From: Olivier Crête <olivier.crete@collabora.com>
Date: Fri, 6 Dec 2013 22:10:39 +0000 (-0500)
Subject: jp2kdecimator: Port to GStreamer 1.0 API
X-Git-Tag: 1.19.3~507^2~12893
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=06ed17674eca3d3d7f3de81f9e9cb1dc59e0dc3b;p=platform%2Fupstream%2Fgstreamer.git

jp2kdecimator: Port to GStreamer 1.0 API
---

diff --git a/configure.ac b/configure.ac
index 1da689f..8979cc9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -338,7 +338,7 @@ dnl Non ported plugins (non-dependant, then dependant)
 dnl Make sure you have a space before and after all plugins
 GST_PLUGINS_NONPORTED=" cdxaparse \
  dccp faceoverlay \
- hdvparse ivfparse jp2kdecimator \
+ hdvparse ivfparse \
  mve mythtv nuvdemux \
  patchdetect real \
  sdi stereo tta \
diff --git a/gst/jp2kdecimator/gstjp2kdecimator.c b/gst/jp2kdecimator/gstjp2kdecimator.c
index 27bd990..dfce75a 100644
--- a/gst/jp2kdecimator/gstjp2kdecimator.c
+++ b/gst/jp2kdecimator/gstjp2kdecimator.c
@@ -45,7 +45,6 @@
 #include "jp2kcodestream.h"
 
 #include <gst/base/gstbytereader.h>
-#include <gst/base/gstbitreader.h>
 #include <gst/base/gstbytewriter.h>
 
 #include <string.h>
@@ -68,31 +67,24 @@ enum
 #define DEFAULT_MAX_LAYERS (0)
 #define DEFAULT_MAX_DECOMPOSITION_LEVELS (-1)
 
-static void gst_jp2k_decimator_finalize (GObject * obj);
 static void gst_jp2k_decimator_set_property (GObject * object,
     guint prop_id, const GValue * value, GParamSpec * pspec);
 static void gst_jp2k_decimator_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec);
 
 static GstFlowReturn gst_jp2k_decimator_sink_chain (GstPad * pad,
-    GstBuffer * inbuf);
-static gboolean gst_jp2k_decimator_sink_setcaps (GstPad * pad, GstCaps * caps);
-
-static gboolean gst_jp2k_decimator_event (GstPad * pad, GstEvent * event);
-static GstCaps *gst_jp2k_decimator_getcaps (GstPad * pad);
-static gboolean gst_jp2k_decimator_query (GstPad * pad, GstQuery * query);
-static const GstQueryType *gst_jp2k_decimator_query_type (GstPad * pad);
+    GstObject * parent, GstBuffer * inbuf);
 
 GST_DEBUG_CATEGORY (gst_jp2k_decimator_debug);
 #define GST_CAT_DEFAULT gst_jp2k_decimator_debug
 
-GST_BOILERPLATE (GstJP2kDecimator, gst_jp2k_decimator, GstElement,
-    GST_TYPE_ELEMENT);
+G_DEFINE_TYPE (GstJP2kDecimator, gst_jp2k_decimator, GST_TYPE_ELEMENT);
 
 static void
-gst_jp2k_decimator_base_init (gpointer g_class)
+gst_jp2k_decimator_class_init (GstJP2kDecimatorClass * klass)
 {
-  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (klass);
 
   gst_element_class_set_static_metadata (gstelement_class,
       "JPEG2000 decimator",
@@ -104,16 +96,9 @@ gst_jp2k_decimator_base_init (gpointer g_class)
       gst_static_pad_template_get (&sink_pad_template));
   gst_element_class_add_pad_template (gstelement_class,
       gst_static_pad_template_get (&src_pad_template));
-}
-
-static void
-gst_jp2k_decimator_class_init (GstJP2kDecimatorClass * klass)
-{
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 
   gobject_class->set_property = gst_jp2k_decimator_set_property;
   gobject_class->get_property = gst_jp2k_decimator_get_property;
-  gobject_class->finalize = gst_jp2k_decimator_finalize;
 
   g_object_class_install_property (gobject_class, PROP_MAX_LAYERS,
       g_param_spec_int ("max-layers", "Maximum Number of Layers",
@@ -129,46 +114,25 @@ gst_jp2k_decimator_class_init (GstJP2kDecimatorClass * klass)
 }
 
 static void
-gst_jp2k_decimator_init (GstJP2kDecimator * self,
-    GstJP2kDecimatorClass * g_class)
+gst_jp2k_decimator_init (GstJP2kDecimator * self)
 {
   self->max_layers = DEFAULT_MAX_LAYERS;
   self->max_decomposition_levels = DEFAULT_MAX_DECOMPOSITION_LEVELS;
 
   self->sinkpad = gst_pad_new_from_static_template (&sink_pad_template, "sink");
+  GST_PAD_SET_PROXY_CAPS (self->sinkpad);
+  GST_PAD_SET_PROXY_ALLOCATION (self->sinkpad);
+
   gst_pad_set_chain_function (self->sinkpad,
       GST_DEBUG_FUNCPTR (gst_jp2k_decimator_sink_chain));
-  gst_pad_set_event_function (self->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_event));
-  gst_pad_set_setcaps_function (self->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_sink_setcaps));
-  gst_pad_set_getcaps_function (self->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_getcaps));
-  gst_pad_set_query_function (self->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_query));
-  gst_pad_set_query_type_function (self->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_query_type));
   gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
 
   self->srcpad = gst_pad_new_from_static_template (&src_pad_template, "src");
-  gst_pad_set_event_function (self->srcpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_event));
-  gst_pad_set_getcaps_function (self->srcpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_getcaps));
-  gst_pad_set_query_function (self->srcpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_query));
-  gst_pad_set_query_type_function (self->srcpad,
-      GST_DEBUG_FUNCPTR (gst_jp2k_decimator_query_type));
+  GST_PAD_SET_PROXY_CAPS (self->srcpad);
   gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
 }
 
 static void
-gst_jp2k_decimator_finalize (GObject * obj)
-{
-  G_OBJECT_CLASS (parent_class)->finalize (obj);
-}
-
-static void
 gst_jp2k_decimator_set_property (GObject * object,
     guint prop_id, const GValue * value, GParamSpec * pspec)
 {
@@ -206,109 +170,27 @@ gst_jp2k_decimator_get_property (GObject * object,
   }
 }
 
-static gboolean
-gst_jp2k_decimator_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
-  gboolean ret;
-
-  GST_DEBUG_OBJECT (pad, "Setting caps: %" GST_PTR_FORMAT, caps);
-
-  ret = gst_pad_set_caps (self->srcpad, caps);
-
-  gst_object_unref (self);
-
-  return ret;
-}
-
-static GstCaps *
-gst_jp2k_decimator_getcaps (GstPad * pad)
-{
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
-  GstPad *otherpad;
-  GstCaps *tmp, *ret;
-
-  otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
-
-  tmp = gst_pad_peer_get_caps (otherpad);
-  if (tmp) {
-    ret = gst_caps_intersect (tmp, gst_pad_get_pad_template_caps (pad));
-    gst_caps_unref (tmp);
-  } else {
-    ret = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
-  }
-
-  gst_object_unref (self);
-
-  GST_LOG_OBJECT (pad, "Returning caps: %" GST_PTR_FORMAT, ret);
-
-  return ret;
-}
-
-static gboolean
-gst_jp2k_decimator_query (GstPad * pad, GstQuery * query)
-{
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
-  gboolean ret;
-  GstPad *otherpad;
-
-  otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
-
-  GST_LOG_OBJECT (pad, "Handling query of type '%s'",
-      gst_query_type_get_name (GST_QUERY_TYPE (query)));
-
-  ret = gst_pad_peer_query (otherpad, query);
-
-  gst_object_unref (self);
-  return ret;
-}
-
-static const GstQueryType *
-gst_jp2k_decimator_query_type (GstPad * pad)
-{
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
-  GstPad *otherpad, *peer;
-  const GstQueryType *types = NULL;
-
-  otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
-  peer = gst_pad_get_peer (otherpad);
-  if (peer) {
-    types = gst_pad_get_query_types (peer);
-    gst_object_unref (peer);
-  }
-
-  gst_object_unref (self);
-
-  return types;
-}
-
-static gboolean
-gst_jp2k_decimator_event (GstPad * pad, GstEvent * event)
-{
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (gst_pad_get_parent (pad));
-  GstPad *otherpad;
-  gboolean ret;
-
-  GST_LOG_OBJECT (pad, "Got %s event", GST_EVENT_TYPE_NAME (event));
-
-  otherpad = (pad == self->srcpad) ? self->sinkpad : self->srcpad;
-  ret = gst_pad_push_event (otherpad, event);
-
-  gst_object_unref (self);
-  return ret;
-}
-
 static GstFlowReturn
 gst_jp2k_decimator_decimate_jpc (GstJP2kDecimator * self, GstBuffer * inbuf,
     GstBuffer ** outbuf_)
 {
   GstBuffer *outbuf = NULL;
   GstFlowReturn ret = GST_FLOW_OK;
-  GstByteReader reader = GST_BYTE_READER_INIT_FROM_BUFFER (inbuf);
+  GstMapInfo info;
+  GstByteReader reader;
   GstByteWriter writer;
   MainHeader main_header;
 
-  gst_byte_writer_init_with_size (&writer, GST_BUFFER_SIZE (inbuf), FALSE);
+
+  if (!gst_buffer_map (inbuf, &info, GST_MAP_READ)) {
+    GST_ELEMENT_ERROR (self, STREAM, WRONG_TYPE, ("Unable to map memory"),
+        (NULL));
+    gst_buffer_unref (inbuf);
+    return GST_FLOW_ERROR;
+  }
+
+  gst_byte_reader_init (&reader, info.data, info.size);
+  gst_byte_writer_init_with_size (&writer, gst_buffer_get_size (inbuf), FALSE);
 
   /* main header */
   memset (&main_header, 0, sizeof (MainHeader));
@@ -325,14 +207,18 @@ gst_jp2k_decimator_decimate_jpc (GstJP2kDecimator * self, GstBuffer * inbuf,
     goto done;
 
   outbuf = gst_byte_writer_reset_and_get_buffer (&writer);
-  gst_buffer_copy_metadata (outbuf, inbuf, GST_BUFFER_COPY_ALL);
+  gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_METADATA, 0, -1);
 
   GST_DEBUG_OBJECT (self,
-      "Decimated buffer from %u bytes to %u bytes (%.2lf%%)",
-      GST_BUFFER_SIZE (inbuf), GST_BUFFER_SIZE (outbuf),
-      (100 * GST_BUFFER_SIZE (outbuf)) / ((gdouble) GST_BUFFER_SIZE (inbuf)));
+      "Decimated buffer from %" G_GSIZE_FORMAT " bytes to %" G_GSIZE_FORMAT
+      " bytes (%.2lf%%)",
+      gst_buffer_get_size (inbuf), gst_buffer_get_size (outbuf),
+      (100 * gst_buffer_get_size (outbuf)) /
+      ((gdouble) gst_buffer_get_size (inbuf)));
 
 done:
+  gst_buffer_unmap (inbuf, &info);
+
   *outbuf_ = outbuf;
   reset_main_header (self, &main_header);
   gst_buffer_unref (inbuf);
@@ -341,15 +227,16 @@ done:
 }
 
 static GstFlowReturn
-gst_jp2k_decimator_sink_chain (GstPad * pad, GstBuffer * inbuf)
+gst_jp2k_decimator_sink_chain (GstPad * pad, GstObject * parent,
+    GstBuffer * inbuf)
 {
-  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (GST_PAD_PARENT (pad));
+  GstJP2kDecimator *self = GST_JP2K_DECIMATOR (parent);
   GstFlowReturn ret;
   GstBuffer *outbuf;
 
   GST_LOG_OBJECT (pad,
       "Handling inbuf with timestamp %" GST_TIME_FORMAT " and duration %"
-      GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (inbuf)),
+      GST_TIME_FORMAT, GST_TIME_ARGS (GST_BUFFER_PTS (inbuf)),
       GST_TIME_ARGS (GST_BUFFER_DURATION (inbuf)));
 
   if (self->max_layers == 0 && self->max_decomposition_levels == -1) {
@@ -375,7 +262,7 @@ plugin_init (GstPlugin * plugin)
       "JPEG2000 decimator");
 
   gst_element_register (plugin, "jp2kdecimator", GST_RANK_NONE,
-      gst_jp2k_decimator_get_type ());
+      GST_TYPE_JP2K_DECIMATOR);
 
   return TRUE;
 }
diff --git a/gst/jp2kdecimator/gstjp2kdecimator.h b/gst/jp2kdecimator/gstjp2kdecimator.h
index ca47b4d..f5f3458 100644
--- a/gst/jp2kdecimator/gstjp2kdecimator.h
+++ b/gst/jp2kdecimator/gstjp2kdecimator.h
@@ -22,7 +22,6 @@
 #define _GST_JP2K_DECIMATOR_H_
 
 #include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
 
 G_BEGIN_DECLS
 
diff --git a/gst/jp2kdecimator/jp2kcodestream.c b/gst/jp2kdecimator/jp2kcodestream.c
index c468ccc..42aba2e 100644
--- a/gst/jp2kdecimator/jp2kcodestream.c
+++ b/gst/jp2kdecimator/jp2kcodestream.c
@@ -933,7 +933,7 @@ parse_packet (GstJP2kDecimator * self, GstByteReader * reader,
 
     if (marker != MARKER_SOP) {
       GST_ERROR_OBJECT (self, "No SOP marker");
-      ret = GST_FLOW_UNEXPECTED;
+      ret = GST_FLOW_EOS;
       goto done;
     }
 
@@ -1452,7 +1452,7 @@ parse_main_header (GstJP2kDecimator * self, GstByteReader * reader,
       break;
     } else if (marker == MARKER_EOC) {
       GST_WARNING_OBJECT (self, "EOC marker before SOT");
-      ret = GST_FLOW_UNEXPECTED;
+      ret = GST_FLOW_EOS;
       goto done;
     }