse.
+ * @buffer: #GstBuffer.
+ *
+ * Pushes the buffer downstream, sends any pending events and
+ * does some timestamp and segment handling.
+ *
+ * This must be called with srcpad STREAM_LOCK held.
+ *
+ * Returns: #GstFlowReturn
+ */
+GstFlowReturn
+gst_base_parse_push_buffer (GstBaseParse * parse, GstBuffer * buffer)
+{
+  GstFlowReturn ret = GST_FLOW_OK;
+  GstClockTime last_stop = GST_CLOCK_TIME_NONE;
+
   if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
     last_stop = GST_BUFFER_TIMESTAMP (buffer);
   if (last_stop != GST_CLOCK_TIME_NONE && GST_BUFFER_DURATION_IS_VALID (buffer))
@@ -792,39 +831,30 @@ gst_base_parse_handle_and_push_buffer (GstBaseParse * parse,
 
   /* TODO: Add to seek table */
 
-  if (ret == GST_FLOW_OK) {
-    if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) &&
-        GST_CLOCK_TIME_IS_VALID (parse->segment.stop) &&
-        GST_BUFFER_TIMESTAMP (buffer) > parse->segment.stop) {
-      GST_LOG_OBJECT (parse, "Dropped frame, after segment");
-      gst_buffer_unref (buffer);
-    } else if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) &&
-        GST_BUFFER_DURATION_IS_VALID (buffer) &&
-        GST_CLOCK_TIME_IS_VALID (parse->segment.start) &&
-        GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer)
-        < parse->segment.start) {
-      /* FIXME: subclass needs way to override the start as downstream might
-       * need frames before for proper decoding */
-      GST_LOG_OBJECT (parse, "Dropped frame, before segment");
-      gst_buffer_unref (buffer);
-    } else {
-      ret = gst_pad_push (parse->srcpad, buffer);
-      GST_LOG_OBJECT (parse, "frame (%d bytes) pushed: %d",
-          GST_BUFFER_SIZE (buffer), ret);
-    }
-  } else {
+  if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) &&
+      GST_CLOCK_TIME_IS_VALID (parse->segment.stop) &&
+      GST_BUFFER_TIMESTAMP (buffer) > parse->segment.stop) {
+    GST_LOG_OBJECT (parse, "Dropped frame, after segment");
     gst_buffer_unref (buffer);
+  } else if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer) &&
+      GST_BUFFER_DURATION_IS_VALID (buffer) &&
+      GST_CLOCK_TIME_IS_VALID (parse->segment.start) &&
+      GST_BUFFER_TIMESTAMP (buffer) + GST_BUFFER_DURATION (buffer)
+      < parse->segment.start) {
+    /* FIXME: subclass needs way to override the start as downstream might
+     * need frames before for proper decoding */
+    GST_LOG_OBJECT (parse, "Dropped frame, before segment");
+    gst_buffer_unref (buffer);
+  } else {
+    ret = gst_pad_push (parse->srcpad, buffer);
+    GST_LOG_OBJECT (parse, "frame (%d bytes) pushed: %d",
+        GST_BUFFER_SIZE (buffer), ret);
   }
 
   /* Update current running segment position */
   if (ret == GST_FLOW_OK && last_stop != GST_CLOCK_TIME_NONE)
     gst_segment_set_last_stop (&parse->segment, GST_FORMAT_TIME, last_stop);
 
-  /* convert internal flow to OK and mark discont for the next buffer. */
-  if (ret == GST_BASE_PARSE_FLOW_DROPPED) {
-    parse->priv->discont = TRUE;
-    ret = GST_FLOW_OK;
-  }
   return ret;
 }
 
@@ -1575,12 +1605,13 @@ gst_base_parse_handle_seek (GstBaseParse * parse, GstEvent * event)
    * it directly or fail. For TIME, try upstream, but do it ourselves if
    * it fails upstream */
   if (format != GST_FORMAT_TIME) {
-    gst_event_ref (event);
     return gst_pad_push_event (parse->sinkpad, event);
   } else {
     gst_event_ref (event);
-    if (gst_pad_push_event (parse->sinkpad, event))
+    if (gst_pad_push_event (parse->sinkpad, event)) {
+      gst_event_unref (event);
       return TRUE;
+    }
   }
 
   /* get flush flag */
diff --git a/gst/amrparse/gstbaseparse.h b/gst/amrparse/gstbaseparse.h
index a2856cc7..9d53f07b 100644
--- a/gst/amrparse/gstbaseparse.h
+++ b/gst/amrparse/gstbaseparse.h
@@ -225,6 +225,9 @@ struct _GstBaseParseClass {
 GType           gst_base_parse_get_type         (void);
 
 
+GstFlowReturn gst_base_parse_push_buffer (GstBaseParse *parse,
+                                          GstBuffer *buffer);
+
 void gst_base_parse_set_duration (GstBaseParse *parse,
                                   GstFormat fmt,
                                   gint64 duration);
-- 
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