auto import from //depot/cupcake/@135843

1 files changed, 553 insertions, 0 deletions

diff --git a/media/libmedia/IAudioFlinger.cpp b/media/libmedia/IAudioFlinger.cpp
new file mode 100644
index 0000000..5cbb25c
--- /dev/null
+++ b/media/libmedia/IAudioFlinger.cpp
@@ -0,0 +1,553 @@
+/* //device/extlibs/pv/android/IAudioflinger.cpp
+**
+** Copyright 2007, The Android Open Source Project
+**
+** 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.
+*/
+
+#define LOG_TAG "IAudioFlinger"
+#include <utils/Log.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Parcel.h>
+
+#include <media/IAudioFlinger.h>
+
+namespace android {
+
+enum {
+    CREATE_TRACK = IBinder::FIRST_CALL_TRANSACTION,
+    OPEN_RECORD,
+    SAMPLE_RATE,
+    CHANNEL_COUNT,
+    FORMAT,
+    FRAME_COUNT,
+    LATENCY,
+    SET_MASTER_VOLUME,
+    SET_MASTER_MUTE,
+    MASTER_VOLUME,
+    MASTER_MUTE,
+    SET_STREAM_VOLUME,
+    SET_STREAM_MUTE,
+    STREAM_VOLUME,
+    STREAM_MUTE,
+    SET_MODE,
+    GET_MODE,
+    SET_ROUTING,
+    GET_ROUTING,
+    SET_MIC_MUTE,
+    GET_MIC_MUTE,
+    IS_MUSIC_ACTIVE,
+    SET_PARAMETER,
+    REGISTER_CLIENT,
+    GET_INPUTBUFFERSIZE,
+    WAKE_UP,
+    IS_A2DP_ENABLED
+};
+
+class BpAudioFlinger : public BpInterface<IAudioFlinger>
+{
+public:
+    BpAudioFlinger(const sp<IBinder>& impl)
+        : BpInterface<IAudioFlinger>(impl)
+    {
+    }
+
+    virtual sp<IAudioTrack> createTrack(
+                                pid_t pid,
+                                int streamType,
+                                uint32_t sampleRate,
+                                int format,
+                                int channelCount,
+                                int frameCount,
+                                uint32_t flags,
+                                const sp<IMemory>& sharedBuffer,
+                                status_t *status)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(pid);
+        data.writeInt32(streamType);
+        data.writeInt32(sampleRate);
+        data.writeInt32(format);
+        data.writeInt32(channelCount);
+        data.writeInt32(frameCount);
+        data.writeInt32(flags);
+        data.writeStrongBinder(sharedBuffer->asBinder());
+        status_t lStatus = remote()->transact(CREATE_TRACK, data, &reply);
+        if (lStatus != NO_ERROR) {
+            LOGE("createTrack error: %s", strerror(-lStatus));
+        }
+        lStatus = reply.readInt32();
+        if (status) {
+            *status = lStatus;
+        }
+        return interface_cast<IAudioTrack>(reply.readStrongBinder());
+    }
+
+    virtual sp<IAudioRecord> openRecord(
+                                pid_t pid,
+                                int streamType,
+                                uint32_t sampleRate,
+                                int format,
+                                int channelCount,
+                                int frameCount,
+                                uint32_t flags,
+                                status_t *status)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(pid);
+        data.writeInt32(streamType);
+        data.writeInt32(sampleRate);
+        data.writeInt32(format);
+        data.writeInt32(channelCount);
+        data.writeInt32(frameCount);
+        data.writeInt32(flags);
+        remote()->transact(OPEN_RECORD, data, &reply);
+        status_t lStatus = reply.readInt32();
+        if (status) {
+            *status = lStatus;
+        }
+        return interface_cast<IAudioRecord>(reply.readStrongBinder());
+    }
+
+    virtual uint32_t sampleRate(int output) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
+        remote()->transact(SAMPLE_RATE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual int channelCount(int output) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
+        remote()->transact(CHANNEL_COUNT, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual int format(int output) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
+        remote()->transact(FORMAT, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual size_t frameCount(int output) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
+        remote()->transact(FRAME_COUNT, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual uint32_t latency(int output) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(output);
+        remote()->transact(LATENCY, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setMasterVolume(float value)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeFloat(value);
+        remote()->transact(SET_MASTER_VOLUME, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setMasterMute(bool muted)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(muted);
+        remote()->transact(SET_MASTER_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual float masterVolume() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(MASTER_VOLUME, data, &reply);
+        return reply.readFloat();
+    }
+
+    virtual bool masterMute() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(MASTER_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setStreamVolume(int stream, float value)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(stream);
+        data.writeFloat(value);
+        remote()->transact(SET_STREAM_VOLUME, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setStreamMute(int stream, bool muted)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(stream);
+        data.writeInt32(muted);
+        remote()->transact(SET_STREAM_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual float streamVolume(int stream) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(stream);
+        remote()->transact(STREAM_VOLUME, data, &reply);
+        return reply.readFloat();
+    }
+
+    virtual bool streamMute(int stream) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(stream);
+        remote()->transact(STREAM_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setRouting(int mode, uint32_t routes, uint32_t mask)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        data.writeInt32(routes);
+        data.writeInt32(mask);
+        remote()->transact(SET_ROUTING, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual uint32_t getRouting(int mode) const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        remote()->transact(GET_ROUTING, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setMode(int mode)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(mode);
+        remote()->transact(SET_MODE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual int getMode() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(GET_MODE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setMicMute(bool state)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(state);
+        remote()->transact(SET_MIC_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual bool getMicMute() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(GET_MIC_MUTE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual bool isMusicActive() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(IS_MUSIC_ACTIVE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setParameter(const char* key, const char* value)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeCString(key);
+        data.writeCString(value);
+        remote()->transact(SET_PARAMETER, data, &reply);
+        return reply.readInt32();
+    }
+    
+    virtual void registerClient(const sp<IAudioFlingerClient>& client)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeStrongBinder(client->asBinder());
+        remote()->transact(REGISTER_CLIENT, data, &reply);
+    }
+    
+    virtual size_t getInputBufferSize(uint32_t sampleRate, int format, int channelCount)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        data.writeInt32(sampleRate);
+        data.writeInt32(format);
+        data.writeInt32(channelCount);
+        remote()->transact(GET_INPUTBUFFERSIZE, data, &reply);
+        return reply.readInt32();
+    }
+    
+    virtual void wakeUp()
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(WAKE_UP, data, &reply);
+        return;
+    }
+
+    virtual bool isA2dpEnabled() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(IAudioFlinger::getInterfaceDescriptor());
+        remote()->transact(IS_A2DP_ENABLED, data, &reply);
+        return (bool)reply.readInt32();
+    }
+};
+
+IMPLEMENT_META_INTERFACE(AudioFlinger, "android.media.IAudioFlinger");
+
+// ----------------------------------------------------------------------
+
+#define CHECK_INTERFACE(interface, data, reply) \
+        do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+            LOGW("Call incorrectly routed to " #interface); \
+            return PERMISSION_DENIED; \
+        } } while (0)
+
+status_t BnAudioFlinger::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case CREATE_TRACK: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            pid_t pid = data.readInt32();
+            int streamType = data.readInt32();
+            uint32_t sampleRate = data.readInt32();
+            int format = data.readInt32();
+            int channelCount = data.readInt32();
+            size_t bufferCount = data.readInt32();
+            uint32_t flags = data.readInt32();
+            sp<IMemory> buffer = interface_cast<IMemory>(data.readStrongBinder());
+            status_t status;
+            sp<IAudioTrack> track = createTrack(pid,
+                    streamType, sampleRate, format,
+                    channelCount, bufferCount, flags, buffer, &status);
+            reply->writeInt32(status);
+            reply->writeStrongBinder(track->asBinder());
+            return NO_ERROR;
+        } break;
+        case OPEN_RECORD: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            pid_t pid = data.readInt32();
+            int streamType = data.readInt32();
+            uint32_t sampleRate = data.readInt32();
+            int format = data.readInt32();
+            int channelCount = data.readInt32();
+            size_t bufferCount = data.readInt32();
+            uint32_t flags = data.readInt32();
+            status_t status;
+            sp<IAudioRecord> record = openRecord(pid, streamType,
+                    sampleRate, format, channelCount, bufferCount, flags, &status);
+            reply->writeInt32(status);
+            reply->writeStrongBinder(record->asBinder());
+            return NO_ERROR;
+        } break;
+        case SAMPLE_RATE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int output = data.readInt32();
+            reply->writeInt32( sampleRate(output) );
+            return NO_ERROR;
+        } break;
+        case CHANNEL_COUNT: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int output = data.readInt32();
+            reply->writeInt32( channelCount(output) );
+            return NO_ERROR;
+        } break;
+        case FORMAT: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int output = data.readInt32();
+            reply->writeInt32( format(output) );
+            return NO_ERROR;
+        } break;
+        case FRAME_COUNT: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int output = data.readInt32();
+            reply->writeInt32( frameCount(output) );
+            return NO_ERROR;
+        } break;
+        case LATENCY: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int output = data.readInt32();
+            reply->writeInt32( latency(output) );
+            return NO_ERROR;
+        } break;
+         case SET_MASTER_VOLUME: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( setMasterVolume(data.readFloat()) );
+            return NO_ERROR;
+        } break;
+        case SET_MASTER_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( setMasterMute(data.readInt32()) );
+            return NO_ERROR;
+        } break;
+        case MASTER_VOLUME: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeFloat( masterVolume() );
+            return NO_ERROR;
+        } break;
+        case MASTER_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( masterMute() );
+            return NO_ERROR;
+        } break;
+        case SET_STREAM_VOLUME: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int stream = data.readInt32();
+            reply->writeInt32( setStreamVolume(stream, data.readFloat()) );
+            return NO_ERROR;
+        } break;
+        case SET_STREAM_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int stream = data.readInt32();
+            reply->writeInt32( setStreamMute(stream, data.readInt32()) );
+            return NO_ERROR;
+        } break;
+        case STREAM_VOLUME: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int stream = data.readInt32();
+            reply->writeFloat( streamVolume(stream) );
+            return NO_ERROR;
+        } break;
+        case STREAM_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int stream = data.readInt32();
+            reply->writeInt32( streamMute(stream) );
+            return NO_ERROR;
+        } break;
+        case SET_ROUTING: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int mode = data.readInt32();
+            uint32_t routes = data.readInt32();
+            uint32_t mask = data.readInt32();
+            reply->writeInt32( setRouting(mode, routes, mask) );
+            return NO_ERROR;
+        } break;
+        case GET_ROUTING: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int mode = data.readInt32();
+            reply->writeInt32( getRouting(mode) );
+            return NO_ERROR;
+        } break;
+        case SET_MODE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int mode = data.readInt32();
+            reply->writeInt32( setMode(mode) );
+            return NO_ERROR;
+        } break;
+        case GET_MODE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( getMode() );
+            return NO_ERROR;
+        } break;
+        case SET_MIC_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            int state = data.readInt32();
+            reply->writeInt32( setMicMute(state) );
+            return NO_ERROR;
+        } break;
+        case GET_MIC_MUTE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( getMicMute() );
+            return NO_ERROR;
+        } break;
+        case IS_MUSIC_ACTIVE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( isMusicActive() );
+            return NO_ERROR;
+        } break;
+        case SET_PARAMETER: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            const char *key = data.readCString();
+            const char *value = data.readCString();
+            reply->writeInt32( setParameter(key, value) );
+            return NO_ERROR;
+        } break;
+        case REGISTER_CLIENT: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            sp<IAudioFlingerClient> client = interface_cast<IAudioFlingerClient>(data.readStrongBinder());
+            registerClient(client);
+            return NO_ERROR;
+        } break;
+        case GET_INPUTBUFFERSIZE: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            uint32_t sampleRate = data.readInt32();
+            int format = data.readInt32();
+            int channelCount = data.readInt32();
+            reply->writeInt32( getInputBufferSize(sampleRate, format, channelCount) );
+            return NO_ERROR;
+        } break;
+        case WAKE_UP: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            wakeUp();
+            return NO_ERROR;
+        } break;
+        case IS_A2DP_ENABLED: {
+            CHECK_INTERFACE(IAudioFlinger, data, reply);
+            reply->writeInt32( (int)isA2dpEnabled() );
+            return NO_ERROR;
+        } break;
+        default:
+            return BBinder::onTransact(code, data, reply, flags);
+    }
+}
+
+// ----------------------------------------------------------------------------
+
+}; // namespace android