Audio-RIL-Interface

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

audio-ril-interface/Android.mk

@@ -0,0 +1,35 @@
+#
+# Copyright (C) 2013 Paul Kocialkowski
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := audio-ril-interface.c
+
+LOCAL_C_INCLUDES := \
+	hardware/ril/samsung-ril/include \
+	hardware/ril/samsung-ril/srs-client/include \
+	hardware/tinyalsa-audio/include/
+
+LOCAL_SHARED_LIBRARIES := liblog libcutils libsrs-client
+LOCAL_PRELINK_MODULE := false
+
+LOCAL_MODULE := libaudio-ril-interface
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_SHARED_LIBRARY)

audio-ril-interface/audio-ril-interface.c

@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2013 Paul Kocialkowski
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+
+#define LOG_TAG "Audio-RIL-Interface"
+#include <cutils/log.h>
+#include <system/audio.h>
+
+#include <audio_ril_interface.h>
+
+#include <samsung-ril-socket.h>
+#include <srs-client.h>
+
+int galaxys2_mic_mute(void *pdata, int mute)
+{
+	return 0;
+}
+
+int galaxys2_voice_volume(void *pdata, audio_devices_t device, float volume)
+{
+	struct srs_client *client = NULL;
+	struct srs_snd_call_volume call_volume;
+	int rc;
+
+	ALOGD("%s(%d, %f)", __func__, device, volume);
+
+	if (pdata == NULL)
+		return -1;
+
+	client = (struct srs_client *) pdata;
+
+	switch((int) device) {
+		case AUDIO_DEVICE_OUT_EARPIECE:
+			call_volume.type = SRS_SND_TYPE_VOICE;
+			break;
+		case AUDIO_DEVICE_OUT_SPEAKER:
+			call_volume.type = SRS_SND_TYPE_SPEAKER;
+			break;
+		case AUDIO_DEVICE_OUT_WIRED_HEADSET:
+		case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
+			call_volume.type = SRS_SND_TYPE_HEADSET;
+			break;
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+			call_volume.type = SRS_SND_TYPE_BTVOICE;
+			break;
+		default:
+			call_volume.type = SRS_SND_TYPE_VOICE;
+			break;
+	}
+
+	call_volume.volume = (int) (5 * volume);
+
+	rc = srs_client_send(client, SRS_SND_SET_CALL_VOLUME, &call_volume, sizeof(call_volume));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+int galaxys2_route(void *pdata, audio_devices_t device)
+{
+	struct srs_client *client;
+	struct srs_snd_call_audio_path call_audio_path;
+	int rc;
+
+	ALOGD("%s(%d)", __func__, device);
+
+	if (pdata == NULL)
+		return -1;
+
+	client = (struct srs_client *) pdata;
+
+	switch((int) device) {
+		case AUDIO_DEVICE_OUT_EARPIECE:
+			call_audio_path.path = SRS_SND_PATH_HANDSET;
+			break;
+		case AUDIO_DEVICE_OUT_SPEAKER:
+			call_audio_path.path = SRS_SND_PATH_SPEAKER;
+			break;
+		case AUDIO_DEVICE_OUT_WIRED_HEADSET:
+			call_audio_path.path = SRS_SND_PATH_HEADSET;
+			break;
+		case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
+			call_audio_path.path = SRS_SND_PATH_HEADPHONE;
+			break;
+		// FIXME: Bluetooth values/path relation
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+			call_audio_path.path = SRS_SND_PATH_BLUETOOTH;
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
+		case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+			call_audio_path.path = SRS_SND_PATH_BLUETOOTH_NO_NR;
+			break;
+		default:
+			call_audio_path.path = SRS_SND_PATH_HANDSET;
+			break;
+	}
+
+	rc = srs_client_send(client, SRS_SND_SET_CALL_AUDIO_PATH, &call_audio_path, sizeof(call_audio_path));
+	if (rc < 0)
+		return -1;
+
+	return 0;
+}
+
+/*
+ * Interface
+ */
+
+struct audio_ril_interface galaxys2_interface = {
+	NULL,
+	galaxys2_mic_mute,
+	galaxys2_voice_volume,
+	galaxys2_route
+};
+
+struct audio_ril_interface *audio_ril_interface_open(void)
+{
+	struct srs_client *client = NULL;
+	int rc;
+
+	ALOGD("%s()", __func__);
+
+	signal(SIGPIPE, SIG_IGN);
+
+	srs_client_create(&client);
+
+	rc = srs_client_open(client);
+	if (rc < 0) {
+		ALOGE("%s: Failed to open SRS client", __func__);
+		return NULL;
+	}
+
+	rc = srs_client_ping(client);
+	if (rc < 0)
+		ALOGE("%s: Failed to ping SRS client", __func__);
+
+	galaxys2_interface.pdata = (void *) client;
+
+	return &galaxys2_interface;
+}
+
+void audio_ril_interface_close(struct audio_ril_interface *interface)
+{
+	struct srs_client *client = NULL;
+	int rc;
+
+	ALOGD("%s(%p)", __func__, interface);
+
+	if (interface == NULL || interface->pdata == NULL)
+		return;
+
+	client = (struct srs_client *) interface->pdata;
+
+	rc = srs_client_close(client);
+	if (rc < 0)
+		ALOGE("%s: Failed to close SRS client", __func__);
+
+	srs_client_destroy(client);
+}

common.mk

@@ -72,7 +72,8 @@ PRODUCT_PACKAGES += \
     audio.a2dp.default \
     audio.r_submix.default \
     audio.usb.default \
-    libaudiohw_legacy
+    libaudiohw_legacy \
+    libaudio-ril-interface
 
 # HAL
 PRODUCT_PACKAGES += \