From de8b4e7ab91bad2c1c6e796f53d4e69ecbadd0bd Mon Sep 17 00:00:00 2001
From: Luiz Augusto von Dentz <luiz.dentz@openbossa.org>
Date: Wed, 23 Jan 2008 13:19:32 +0000
Subject: Add mp3 support for gstreamer plugin.

---
 audio/gstsbcutil.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 69 insertions(+), 4 deletions(-)

(limited to 'audio/gstsbcutil.c')

diff --git a/audio/gstsbcutil.c b/audio/gstsbcutil.c
index d791a8d6..04b7217a 100644
--- a/audio/gstsbcutil.c
+++ b/audio/gstsbcutil.c
@@ -89,12 +89,22 @@ const gchar *gst_sbc_get_allocation_from_list(const GValue *value)
 
 /*
  * Selects one mode from the ones on the list
- * TODO - use a better aproach
  */
-const gchar *gst_sbc_get_mode_from_list(const GValue *value)
+const gchar *gst_sbc_get_mode_from_list(const GValue *list)
 {
-	guint size = gst_value_list_get_size(value);
-	return g_value_get_string(gst_value_list_get_value(value, size-1));
+	int i;
+	const GValue *value;
+	const gchar *aux;
+
+	guint size = gst_value_list_get_size(list);
+	for (i = 0; i < size; i++) {
+		value = gst_value_list_get_value(list, i);
+		aux = g_value_get_string(value);
+		if (strcmp("stereo", aux) == 0) {
+			return "stereo";
+		}
+	}
+	return g_value_get_string(gst_value_list_get_value(list, size-1));
 }
 
 gint gst_sbc_get_allocation_mode_int(const gchar *allocation)
@@ -157,6 +167,61 @@ const gchar *gst_sbc_get_allocation_string(int alloc)
 	}
 }
 
+/* channel mode */
+#define SBC_CM_MONO             0x00
+#define SBC_CM_DUAL_CHANNEL     0x01
+#define SBC_CM_STEREO           0x02
+#define SBC_CM_JOINT_STEREO     0x03
+
+/* allocation mode */
+#define SBC_AM_LOUDNESS         0x00
+#define SBC_AM_SNR              0x01
+
+const gchar *gst_sbc_get_mode_string_from_sbc_t(int channels, int joint)
+{
+	if (channels == 2 && joint == 1)
+		return "joint";
+	else if (channels == 2 && joint == 0)
+		return "stereo";
+	else
+		return NULL;
+}
+
+const gchar *gst_sbc_get_allocation_string_from_sbc_t(int alloc)
+{
+	switch (alloc) {
+	case SBC_AM_LOUDNESS:
+		return "loudness";
+	case SBC_AM_SNR:
+		return "snr";
+	default:
+		return NULL;
+	}
+}
+
+GstCaps* gst_sbc_parse_caps_from_sbc(sbc_t *sbc)
+{
+	GstCaps *caps;
+	const gchar *mode_str;
+	const gchar *allocation_str;
+
+	mode_str = gst_sbc_get_mode_string_from_sbc_t(sbc->channels,
+							sbc->joint);
+	allocation_str = gst_sbc_get_allocation_string_from_sbc_t(
+							sbc->allocation);
+	caps = gst_caps_new_simple("audio/x-sbc",
+				"rate", G_TYPE_INT, sbc->rate,
+				"channels", G_TYPE_INT, sbc->channels,
+				"mode", G_TYPE_STRING, mode_str,
+				"subbands", G_TYPE_INT, sbc->subbands,
+				"blocks", G_TYPE_INT, sbc->blocks,
+				"allocation", G_TYPE_STRING, allocation_str,
+				"bitpool", G_TYPE_INT, sbc->bitpool,
+				NULL);
+
+	return caps;
+}
+
 GstCaps* gst_sbc_caps_from_sbc(sbc_capabilities_t *sbc, gint channels)
 {
 	GstCaps *caps;
-- 
cgit