Revert "audio policy: refactor getOutput() method"

This reverts commit e1dd2075105317ef8ff2b924423c88856e8fe8ea.

Change-Id: I4b7a2177af5bff5013ec4fe7fcdeb722f6b158c5
diff --git a/media/libaudioclient/AudioSystem.cpp b/media/libaudioclient/AudioSystem.cpp
index 58330ae..cdc75ac 100644
--- a/media/libaudioclient/AudioSystem.cpp
+++ b/media/libaudioclient/AudioSystem.cpp
@@ -822,11 +822,16 @@
 }
 
 
-audio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream)
+audio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream,
+                                    uint32_t samplingRate,
+                                    audio_format_t format,
+                                    audio_channel_mask_t channelMask,
+                                    audio_output_flags_t flags,
+                                    const audio_offload_info_t *offloadInfo)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
     if (aps == 0) return 0;
-    return aps->getOutput(stream);
+    return aps->getOutput(stream, samplingRate, format, channelMask, flags, offloadInfo);
 }
 
 status_t AudioSystem::getOutputForAttr(const audio_attributes_t *attr,
diff --git a/media/libaudioclient/IAudioPolicyService.cpp b/media/libaudioclient/IAudioPolicyService.cpp
index 0397eec..ceba211 100644
--- a/media/libaudioclient/IAudioPolicyService.cpp
+++ b/media/libaudioclient/IAudioPolicyService.cpp
@@ -160,11 +160,28 @@
         return static_cast <audio_policy_forced_cfg_t> (reply.readInt32());
     }
 
-    virtual audio_io_handle_t getOutput(audio_stream_type_t stream)
+    virtual audio_io_handle_t getOutput(
+                                        audio_stream_type_t stream,
+                                        uint32_t samplingRate,
+                                        audio_format_t format,
+                                        audio_channel_mask_t channelMask,
+                                        audio_output_flags_t flags,
+                                        const audio_offload_info_t *offloadInfo)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(static_cast <uint32_t>(stream));
+        data.writeInt32(samplingRate);
+        data.writeInt32(static_cast <uint32_t>(format));
+        data.writeInt32(channelMask);
+        data.writeInt32(static_cast <uint32_t>(flags));
+        // hasOffloadInfo
+        if (offloadInfo == NULL) {
+            data.writeInt32(0);
+        } else {
+            data.writeInt32(1);
+            data.write(offloadInfo, sizeof(audio_offload_info_t));
+        }
         remote()->transact(GET_OUTPUT, data, &reply);
         return static_cast <audio_io_handle_t> (reply.readInt32());
     }
@@ -917,7 +934,22 @@
             CHECK_INTERFACE(IAudioPolicyService, data, reply);
             audio_stream_type_t stream =
                     static_cast <audio_stream_type_t>(data.readInt32());
-            audio_io_handle_t output = getOutput(stream);
+            uint32_t samplingRate = data.readInt32();
+            audio_format_t format = (audio_format_t) data.readInt32();
+            audio_channel_mask_t channelMask = data.readInt32();
+            audio_output_flags_t flags =
+                    static_cast <audio_output_flags_t>(data.readInt32());
+            bool hasOffloadInfo = data.readInt32() != 0;
+            audio_offload_info_t offloadInfo;
+            if (hasOffloadInfo) {
+                data.read(&offloadInfo, sizeof(audio_offload_info_t));
+            }
+            audio_io_handle_t output = getOutput(stream,
+                                                 samplingRate,
+                                                 format,
+                                                 channelMask,
+                                                 flags,
+                                                 hasOffloadInfo ? &offloadInfo : NULL);
             reply->writeInt32(static_cast <int>(output));
             return NO_ERROR;
         } break;
diff --git a/media/libaudioclient/include/media/AudioSystem.h b/media/libaudioclient/include/media/AudioSystem.h
index 327eba8..5a81d83 100644
--- a/media/libaudioclient/include/media/AudioSystem.h
+++ b/media/libaudioclient/include/media/AudioSystem.h
@@ -211,6 +211,12 @@
 
     // Client must successfully hand off the handle reference to AudioFlinger via createTrack(),
     // or release it with releaseOutput().
+    static audio_io_handle_t getOutput(audio_stream_type_t stream,
+                                        uint32_t samplingRate = 0,
+                                        audio_format_t format = AUDIO_FORMAT_DEFAULT,
+                                        audio_channel_mask_t channelMask = AUDIO_CHANNEL_OUT_STEREO,
+                                        audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                        const audio_offload_info_t *offloadInfo = NULL);
     static status_t getOutputForAttr(const audio_attributes_t *attr,
                                      audio_io_handle_t *output,
                                      audio_session_t session,
@@ -444,7 +450,6 @@
         Vector <sp <AudioPortCallback> >    mAudioPortCallbacks;
     };
 
-    static audio_io_handle_t getOutput(audio_stream_type_t stream);
     static const sp<AudioFlingerClient> getAudioFlingerClient();
     static sp<AudioIoDescriptor> getIoDescriptor(audio_io_handle_t ioHandle);
 
diff --git a/media/libaudioclient/include/media/AudioTrack.h b/media/libaudioclient/include/media/AudioTrack.h
index aac41fd..2adacd7 100644
--- a/media/libaudioclient/include/media/AudioTrack.h
+++ b/media/libaudioclient/include/media/AudioTrack.h
@@ -990,7 +990,7 @@
     sp<IAudioTrack>         mAudioTrack;
     sp<IMemory>             mCblkMemory;
     audio_track_cblk_t*     mCblk;                  // re-load after mLock.unlock()
-    audio_io_handle_t       mOutput;                // returned by AudioSystem::getOutputForAttr()
+    audio_io_handle_t       mOutput;                // returned by AudioSystem::getOutput()
 
     sp<AudioTrackThread>    mAudioTrackThread;
     bool                    mThreadCanCallJava;
diff --git a/media/libaudioclient/include/media/IAudioPolicyService.h b/media/libaudioclient/include/media/IAudioPolicyService.h
index 7c88e57..9b3e35e 100644
--- a/media/libaudioclient/include/media/IAudioPolicyService.h
+++ b/media/libaudioclient/include/media/IAudioPolicyService.h
@@ -55,7 +55,12 @@
     virtual status_t setForceUse(audio_policy_force_use_t usage,
                                     audio_policy_forced_cfg_t config) = 0;
     virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage) = 0;
-    virtual audio_io_handle_t getOutput(audio_stream_type_t stream) = 0;
+    virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
+                                        uint32_t samplingRate = 0,
+                                        audio_format_t format = AUDIO_FORMAT_DEFAULT,
+                                        audio_channel_mask_t channelMask = 0,
+                                        audio_output_flags_t flags = AUDIO_OUTPUT_FLAG_NONE,
+                                        const audio_offload_info_t *offloadInfo = NULL) = 0;
     virtual status_t getOutputForAttr(const audio_attributes_t *attr,
                                       audio_io_handle_t *output,
                                       audio_session_t session,
diff --git a/services/audiopolicy/AudioPolicyInterface.h b/services/audiopolicy/AudioPolicyInterface.h
index 1a32433..7b19f58 100644
--- a/services/audiopolicy/AudioPolicyInterface.h
+++ b/services/audiopolicy/AudioPolicyInterface.h
@@ -109,7 +109,12 @@
     //
 
     // request an output appropriate for playback of the supplied stream type and parameters
-    virtual audio_io_handle_t getOutput(audio_stream_type_t stream) = 0;
+    virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
+                                        uint32_t samplingRate,
+                                        audio_format_t format,
+                                        audio_channel_mask_t channelMask,
+                                        audio_output_flags_t flags,
+                                        const audio_offload_info_t *offloadInfo) = 0;
     virtual status_t getOutputForAttr(const audio_attributes_t *attr,
                                         audio_io_handle_t *output,
                                         audio_session_t session,
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index 9c24641..89e5d77 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -751,15 +751,20 @@
     return profile;
 }
 
-audio_io_handle_t AudioPolicyManager::getOutput(audio_stream_type_t stream)
+audio_io_handle_t AudioPolicyManager::getOutput(audio_stream_type_t stream,
+                                                uint32_t samplingRate,
+                                                audio_format_t format,
+                                                audio_channel_mask_t channelMask,
+                                                audio_output_flags_t flags,
+                                                const audio_offload_info_t *offloadInfo)
 {
     routing_strategy strategy = getStrategy(stream);
     audio_devices_t device = getDeviceForStrategy(strategy, false /*fromCache*/);
-    SortedVector<audio_io_handle_t> outputs = getOutputsForDevice(device, mOutputs);
-    audio_io_handle_t output = selectOutput(outputs, AUDIO_OUTPUT_FLAG_NONE, AUDIO_FORMAT_INVALID);
+    ALOGV("getOutput() device %d, stream %d, samplingRate %d, format %x, channelMask %x, flags %x",
+          device, stream, samplingRate, format, channelMask, flags);
 
-    ALOGV("getOutput() stream %d selected device %08x, output %d", stream, device, output);
-    return output;
+    return getOutputForDevice(device, AUDIO_SESSION_ALLOCATE, stream, samplingRate, format,
+                              channelMask, flags, offloadInfo);
 }
 
 status_t AudioPolicyManager::getOutputForAttr(const audio_attributes_t *attr,
@@ -937,12 +942,12 @@
                     (channelMask == outputDesc->mChannelMask)) {
                   if (session == outputDesc->mDirectClientSession) {
                       outputDesc->mDirectOpenCount++;
-                      ALOGV("getOutputForDevice() reusing direct output %d for session %d",
+                      ALOGV("getOutput() reusing direct output %d for session %d",
                             mOutputs.keyAt(i), session);
                       return mOutputs.keyAt(i);
                   } else {
-                      ALOGV("getOutputForDevice() do not reuse direct output because"
-                              "current client (%d) is not the same as requesting client (%d)",
+                      ALOGV("getOutput() do not reuse direct output because current client (%d) "
+                            "is not the same as requesting client (%d)",
                             outputDesc->mDirectClientSession, session);
                       goto non_direct_output;
                   }
@@ -997,7 +1002,7 @@
             (samplingRate != 0 && samplingRate != config.sample_rate) ||
             (format != AUDIO_FORMAT_DEFAULT && !audio_formats_match(format, config.format)) ||
             (channelMask != 0 && channelMask != config.channel_mask)) {
-            ALOGV("getOutputForDevice() failed opening direct output: output %d samplingRate %d %d,"
+            ALOGV("getOutput() failed opening direct output: output %d samplingRate %d %d,"
                     "format %d %d, channelMask %04x %04x", output, samplingRate,
                     outputDesc->mSamplingRate, format, outputDesc->mFormat, channelMask,
                     outputDesc->mChannelMask);
@@ -1020,7 +1025,7 @@
 
         addOutput(output, outputDesc);
         mPreviousOutputs = mOutputs;
-        ALOGV("getOutputForDevice() returns new direct output %d", output);
+        ALOGV("getOutput() returns new direct output %d", output);
         mpClientInterface->onAudioPortListUpdate();
         return output;
     }
@@ -1047,9 +1052,8 @@
         flags = (audio_output_flags_t)(flags & ~AUDIO_OUTPUT_FLAG_DIRECT);
         output = selectOutput(outputs, flags, format);
     }
-    ALOGW_IF((output == 0), "getOutputForDevice() could not find output for stream %d, "
-            "samplingRate %d, format %d, channels %x, flags %x",
-            stream, samplingRate, format, channelMask, flags);
+    ALOGW_IF((output == 0), "getOutput() could not find output for stream %d, samplingRate %d, "
+            "format %d, channels %x, flags %x", stream, samplingRate, format, channelMask, flags);
 
     return output;
 }
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.h b/services/audiopolicy/managerdefault/AudioPolicyManager.h
index 11894dc..1b0c315 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.h
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.h
@@ -99,7 +99,12 @@
 
         virtual void setSystemProperty(const char* property, const char* value);
         virtual status_t initCheck();
-        virtual audio_io_handle_t getOutput(audio_stream_type_t stream);
+        virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
+                                            uint32_t samplingRate,
+                                            audio_format_t format,
+                                            audio_channel_mask_t channelMask,
+                                            audio_output_flags_t flags,
+                                            const audio_offload_info_t *offloadInfo);
         virtual status_t getOutputForAttr(const audio_attributes_t *attr,
                                           audio_io_handle_t *output,
                                           audio_session_t session,
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
index bd94e3e..b7bce55 100644
--- a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
+++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp
@@ -141,7 +141,12 @@
     return mAudioPolicyManager->getForceUse(usage);
 }
 
-audio_io_handle_t AudioPolicyService::getOutput(audio_stream_type_t stream)
+audio_io_handle_t AudioPolicyService::getOutput(audio_stream_type_t stream,
+                                    uint32_t samplingRate,
+                                    audio_format_t format,
+                                    audio_channel_mask_t channelMask,
+                                    audio_output_flags_t flags,
+                                    const audio_offload_info_t *offloadInfo)
 {
     if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
         return AUDIO_IO_HANDLE_NONE;
@@ -151,7 +156,8 @@
     }
     ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
-    return mAudioPolicyManager->getOutput(stream);
+    return mAudioPolicyManager->getOutput(stream, samplingRate,
+                                    format, channelMask, flags, offloadInfo);
 }
 
 status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
@@ -167,7 +173,7 @@
     if (mAudioPolicyManager == NULL) {
         return NO_INIT;
     }
-    ALOGV("getOutputForAttr()");
+    ALOGV("getOutput()");
     Mutex::Autolock _l(mLock);
 
     const uid_t callingUid = IPCThreadState::self()->getCallingUid();
diff --git a/services/audiopolicy/service/AudioPolicyService.h b/services/audiopolicy/service/AudioPolicyService.h
index 268697e..38d4b17 100644
--- a/services/audiopolicy/service/AudioPolicyService.h
+++ b/services/audiopolicy/service/AudioPolicyService.h
@@ -68,7 +68,13 @@
     virtual status_t setPhoneState(audio_mode_t state);
     virtual status_t setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config);
     virtual audio_policy_forced_cfg_t getForceUse(audio_policy_force_use_t usage);
-    virtual audio_io_handle_t getOutput(audio_stream_type_t stream);
+    virtual audio_io_handle_t getOutput(audio_stream_type_t stream,
+                                        uint32_t samplingRate = 0,
+                                        audio_format_t format = AUDIO_FORMAT_DEFAULT,
+                                        audio_channel_mask_t channelMask = 0,
+                                        audio_output_flags_t flags =
+                                                AUDIO_OUTPUT_FLAG_NONE,
+                                        const audio_offload_info_t *offloadInfo = NULL);
     virtual status_t getOutputForAttr(const audio_attributes_t *attr,
                                       audio_io_handle_t *output,
                                       audio_session_t session,