gst/cdxaparse/gstcdxaparse.*: some renaming add some checks/sanity prepare for seek addition

Original commit message from CVS:
* gst/cdxaparse/gstcdxaparse.c:
* gst/cdxaparse/gstcdxaparse.h:
some renaming
add some checks/sanity
prepare for seek addition

* sys/sunaudio/gstsunaudio.c:
remove exported dupe init function

1 files changed, 92 insertions, 106 deletions

diff --git a/gst/cdxaparse/gstcdxaparse.c b/gst/cdxaparse/gstcdxaparse.c
index b7b4dc68..472f6482 100644
--- a/gst/cdxaparse/gstcdxaparse.c
+++ b/gst/cdxaparse/gstcdxaparse.c
@@ -1,4 +1,3 @@
-/* -*- Mode: C; tab-width: 2; indent-tabs-mode: t; c-basic-offset: 2 -*- */
 /* GStreamer
  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
  *               <2002> Wim Taymans <wim.taymans@chello.be>
@@ -29,20 +28,13 @@
 #include "gst/riff/riff-ids.h"
 #include "gst/riff/riff-media.h"
 
-static void gst_cdxa_parse_base_init (gpointer g_class);
-static void gst_cdxa_parse_class_init (GstCDXAParseClass * klass);
-static void gst_cdxa_parse_init (GstCDXAParse * cdxa_parse);
+static void gst_cdxaparse_base_init (gpointer g_class);
+static void gst_cdxaparse_class_init (GstCDXAParseClass * klass);
+static void gst_cdxaparse_init (GstCDXAParse * cdxaparse);
 
-static GstElementStateReturn gst_cdxa_parse_change_state (GstElement * element);
+static GstElementStateReturn gst_cdxaparse_change_state (GstElement * element);
 
-static void gst_cdxa_parse_loop (GstElement * element);
-
-/* elementfactory information */
-static GstElementDetails gst_cdxa_parse_details =
-GST_ELEMENT_DETAILS (".dat parser",
-    "Codec/Parser",
-    "Parse a .dat file (VCD) into raw mpeg1",
-    "Wim Taymans <wim.taymans@tvd.be>");
+static void gst_cdxaparse_loop (GstElement * element);
 
 static GstStaticPadTemplate sink_template_factory =
 GST_STATIC_PAD_TEMPLATE ("sink",
@@ -73,40 +65,43 @@ enum
 
 static GstElementClass *parent_class = NULL;
 
-/*static guint gst_cdxa_parse_signals[LAST_SIGNAL] = { 0 }; */
-
 GType
-gst_cdxa_parse_get_type (void)
+gst_cdxaparse_get_type (void)
 {
-  static GType cdxa_parse_type = 0;
+  static GType cdxaparse_type = 0;
 
-  if (!cdxa_parse_type) {
-    static const GTypeInfo cdxa_parse_info = {
+  if (!cdxaparse_type) {
+    static const GTypeInfo cdxaparse_info = {
       sizeof (GstCDXAParseClass),
-      gst_cdxa_parse_base_init,
+      gst_cdxaparse_base_init,
       NULL,
-      (GClassInitFunc) gst_cdxa_parse_class_init,
+      (GClassInitFunc) gst_cdxaparse_class_init,
       NULL,
       NULL,
       sizeof (GstCDXAParse),
       0,
-      (GInstanceInitFunc) gst_cdxa_parse_init,
+      (GInstanceInitFunc) gst_cdxaparse_init,
     };
 
-    cdxa_parse_type =
+    cdxaparse_type =
         g_type_register_static (GST_TYPE_RIFF_READ, "GstCDXAParse",
-        &cdxa_parse_info, 0);
+        &cdxaparse_info, 0);
   }
-  return cdxa_parse_type;
+  return cdxaparse_type;
 }
 
 
 static void
-gst_cdxa_parse_base_init (gpointer g_class)
+gst_cdxaparse_base_init (gpointer g_class)
 {
   GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+  static GstElementDetails gst_cdxaparse_details =
+      GST_ELEMENT_DETAILS (".dat parser",
+      "Codec/Parser",
+      "Parse a .dat file (VCD) into raw mpeg1",
+      "Wim Taymans <wim.taymans@tvd.be>");
 
-  gst_element_class_set_details (element_class, &gst_cdxa_parse_details);
+  gst_element_class_set_details (element_class, &gst_cdxaparse_details);
 
   /* register src pads */
   gst_element_class_add_pad_template (element_class,
@@ -116,7 +111,7 @@ gst_cdxa_parse_base_init (gpointer g_class)
 }
 
 static void
-gst_cdxa_parse_class_init (GstCDXAParseClass * klass)
+gst_cdxaparse_class_init (GstCDXAParseClass * klass)
 {
   GstElementClass *gstelement_class;
   GObjectClass *object_class;
@@ -126,45 +121,44 @@ gst_cdxa_parse_class_init (GstCDXAParseClass * klass)
 
   parent_class = g_type_class_ref (GST_TYPE_RIFF_READ);
 
-  gstelement_class->change_state = gst_cdxa_parse_change_state;
+  gstelement_class->change_state = gst_cdxaparse_change_state;
 }
 
 static void
-gst_cdxa_parse_init (GstCDXAParse * cdxa_parse)
+gst_cdxaparse_init (GstCDXAParse * cdxaparse)
 {
   /* sink */
-  cdxa_parse->sinkpad =
+  cdxaparse->sinkpad =
       gst_pad_new_from_template (gst_static_pad_template_get
       (&sink_template_factory), "sink");
-  gst_element_add_pad (GST_ELEMENT (cdxa_parse), cdxa_parse->sinkpad);
-  GST_RIFF_READ (cdxa_parse)->sinkpad = cdxa_parse->sinkpad;
+  gst_element_add_pad (GST_ELEMENT (cdxaparse), cdxaparse->sinkpad);
+  GST_RIFF_READ (cdxaparse)->sinkpad = cdxaparse->sinkpad;
 
 
-  gst_element_set_loop_function (GST_ELEMENT (cdxa_parse), gst_cdxa_parse_loop);
+  gst_element_set_loop_function (GST_ELEMENT (cdxaparse), gst_cdxaparse_loop);
 
+  cdxaparse->state = GST_CDXAPARSE_START;
 
-  cdxa_parse->srcpad =
+  cdxaparse->srcpad =
       gst_pad_new_from_template (gst_static_pad_template_get
       (&src_template_factory), "src");
-  gst_element_add_pad (GST_ELEMENT (cdxa_parse), cdxa_parse->srcpad);
-
-  cdxa_parse->state = GST_CDXA_PARSE_START;
+  gst_element_add_pad (GST_ELEMENT (cdxaparse), cdxaparse->srcpad);
 
-  cdxa_parse->seek_pending = FALSE;
-  cdxa_parse->seek_offset = 0;
+  cdxaparse->seek_pending = FALSE;
+  cdxaparse->seek_offset = 0;
 }
 
 static gboolean
-gst_cdxa_parse_stream_init (GstCDXAParse * cdxa_parse)
+gst_cdxaparse_stream_init (GstCDXAParse * cdxa)
 {
-  GstRiffRead *riff = GST_RIFF_READ (cdxa_parse);
+  GstRiffRead *riff = GST_RIFF_READ (cdxa);
   guint32 doctype;
 
   if (!gst_riff_read_header (riff, &doctype))
     return FALSE;
 
   if (doctype != GST_RIFF_RIFF_CDXA) {
-    GST_ELEMENT_ERROR (cdxa_parse, STREAM, WRONG_TYPE, (NULL), (NULL));
+    GST_ELEMENT_ERROR (cdxa, STREAM, WRONG_TYPE, (NULL), (NULL));
     return FALSE;
   }
 
@@ -173,9 +167,9 @@ gst_cdxa_parse_stream_init (GstCDXAParse * cdxa_parse)
 
 /* Read 'fmt ' header */
 static gboolean
-gst_cdxa_parse_fmt (GstCDXAParse * cdxa_parse)
+gst_cdxaparse_fmt (GstCDXAParse * cdxa)
 {
-  GstRiffRead *riff = GST_RIFF_READ (cdxa_parse);
+  GstRiffRead *riff = GST_RIFF_READ (cdxa);
   gst_riff_strf_auds *header;
 
   if (!gst_riff_read_strf_auds (riff, &header)) {
@@ -189,50 +183,34 @@ gst_cdxa_parse_fmt (GstCDXAParse * cdxa_parse)
 }
 
 static gboolean
-gst_cdxa_parse_other (GstCDXAParse * cdxa_parse)
+gst_cdxaparse_other (GstCDXAParse * cdxa)
 {
-  GstRiffRead *riff = GST_RIFF_READ (cdxa_parse);
+  GstRiffRead *riff = GST_RIFF_READ (cdxa);
   guint32 tag, length;
 
-  /* Fixme, need to handle a seek...can you seek in cdxa? */
-
   if (!gst_riff_peek_head (riff, &tag, &length, NULL)) {
     return FALSE;
   }
 
   switch (tag) {
     case GST_RIFF_TAG_data:
-      gst_bytestream_flush (riff->bs, 8);
+      if (!gst_bytestream_flush (riff->bs, 8))
+        return FALSE;
 
-      cdxa_parse->state = GST_CDXA_PARSE_DATA;
-      cdxa_parse->dataleft = (guint64) length;
+      cdxa->state = GST_CDXAPARSE_DATA;
+      cdxa->dataleft = cdxa->datasize = (guint64) length;
+      cdxa->datastart = gst_bytestream_tell (riff->bs);
       break;
 
     default:
-      gst_riff_read_skip (riff);
+      if (!gst_riff_read_skip (riff))
+        return FALSE;
       break;
   }
 
   return TRUE;
 }
 
-#define MAX_BUFFER_SIZE 4096
-
-static void
-gst_cdxa_parse_loop (GstElement * element)
-{
-  GstCDXAParse *cdxa_parse = GST_CDXA_PARSE (element);
-  GstRiffRead *riff = GST_RIFF_READ (cdxa_parse);
-
-  if (cdxa_parse->state == GST_CDXA_PARSE_DATA) {
-    if (cdxa_parse->dataleft > 0) {
-      guint32 got_bytes, desired;
-      GstBuffer *buf, *outbuf;
-
-      desired = GST_CDXA_SECTOR_SIZE;
-
-      buf = gst_riff_read_element_data (riff, desired, &got_bytes);
-
 /*
 
 A sector is 2352 bytes long and is composed of:
@@ -250,60 +228,69 @@ edc : checksum
 
 */
 
-/*
-      if (got_bytes < GST_CDXA_SECTOR_SIZE) {
-        gst_cdxa_parse_handle_event (cdxa_parse);
+static void
+gst_cdxaparse_loop (GstElement * element)
+{
+  GstCDXAParse *cdxa = GST_CDXAPARSE (element);
+  GstRiffRead *riff = GST_RIFF_READ (cdxa);
+
+  if (cdxa->state == GST_CDXAPARSE_DATA) {
+
+    if (cdxa->dataleft > 0) {
+      guint32 got_bytes, desired;
+      GstBuffer *buf = NULL;
+      GstBuffer *outbuf = NULL;
+
+      desired = GST_CDXA_SECTOR_SIZE;
+
+      if (!(buf = gst_riff_read_element_data (riff, desired, &got_bytes)))
         return;
-      }
-*/
 
-      /* Extract time from CDXA header */
-/*      printf( "%02u:%02u:%02u\n", (unsigned char) *(GST_BUFFER_DATA(buf)+12), (unsigned char) *(GST_BUFFER_DATA(buf)+13), (unsigned char) *(GST_BUFFER_DATA(buf)+14) );*/
+      /* Skip CDXA headers, only keep data */
+      outbuf =
+          gst_buffer_create_sub (buf, GST_CDXA_HEADER_SIZE, GST_CDXA_DATA_SIZE);
 
-      /* Jump CDXA headers, only keep data */
-      outbuf = gst_buffer_create_sub (buf, 24, GST_CDXA_DATA_SIZE);
       gst_buffer_unref (buf);
+      gst_pad_push (cdxa->srcpad, GST_DATA (outbuf));
 
-      gst_pad_push (cdxa_parse->srcpad, GST_DATA (outbuf));
-
-      cdxa_parse->byteoffset += got_bytes;
-      if (got_bytes < cdxa_parse->dataleft) {
-        cdxa_parse->dataleft -= got_bytes;
+      cdxa->byteoffset += got_bytes;
+      if (got_bytes < cdxa->dataleft) {
+        cdxa->dataleft -= got_bytes;
         return;
       } else {
-        cdxa_parse->dataleft = 0;
-        cdxa_parse->state = GST_CDXA_PARSE_OTHER;
+        cdxa->dataleft = 0;
+        cdxa->state = GST_CDXAPARSE_OTHER;
       }
     } else {
-      cdxa_parse->state = GST_CDXA_PARSE_OTHER;
+      cdxa->state = GST_CDXAPARSE_OTHER;
     }
   }
 
-  switch (cdxa_parse->state) {
-    case GST_CDXA_PARSE_START:
-      if (!gst_cdxa_parse_stream_init (cdxa_parse)) {
+  switch (cdxa->state) {
+    case GST_CDXAPARSE_START:
+      if (!gst_cdxaparse_stream_init (cdxa)) {
         return;
       }
 
-      cdxa_parse->state = GST_CDXA_PARSE_FMT;
+      cdxa->state = GST_CDXAPARSE_FMT;
       /* fall-through */
 
-    case GST_CDXA_PARSE_FMT:
-      if (!gst_cdxa_parse_fmt (cdxa_parse)) {
+    case GST_CDXAPARSE_FMT:
+      if (!gst_cdxaparse_fmt (cdxa)) {
         return;
       }
 
-      cdxa_parse->state = GST_CDXA_PARSE_OTHER;
+      cdxa->state = GST_CDXAPARSE_OTHER;
       /* fall-through */
 
-    case GST_CDXA_PARSE_OTHER:
-      if (!gst_cdxa_parse_other (cdxa_parse)) {
+    case GST_CDXAPARSE_OTHER:
+      if (!gst_cdxaparse_other (cdxa)) {
         return;
       }
 
       break;
 
-    case GST_CDXA_PARSE_DATA:
+    case GST_CDXAPARSE_DATA:
 
     default:
       g_assert_not_reached ();
@@ -311,16 +298,16 @@ edc : checksum
 }
 
 static GstElementStateReturn
-gst_cdxa_parse_change_state (GstElement * element)
+gst_cdxaparse_change_state (GstElement * element)
 {
-  GstCDXAParse *cdxa_parse = GST_CDXA_PARSE (element);
+  GstCDXAParse *cdxa = GST_CDXAPARSE (element);
 
   switch (GST_STATE_TRANSITION (element)) {
     case GST_STATE_NULL_TO_READY:
       break;
 
     case GST_STATE_READY_TO_PAUSED:
-      cdxa_parse->state = GST_CDXA_PARSE_START;
+      cdxa->state = GST_CDXAPARSE_START;
       break;
 
     case GST_STATE_PAUSED_TO_PLAYING:
@@ -330,11 +317,10 @@ gst_cdxa_parse_change_state (GstElement * element)
       break;
 
     case GST_STATE_PAUSED_TO_READY:
-      cdxa_parse->state = GST_CDXA_PARSE_START;
-
+      cdxa->state = GST_CDXAPARSE_START;
 
-      cdxa_parse->seek_pending = FALSE;
-      cdxa_parse->seek_offset = 0;
+      cdxa->seek_pending = FALSE;
+      cdxa->seek_offset = 0;
       break;
 
     case GST_STATE_READY_TO_NULL:
@@ -354,8 +340,8 @@ plugin_init (GstPlugin * plugin)
     return FALSE;
   }
 
-  return gst_element_register (plugin, "cdxaparse", GST_RANK_SECONDARY,
-      GST_TYPE_CDXA_PARSE);
+  return gst_element_register (plugin, "cdxaparse", GST_RANK_PRIMARY,
+      GST_TYPE_CDXAPARSE);
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,