ext/libmng/: Somewhat port mngenc and mngdec to 0.10. Does not work yet and has many bits ifdeffed out still.

Original commit message from CVS:
* ext/libmng/Makefile.am:
* ext/libmng/gstmng.c: (plugin_init):
* ext/libmng/gstmngdec.c: (gst_mng_dec_base_init),
(gst_mng_dec_class_init), (gst_mng_dec_sink_setcaps),
(gst_mng_dec_init), (gst_mng_dec_src_getcaps), (gst_mng_dec_loop),
(gst_mng_dec_get_property), (gst_mng_dec_set_property),
(mngdec_error), (mngdec_openstream), (mngdec_closestream),
(gst_mng_dec_sink_event), (mngdec_readdata), (mngdec_settimer),
(mngdec_processheader), (mngdec_getcanvasline), (mngdec_refresh),
(gst_mng_dec_change_state):
* ext/libmng/gstmngdec.h:
* ext/libmng/gstmngenc.c: (gst_mng_enc_base_init),
(gst_mng_enc_class_init), (gst_mng_enc_sink_setcaps),
(gst_mng_enc_init), (gst_mng_enc_chain),
(gst_mng_enc_get_property), (gst_mng_enc_set_property):
* ext/libmng/gstmngenc.h:
Somewhat port mngenc and mngdec to 0.10. Does not work yet and has many
bits ifdeffed out still.

1 files changed, 30 insertions, 87 deletions

diff --git a/ext/libmng/gstmngenc.c b/ext/libmng/gstmngenc.c
index c6e34326..1d60d792 100644
--- a/ext/libmng/gstmngenc.c
+++ b/ext/libmng/gstmngenc.c
@@ -26,8 +26,7 @@
 
 #define MAX_HEIGHT              4096
 
-
-static const GstElementDetails gst_mngenc_details =
+static const GstElementDetails gst_mng_enc_details =
 GST_ELEMENT_DETAILS ("MNG video encoder",
     "Codec/Encoder/Video",
     "Encode a video frame to an .mng video",
@@ -45,49 +44,19 @@ enum
 
 enum
 {
-  ARG_0,
-  ARG_SNAPSHOT,
-  ARG_NEWMEDIA
+  ARG_0
 };
 
-static void gst_mngenc_base_init (gpointer g_class);
-static void gst_mngenc_class_init (GstMngEncClass * klass);
-static void gst_mngenc_init (GstMngEnc * mngenc);
-static void gst_mngenc_set_property (GObject * object,
+static void gst_mng_enc_set_property (GObject * object,
     guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_mngenc_get_property (GObject * object,
+static void gst_mng_enc_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec);
 
-static void gst_mngenc_chain (GstPad * pad, GstData * _data);
+static GstFlowReturn gst_mng_enc_chain (GstPad * pad, GstBuffer * buf);
 
 GstPadTemplate *mngenc_src_template, *mngenc_sink_template;
 
-static GstElementClass *parent_class = NULL;
-
-
-GType
-gst_mngenc_get_type (void)
-{
-  static GType mngenc_type = 0;
-
-  if (!mngenc_type) {
-    static const GTypeInfo mngenc_info = {
-      sizeof (GstMngEncClass),
-      gst_mngenc_base_init,
-      NULL,
-      (GClassInitFunc) gst_mngenc_class_init,
-      NULL,
-      NULL,
-      sizeof (GstMngEnc),
-      0,
-      (GInstanceInitFunc) gst_mngenc_init,
-    };
-
-    mngenc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstMngEnc",
-        &mngenc_info, 0);
-  }
-  return mngenc_type;
-}
+GST_BOILERPLATE (GstMngEnc, gst_mng_enc, GstElement, GST_TYPE_ELEMENT);
 
 static GstCaps *
 mng_caps_factory (void)
@@ -106,7 +75,7 @@ raw_caps_factory (void)
 }
 
 static void
-gst_mngenc_base_init (gpointer g_class)
+gst_mng_enc_base_init (gpointer g_class)
 {
   GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
   GstCaps *raw_caps, *mng_caps;
@@ -122,11 +91,11 @@ gst_mngenc_base_init (gpointer g_class)
 
   gst_element_class_add_pad_template (element_class, mngenc_sink_template);
   gst_element_class_add_pad_template (element_class, mngenc_src_template);
-  gst_element_class_set_details (element_class, &gst_mngenc_details);
+  gst_element_class_set_details (element_class, &gst_mng_enc_details);
 }
 
 static void
-gst_mngenc_class_init (GstMngEncClass * klass)
+gst_mng_enc_class_init (GstMngEncClass * klass)
 {
   GObjectClass *gobject_class;
   GstElementClass *gstelement_class;
@@ -134,32 +103,18 @@ gst_mngenc_class_init (GstMngEncClass * klass)
   gobject_class = (GObjectClass *) klass;
   gstelement_class = (GstElementClass *) klass;
 
-  parent_class = g_type_class_peek_parent (klass);
-
-  g_object_class_install_property (gobject_class, ARG_SNAPSHOT,
-      g_param_spec_boolean ("snapshot", "Snapshot",
-          "Send EOS after encoding a frame, useful for snapshots",
-          DEFAULT_SNAPSHOT, (GParamFlags) G_PARAM_READWRITE));
-
-  g_object_class_install_property (gobject_class, ARG_NEWMEDIA,
-      g_param_spec_boolean ("newmedia", "newmedia",
-          "Send new media discontinuity after encoding each frame",
-          FALSE, (GParamFlags) G_PARAM_READWRITE));
-
-  gstelement_class->get_property = gst_mngenc_get_property;
-  gstelement_class->set_property = gst_mngenc_set_property;
+  gobject_class->get_property = gst_mng_enc_get_property;
+  gobject_class->set_property = gst_mng_enc_set_property;
 }
 
-
-static GstPadLinkReturn
-gst_mngenc_sinklink (GstPad * pad, const GstCaps * caps)
+static gboolean
+gst_mng_enc_sink_setcaps (GstPad * pad, GstCaps * caps)
 {
   GstMngEnc *mngenc;
   gdouble fps;
   GstStructure *structure;
-  GstPadLinkReturn result;
 
-  mngenc = GST_MNGENC (gst_pad_get_parent (pad));
+  mngenc = GST_MNG_ENC (gst_pad_get_parent (pad));
 
   structure = gst_caps_get_structure (caps, 0);
   gst_structure_get_int (structure, "width", &mngenc->width);
@@ -172,14 +127,16 @@ gst_mngenc_sinklink (GstPad * pad, const GstCaps * caps)
       "width", G_TYPE_INT, mngenc->width,
       "height", G_TYPE_INT, mngenc->height, NULL);
 
-  result = gst_pad_try_set_caps (mngenc->srcpad, caps);
+  gst_pad_set_caps (mngenc->srcpad, caps);
+  gst_caps_unref (caps);
+
   gst_object_unref (mngenc);
 
-  return result;
+  return TRUE;
 }
 
 static void
-gst_mngenc_init (GstMngEnc * mngenc)
+gst_mng_enc_init (GstMngEnc * mngenc, GstMngEncClass * gclass)
 {
   mngenc->sinkpad = gst_pad_new_from_template (mngenc_sink_template, "sink");
   gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->sinkpad);
@@ -187,43 +144,35 @@ gst_mngenc_init (GstMngEnc * mngenc)
   mngenc->srcpad = gst_pad_new ("src", GST_PAD_SRC);
   gst_element_add_pad (GST_ELEMENT (mngenc), mngenc->srcpad);
 
-  gst_pad_set_chain_function (mngenc->sinkpad, gst_mngenc_chain);
-  gst_pad_set_link_function (mngenc->sinkpad, gst_mngenc_sinklink);
-
-  mngenc->snapshot = DEFAULT_SNAPSHOT;
-  mngenc->newmedia = FALSE;
+  gst_pad_set_chain_function (mngenc->sinkpad, gst_mng_enc_chain);
+  gst_pad_set_setcaps_function (mngenc->sinkpad, gst_mng_enc_sink_setcaps);
 }
 
-static void
-gst_mngenc_chain (GstPad * pad, GstData * _data)
+static GstFlowReturn
+gst_mng_enc_chain (GstPad * pad, GstBuffer * buf)
 {
-  GstBuffer *buf = GST_BUFFER (_data);
   GstMngEnc *mngenc;
 
-  mngenc = GST_MNGENC (gst_pad_get_parent (pad));
+  mngenc = GST_MNG_ENC (gst_pad_get_parent (pad));
 
   /* FIXME, do something here */
 
   gst_buffer_unref (buf);
   gst_object_unref (mngenc);
+
+  return GST_FLOW_NOT_SUPPORTED;
 }
 
 
 static void
-gst_mngenc_get_property (GObject * object,
+gst_mng_enc_get_property (GObject * object,
     guint prop_id, GValue * value, GParamSpec * pspec)
 {
   GstMngEnc *mngenc;
 
-  mngenc = GST_MNGENC (object);
+  mngenc = GST_MNG_ENC (object);
 
   switch (prop_id) {
-    case ARG_SNAPSHOT:
-      g_value_set_boolean (value, mngenc->snapshot);
-      break;
-    case ARG_NEWMEDIA:
-      g_value_set_boolean (value, mngenc->newmedia);
-      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -232,20 +181,14 @@ gst_mngenc_get_property (GObject * object,
 
 
 static void
-gst_mngenc_set_property (GObject * object,
+gst_mng_enc_set_property (GObject * object,
     guint prop_id, const GValue * value, GParamSpec * pspec)
 {
   GstMngEnc *mngenc;
 
-  mngenc = GST_MNGENC (object);
+  mngenc = GST_MNG_ENC (object);
 
   switch (prop_id) {
-    case ARG_SNAPSHOT:
-      mngenc->snapshot = g_value_get_boolean (value);
-      break;
-    case ARG_NEWMEDIA:
-      mngenc->newmedia = g_value_get_boolean (value);
-      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;