Add in start of audio-cd code. I'm not familiar with gstreamer, so if anyone would like to help, feel free

ecdb/trunk/TODO

@@ -1,2 +1,3 @@
 -> Detect if the media in a drive has changed and update the drive info (dbus?).
--> Creating images is right now rather inflexible (no special/symlinks, etc) and have to do all file managment outside before creating image.
+-> Make gstreamer dependancy optional
+-> more graceful handling of errors

ecdb/trunk/configure.in

@@ -72,14 +72,20 @@ changequote([,])dnl
 
 LIBBURN_REQUIRED=0.4.2
 LIBISOFS_REQUIRED=0.6.2
+GST_MAJORMINOR=0.10
+GST_REQS=0.10.2
+GSTPLUG_REQS=0.10.1
 
+dnl Make gstreamer an optional dependancy at some point
 PKG_CHECK_MODULES(ECDB, [
-  libburn-1 >= $LIBBURN_REQUIRED
-  libisofs-1 >= $LIBISOFS_REQUIRED
   ecore
   ewl
   edje
   efreet-mime
+  libburn-1 >= $LIBBURN_REQUIRED
+  libisofs-1 >= $LIBISOFS_REQUIRED
+  gstreamer-$GST_MAJORMINOR >= $GST_REQS
+  gstreamer-plugins-base-$GST_MAJORMINOR >= $GSTPLUG_REQS
 ])
 
 AC_OUTPUT([

ecdb/trunk/src/Makefile.am

@@ -8,6 +8,7 @@ ecdb_SOURCES = \
 		    ecdb_image.c ecdb_image.h \
 		    ecdb_burn.c ecdb_burn.h \
 		    ecdb_misc.c ecdb_misc.h \
+		    ecdb_audio.c ecdb_audio.h \
 		    ecdb_common.h
 
 ecdb_CFLAGS = @ECDB_CFLAGS@

ecdb/trunk/src/ecdb.h

@@ -17,6 +17,7 @@
 #include <libburn/libburn.h>
 #include <libisofs/libisofs.h>
 #include <pthread.h>
+#include <gst/gst.h>
 
 #undef FREE
 #define FREE(dat) \
@@ -44,6 +45,7 @@ extern int ECDB_DRIVE_ACTION_UPDATE;
 #include "ecdb_image.h"
 #include "ecdb_burn.h"
 #include "ecdb_misc.h"
+#include "ecdb_audio.h"
 
 #endif
 

ecdb/trunk/src/ecdb_audio.c

@@ -0,0 +1,189 @@
+#include "ecdb.h"
+
+/* A lot of the code below is from brasero, so thanks to them for it */
+char *ecdb_audio_output_create(Ecdb_Source *src);
+static gboolean cb_buscall(GstBus *bus, GstMessage *msg, gpointer data);
+static void cb_newpad(GstElement *decodebin, GstPad *pad,
+						gboolean last, gpointer data);
+
+int
+ecdb_audio_project_setup(Ecdb_Burn_Project *proj)
+{
+	int argc;
+	char **argv;
+
+	GMainLoop *loop;
+
+	ecore_app_args_get(&argc, &argv);
+	gst_init(&argc, &argv);
+	loop = g_main_loop_new(NULL, FALSE);
+	return TRUE;
+}	
+
+static gboolean
+cb_buscall(GstBus *bus, GstMessage *msg, gpointer data)
+{
+	if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_EOS)
+		printf("End of stream\n");
+	
+	else if (GST_MESSAGE_TYPE(msg) == GST_MESSAGE_ERROR)
+	{
+		gchar *debug;
+		GError *err;
+
+		gst_message_parse_error(msg, &err, &debug);
+		g_free(debug);
+		g_print("Error: %s\n", err->message);
+		g_error_free(err);
+	}
+
+	return TRUE;
+}
+
+static void
+cb_newpad(GstElement *decodebin, GstPad *pad, gboolean last, gpointer data)
+{
+	GstPad *sink;
+	GstCaps *caps;
+	GstStructure *structure;
+	GstElement *convert;
+
+	convert = (GstElement *) data;
+
+	sink = gst_element_get_pad (convert, "sink");
+	if (GST_PAD_IS_LINKED (sink))
+		return;
+
+	/* make sure we only have audio */
+	caps = gst_pad_get_caps (pad);
+	if (!caps)
+		return;
+
+	structure = gst_caps_get_structure (caps, 0);
+	if (structure
+	&&  g_strrstr (gst_structure_get_name (structure), "audio"))
+		gst_pad_link (pad, sink);
+
+	gst_object_unref (sink);
+	gst_caps_unref (caps);
+}
+
+int
+ecdb_audio_project_handle(Ecdb_Source *src, char *error)
+{
+	GstElement *decode;
+	GstElement *source;
+	GstBus *bus = NULL;
+	GstCaps *filtercaps;
+	GstElement *pipeline;
+	GstElement *sink = NULL;
+	GstElement *filter = NULL;
+	GstElement *convert = NULL;
+	GstElement *resample = NULL;
+	char *output;
+
+	pipeline = gst_pipeline_new(NULL);
+	bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
+	gst_bus_add_watch(bus, cb_buscall, NULL);
+	gst_object_unref(bus);
+
+	/* source */
+	source = gst_element_make_from_uri(GST_URI_SRC, src->dst, NULL);
+	if (!source)
+	{
+		error = "Source couldn't be created!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		return FALSE;
+	}
+	gst_bin_add(GST_BIN(pipeline), source);
+	g_object_set(source, "typefind", FALSE, NULL);
+
+	/* Output */
+	sink = gst_element_factory_make("filesink", NULL);
+	output = ecdb_audio_output_create(src);
+	g_object_set(sink, "location", output, NULL);
+	src->dst = output;
+	if (!sink)
+	{
+		error = "Sink couldn't be created!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		FREE(output);
+		return FALSE;
+	}
+	gst_bin_add(GST_BIN(pipeline), sink);
+	g_object_set(sink, "sync", FALSE, NULL);
+
+	/* Audioconvert */
+	convert = gst_element_factory_make("audioconvert", NULL);
+	if (!convert)
+	{
+		error = "Audioconvert couldn't be created!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		FREE(output);
+		return FALSE;
+	}
+
+	/* resample */
+	resample = gst_element_factory_make("audioresample", NULL);
+	if (!resample)
+	{
+		error = "Audioresampler couldn't be create!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		FREE(output);
+		return FALSE;
+	}
+	gst_bin_add(GST_BIN(pipeline), resample);
+
+	/* Filter */
+	filter = gst_element_factory_make("capsfilter", NULL);
+	if (!filter)
+	{
+		error = "Filter couldn't be created!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		FREE(output);
+		return FALSE;
+	}
+	gst_bin_add(GST_BIN(pipeline), filter);
+	filtercaps = gst_caps_new_full(gst_structure_new("audio/x-raw-int",
+						"channels", G_TYPE_INT, 2,
+						"width", G_TYPE_INT, 16,
+						"depth", G_TYPE_INT, 16,
+						"endianness", G_TYPE_INT, 1234,
+						"rate", G_TYPE_INT, 44100,
+						"signed", G_TYPE_BOOLEAN, TRUE,
+						NULL), NULL);
+	g_object_set(GST_OBJECT(filter), "caps", filtercaps, NULL);
+	gst_caps_unref(filtercaps);
+
+	/* decode */
+	decode = gst_element_factory_make("decodebin", NULL);
+	if (!decode)
+	{
+		error = "Decode couldn't be created!";
+		gst_object_unref(GST_OBJECT(pipeline));
+		FREE(output);
+		return FALSE;
+	}
+	gst_bin_add(GST_BIN(pipeline), decode);
+	gst_element_link_many(source, decode, NULL);
+	g_signal_connect(G_OBJECT(decode), "new-decoded-pad",
+				G_CALLBACK(cb_newpad), resample);
+	gst_element_link_many(resample, convert, filter, sink, NULL);
+
+	/* End stuff */
+	gst_element_set_state(pipeline, GST_STATE_PLAYING);
+	FREE(output);
+	return TRUE;
+}
+
+char *
+ecdb_audio_output_create(Ecdb_Source *src)
+{
+	char ret[PATH_MAX];
+
+	snprintf(ret, PATH_MAX, "/tmp/ecdb/%s.wav",
+				ecore_file_file_get
+				(ecore_file_strip_ext(src->dst)));
+	return strdup(ret);
+}
+

ecdb/trunk/src/ecdb_audio.h

@@ -0,0 +1,6 @@
+#ifndef ECDB_AUDIO_H
+#define ECDB_AUDIO_H
+
+Ecdb_Source *ecdb_audio_track_handle(Ecdb_Source *src);
+
+#endif

ecdb/trunk/src/ecdb_common.h

@@ -56,7 +56,7 @@ struct _Ecdb_Project_Info
 typedef struct _Ecdb_Source Ecdb_Source;
 struct _Ecdb_Source
 {
-	const char *dst;
+	char *dst;
 	unsigned char rec:1;
 	unsigned char num_children;
 	Ecdb_Source **children;

ecdb/trunk/src/ecdb_image.c

@@ -37,7 +37,7 @@ ecdb_source_data_set(Ecdb_Source *src, const char *dst,	unsigned char rec)
 	if (!src)
 		return;
 
-	src->dst = dst;
+	src->dst = strdup(dst);
 	src->rec = rec;
 }