tizen beta release

1 files changed, 72 insertions, 0 deletions

diff --git a/avsys-audio-shm.c b/avsys-audio-shm.c
new file mode 100644
index 0000000..850f59f
--- /dev/null
+++ b/avsys-audio-shm.c
@@ -0,0 +1,72 @@
+/*
+ * avsystem
+ *
+ * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
+ *
+ * Contact: Jonghyuk Choi <jhchoi.choi@samsung.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "avsys-audio-shm.h"
+#include "avsys-common.h"
+#include "avsys-error.h"
+#include "avsys-audio-handle.h"
+#include "avsys-audio-path.h"
+#include "avsys-audio-logical-volume.h"
+
+#define SHM_KEY_PATH "/tmp"
+
+typedef struct {
+	avsys_shm_param_t param;
+	void *pdst;
+} _avsys_audio_shm_control_t;
+
+static _avsys_audio_shm_control_t g_presettings[AVSYS_AUDIO_SHM_IDEN_CNT] = {
+	{{SHM_KEY_PATH, AVSYS_KEY_PREFIX_GEN(AVSYS_KEY_PREFIX_AUDIO,AVSYS_AUDIO_SHM_IDEN_HANDLE) + 0x10,sizeof(avsys_audio_handle_info_t)}, NULL},
+	{{SHM_KEY_PATH, AVSYS_KEY_PREFIX_GEN(AVSYS_KEY_PREFIX_AUDIO,AVSYS_AUDIO_SHM_IDEN_PATH) + 0x10,sizeof(avsys_audio_path_ex_info_t)}, NULL},
+	{{SHM_KEY_PATH, AVSYS_KEY_PREFIX_GEN(AVSYS_KEY_PREFIX_AUDIO,AVSYS_AUDIO_SHM_IDEN_LVOLUME) + 0x10,sizeof(avsys_logical_gain_t) * AVSYS_AUDIO_LVOL_GAIN_TYPE_MAX}, NULL},
+};
+
+int avsys_audio_create_shm(const avsys_audio_shm_iden_t iden)
+{
+	if (iden >= AVSYS_AUDIO_SHM_IDEN_CNT || 0 > iden)
+		return AVSYS_STATE_ERR_INVALID_PARAMETER;
+	return avsys_create_shm(&g_presettings[iden].param);
+}
+
+int avsys_audio_remove_shm(const avsys_audio_shm_iden_t iden)
+{
+	if (iden >= AVSYS_AUDIO_SHM_IDEN_CNT || 0 > iden)
+		return AVSYS_STATE_ERR_INVALID_PARAMETER;
+	g_presettings[iden].pdst = NULL;
+	return avsys_remove_shm(&g_presettings[iden].param);
+}
+
+int avsys_audio_get_shm(const avsys_audio_shm_iden_t iden, void **ptr)
+{
+	if (iden >= AVSYS_AUDIO_SHM_IDEN_CNT || 0 > iden)
+		return AVSYS_STATE_ERR_INVALID_PARAMETER;
+
+	if (!ptr)
+		return AVSYS_STATE_ERR_NULL_POINTER;
+
+	if (!g_presettings[iden].pdst) {
+		g_presettings[iden].pdst = avsys_get_shm(&g_presettings[iden].param);
+		if (!g_presettings[iden].pdst)
+			return AVSYS_STATE_ERR_INTERNAL;
+	}
+	*ptr = (void *)g_presettings[iden].pdst;
+	return AVSYS_STATE_SUCCESS;
+}