Merge "Camera: Pass system health metrics to ServiceProxy"
diff --git a/apex/Android.bp b/apex/Android.bp
index fac3831..6ba9cb9 100644
--- a/apex/Android.bp
+++ b/apex/Android.bp
@@ -31,11 +31,12 @@
                 "libmpeg2extractor",
                 "liboggextractor",
                 "libwavextractor",
-                // JNI
-                "libmediaparser-jni"
             ],
         },
     },
+    // JNI
+    native_shared_libs: ["libmediaparser-jni"],
+    compile_multilib: "both",
     prebuilts: [
         "mediaextractor.policy",
         "code_coverage.policy",
diff --git a/include/media/MicrophoneInfo.h b/include/media/MicrophoneInfo.h
index 2287aca..0a24b02 100644
--- a/include/media/MicrophoneInfo.h
+++ b/include/media/MicrophoneInfo.h
@@ -205,11 +205,11 @@
 private:
     status_t readFloatVector(
             const Parcel* parcel, Vector<float> *vectorPtr, size_t defaultLength) {
-        std::unique_ptr<std::vector<float>> v;
+        std::optional<std::vector<float>> v;
         status_t result = parcel->readFloatVector(&v);
         if (result != OK) return result;
         vectorPtr->clear();
-        if (v.get() != nullptr) {
+        if (v) {
             for (const auto& iter : *v) {
                 vectorPtr->push_back(iter);
             }
diff --git a/media/codec2/sfplugin/C2OMXNode.cpp b/media/codec2/sfplugin/C2OMXNode.cpp
index c7588e9..dd1f485 100644
--- a/media/codec2/sfplugin/C2OMXNode.cpp
+++ b/media/codec2/sfplugin/C2OMXNode.cpp
@@ -25,6 +25,7 @@
 #include <C2AllocatorGralloc.h>
 #include <C2BlockInternal.h>
 #include <C2Component.h>
+#include <C2Config.h>
 #include <C2PlatformSupport.h>
 
 #include <OMX_Component.h>
@@ -44,6 +45,8 @@
 
 namespace {
 
+constexpr OMX_U32 kPortIndexInput = 0;
+
 class Buffer2D : public C2Buffer {
 public:
     explicit Buffer2D(C2ConstGraphicBlock block) : C2Buffer({ block }) {}
@@ -200,11 +203,27 @@
                 return BAD_VALUE;
             }
             OMX_PARAM_PORTDEFINITIONTYPE *pDef = (OMX_PARAM_PORTDEFINITIONTYPE *)params;
-            // TODO: read these from intf()
+            if (pDef->nPortIndex != kPortIndexInput) {
+                break;
+            }
+
             pDef->nBufferCountActual = 16;
+
+            std::shared_ptr<Codec2Client::Component> comp = mComp.lock();
+            C2PortActualDelayTuning::input inputDelay(0);
+            C2ActualPipelineDelayTuning pipelineDelay(0);
+            c2_status_t c2err = comp->query(
+                    {&inputDelay, &pipelineDelay}, {}, C2_DONT_BLOCK, nullptr);
+            if (c2err == C2_OK || c2err == C2_BAD_INDEX) {
+                pDef->nBufferCountActual = 4;
+                pDef->nBufferCountActual += (inputDelay ? inputDelay.value : 0u);
+                pDef->nBufferCountActual += (pipelineDelay ? pipelineDelay.value : 0u);
+            }
+
             pDef->eDomain = OMX_PortDomainVideo;
             pDef->format.video.nFrameWidth = mWidth;
             pDef->format.video.nFrameHeight = mHeight;
+            pDef->format.video.eColorFormat = OMX_COLOR_FormatAndroidOpaque;
             err = OK;
             break;
         }
diff --git a/media/libaaudio/include/aaudio/AAudio.h b/media/libaaudio/include/aaudio/AAudio.h
index 6666788..eeba10c 100644
--- a/media/libaaudio/include/aaudio/AAudio.h
+++ b/media/libaaudio/include/aaudio/AAudio.h
@@ -65,7 +65,7 @@
 
     /**
      * This format uses the int16_t data type.
-     * The maximum range of the data is -32768 to 32767.
+     * The maximum range of the data is -32768 (0x8000) to 32767 (0x7FFF).
      */
     AAUDIO_FORMAT_PCM_I16,
 
@@ -77,7 +77,31 @@
      * See also 'floatData' at
      * https://developer.android.com/reference/android/media/AudioTrack#write(float[],%20int,%20int,%20int)
      */
-    AAUDIO_FORMAT_PCM_FLOAT
+    AAUDIO_FORMAT_PCM_FLOAT,
+
+    /**
+     * This format uses 24-bit samples packed into 3 bytes.
+     * The bytes are in the native endian order.
+     * The maximum range of the data is -8388608 (0x800000)
+     * to 8388607 (0x7FFFFF).
+     *
+     * Note that the lower precision bits may be ignored by the device.
+     *
+     * Available since API level 31.
+     */
+    AAUDIO_FORMAT_PCM_I24_PACKED,
+
+    /**
+     * This format uses 32-bit samples stored in an int32_t data type.
+     * The maximum range of the data is -2147483648 (0x80000000)
+     * to 2147483647 (0x7FFFFFFF).
+     *
+     * Note that the lower precision bits may be ignored by the device.
+     *
+     * Available since API level 31.
+     */
+    AAUDIO_FORMAT_PCM_I32
+
 };
 typedef int32_t aaudio_format_t;
 
diff --git a/media/libaaudio/src/Android.bp b/media/libaaudio/src/Android.bp
index aafcccc..d02d1b6 100644
--- a/media/libaaudio/src/Android.bp
+++ b/media/libaaudio/src/Android.bp
@@ -130,9 +130,11 @@
         "flowgraph/SinkFloat.cpp",
         "flowgraph/SinkI16.cpp",
         "flowgraph/SinkI24.cpp",
+        "flowgraph/SinkI32.cpp",
         "flowgraph/SourceFloat.cpp",
         "flowgraph/SourceI16.cpp",
         "flowgraph/SourceI24.cpp",
+        "flowgraph/SourceI32.cpp",
     ],
     sanitize: {
         integer_overflow: true,
diff --git a/media/libaaudio/src/client/AAudioFlowGraph.cpp b/media/libaaudio/src/client/AAudioFlowGraph.cpp
index 8f2c488..61b50f3 100644
--- a/media/libaaudio/src/client/AAudioFlowGraph.cpp
+++ b/media/libaaudio/src/client/AAudioFlowGraph.cpp
@@ -26,9 +26,11 @@
 #include <flowgraph/SinkFloat.h>
 #include <flowgraph/SinkI16.h>
 #include <flowgraph/SinkI24.h>
+#include <flowgraph/SinkI32.h>
 #include <flowgraph/SourceFloat.h>
 #include <flowgraph/SourceI16.h>
 #include <flowgraph/SourceI24.h>
+#include <flowgraph/SourceI32.h>
 
 using namespace flowgraph;
 
@@ -38,7 +40,8 @@
                           int32_t sinkChannelCount) {
     AudioFloatOutputPort *lastOutput = nullptr;
 
-    ALOGV("%s() source format = 0x%08x, channels = %d, sink format = 0x%08x, channels = %d",
+    // TODO change back to ALOGD
+    ALOGI("%s() source format = 0x%08x, channels = %d, sink format = 0x%08x, channels = %d",
           __func__, sourceFormat, sourceChannelCount, sinkFormat, sinkChannelCount);
 
     switch (sourceFormat) {
@@ -51,7 +54,10 @@
         case AUDIO_FORMAT_PCM_24_BIT_PACKED:
             mSource = std::make_unique<SourceI24>(sourceChannelCount);
             break;
-        default: // TODO add I32
+        case AUDIO_FORMAT_PCM_32_BIT:
+            mSource = std::make_unique<SourceI32>(sourceChannelCount);
+            break;
+        default:
             ALOGE("%s() Unsupported source format = %d", __func__, sourceFormat);
             return AAUDIO_ERROR_UNIMPLEMENTED;
     }
@@ -90,7 +96,10 @@
         case AUDIO_FORMAT_PCM_24_BIT_PACKED:
             mSink = std::make_unique<SinkI24>(sinkChannelCount);
             break;
-        default: // TODO add I32
+        case AUDIO_FORMAT_PCM_32_BIT:
+            mSink = std::make_unique<SinkI32>(sinkChannelCount);
+            break;
+        default:
             ALOGE("%s() Unsupported sink format = %d", __func__, sinkFormat);
             return AAUDIO_ERROR_UNIMPLEMENTED;
     }
diff --git a/media/libaaudio/src/client/AudioStreamInternal.cpp b/media/libaaudio/src/client/AudioStreamInternal.cpp
index 809c76e..2815c6a 100644
--- a/media/libaaudio/src/client/AudioStreamInternal.cpp
+++ b/media/libaaudio/src/client/AudioStreamInternal.cpp
@@ -104,7 +104,7 @@
     if (getFormat() == AUDIO_FORMAT_DEFAULT) {
         setFormat(AUDIO_FORMAT_PCM_FLOAT);
     }
-    // Request FLOAT for the shared mixer.
+    // Request FLOAT for the shared mixer or the device.
     request.getConfiguration().setFormat(AUDIO_FORMAT_PCM_FLOAT);
 
     // Build the request to send to the server.
diff --git a/media/libaaudio/src/core/AAudioStreamParameters.cpp b/media/libaaudio/src/core/AAudioStreamParameters.cpp
index 5f45261..2c81c91 100644
--- a/media/libaaudio/src/core/AAudioStreamParameters.cpp
+++ b/media/libaaudio/src/core/AAudioStreamParameters.cpp
@@ -54,7 +54,9 @@
     switch (format) {
         case AUDIO_FORMAT_DEFAULT:
         case AUDIO_FORMAT_PCM_16_BIT:
+        case AUDIO_FORMAT_PCM_32_BIT:
         case AUDIO_FORMAT_PCM_FLOAT:
+        case AUDIO_FORMAT_PCM_24_BIT_PACKED:
             break; // valid
         default:
             ALOGD("audioFormat not valid, audio_format_t = 0x%08x", format);
diff --git a/media/libaaudio/src/core/AudioGlobal.cpp b/media/libaaudio/src/core/AudioGlobal.cpp
index 7f5d8d5..0e5b8be 100644
--- a/media/libaaudio/src/core/AudioGlobal.cpp
+++ b/media/libaaudio/src/core/AudioGlobal.cpp
@@ -80,6 +80,8 @@
         AAUDIO_CASE_ENUM(AAUDIO_FORMAT_INVALID);
         AAUDIO_CASE_ENUM(AAUDIO_FORMAT_PCM_I16);
         AAUDIO_CASE_ENUM(AAUDIO_FORMAT_PCM_FLOAT);
+        AAUDIO_CASE_ENUM(AAUDIO_FORMAT_PCM_I24_PACKED);
+        AAUDIO_CASE_ENUM(AAUDIO_FORMAT_PCM_I32);
     }
     return "Unrecognized";
 }
diff --git a/media/libaaudio/src/flowgraph/FlowgraphUtilities.h b/media/libaaudio/src/flowgraph/FlowgraphUtilities.h
new file mode 100644
index 0000000..b750410
--- /dev/null
+++ b/media/libaaudio/src/flowgraph/FlowgraphUtilities.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#ifndef FLOWGRAPH_UTILITIES_H
+#define FLOWGRAPH_UTILITIES_H
+
+#include <unistd.h>
+
+using namespace flowgraph;
+
+class FlowgraphUtilities {
+public:
+// This was copied from audio_utils/primitives.h
+/**
+ * Convert a single-precision floating point value to a Q0.31 integer value.
+ * Rounds to nearest, ties away from 0.
+ *
+ * Values outside the range [-1.0, 1.0) are properly clamped to -2147483648 and 2147483647,
+ * including -Inf and +Inf. NaN values are considered undefined, and behavior may change
+ * depending on hardware and future implementation of this function.
+ */
+static int32_t clamp32FromFloat(float f)
+{
+    static const float scale = (float)(1UL << 31);
+    static const float limpos = 1.;
+    static const float limneg = -1.;
+
+    if (f <= limneg) {
+        return -0x80000000; /* or 0x80000000 */
+    } else if (f >= limpos) {
+        return 0x7fffffff;
+    }
+    f *= scale;
+    /* integer conversion is through truncation (though int to float is not).
+     * ensure that we round to nearest, ties away from 0.
+     */
+    return f > 0 ? f + 0.5 : f - 0.5;
+}
+
+};
+
+#endif // FLOWGRAPH_UTILITIES_H
diff --git a/media/libaaudio/src/flowgraph/SinkI24.cpp b/media/libaaudio/src/flowgraph/SinkI24.cpp
index 6592828..0cb077d 100644
--- a/media/libaaudio/src/flowgraph/SinkI24.cpp
+++ b/media/libaaudio/src/flowgraph/SinkI24.cpp
@@ -15,7 +15,7 @@
  */
 
 #include <algorithm>
-#include <unistd.h>
+#include <stdint.h>
 
 #ifdef __ANDROID__
 #include <audio_utils/primitives.h>
@@ -26,7 +26,6 @@
 
 using namespace flowgraph;
 
-
 SinkI24::SinkI24(int32_t channelCount)
         : AudioSink(channelCount) {}
 
diff --git a/media/libaaudio/src/flowgraph/SinkI32.cpp b/media/libaaudio/src/flowgraph/SinkI32.cpp
new file mode 100644
index 0000000..eab863d
--- /dev/null
+++ b/media/libaaudio/src/flowgraph/SinkI32.cpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#ifdef __ANDROID__
+#include <audio_utils/primitives.h>
+#endif
+
+#include "AudioProcessorBase.h"
+#include "FlowgraphUtilities.h"
+#include "SinkI32.h"
+
+using namespace flowgraph;
+
+SinkI32::SinkI32(int32_t channelCount)
+        : AudioSink(channelCount) {}
+
+int32_t SinkI32::read(void *data, int32_t numFrames) {
+    int32_t *intData = (int32_t *) data;
+    const int32_t channelCount = input.getSamplesPerFrame();
+
+    int32_t framesLeft = numFrames;
+    while (framesLeft > 0) {
+        // Run the graph and pull data through the input port.
+        int32_t framesRead = pull(framesLeft);
+        if (framesRead <= 0) {
+            break;
+        }
+        const float *signal = input.getBlock();
+        int32_t numSamples = framesRead * channelCount;
+#ifdef __ANDROID__
+        memcpy_to_i32_from_float(intData, signal, numSamples);
+        intData += numSamples;
+        signal += numSamples;
+#else
+        for (int i = 0; i < numSamples; i++) {
+            *intData++ = FlowgraphUtilities::clamp32FromFloat(*signal++);
+        }
+#endif
+        framesLeft -= framesRead;
+    }
+    return numFrames - framesLeft;
+}
diff --git a/media/libaaudio/src/flowgraph/SinkI32.h b/media/libaaudio/src/flowgraph/SinkI32.h
new file mode 100644
index 0000000..09d23b7
--- /dev/null
+++ b/media/libaaudio/src/flowgraph/SinkI32.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#ifndef FLOWGRAPH_SINK_I32_H
+#define FLOWGRAPH_SINK_I32_H
+
+#include <stdint.h>
+
+#include "AudioProcessorBase.h"
+
+namespace flowgraph {
+
+class SinkI32 : public AudioSink {
+public:
+    explicit SinkI32(int32_t channelCount);
+    ~SinkI32() override = default;
+
+    int32_t read(void *data, int32_t numFrames) override;
+};
+
+} /* namespace flowgraph */
+
+#endif //FLOWGRAPH_SINK_I32_H
diff --git a/media/libaaudio/src/flowgraph/SourceI24.cpp b/media/libaaudio/src/flowgraph/SourceI24.cpp
index f319880..097954e 100644
--- a/media/libaaudio/src/flowgraph/SourceI24.cpp
+++ b/media/libaaudio/src/flowgraph/SourceI24.cpp
@@ -15,7 +15,7 @@
  */
 
 #include <algorithm>
-#include <unistd.h>
+#include <stdint.h>
 
 #ifdef __ANDROID__
 #include <audio_utils/primitives.h>
diff --git a/media/libaaudio/src/flowgraph/SourceI24.h b/media/libaaudio/src/flowgraph/SourceI24.h
index 39f14da..2ed6f18 100644
--- a/media/libaaudio/src/flowgraph/SourceI24.h
+++ b/media/libaaudio/src/flowgraph/SourceI24.h
@@ -17,8 +17,7 @@
 #ifndef FLOWGRAPH_SOURCE_I24_H
 #define FLOWGRAPH_SOURCE_I24_H
 
-#include <unistd.h>
-#include <sys/types.h>
+#include <stdint.h>
 
 #include "AudioProcessorBase.h"
 
diff --git a/media/libaaudio/src/flowgraph/SourceI32.cpp b/media/libaaudio/src/flowgraph/SourceI32.cpp
new file mode 100644
index 0000000..e8177ad
--- /dev/null
+++ b/media/libaaudio/src/flowgraph/SourceI32.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#include <algorithm>
+#include <unistd.h>
+
+#ifdef __ANDROID__
+#include <audio_utils/primitives.h>
+#endif
+
+#include "AudioProcessorBase.h"
+#include "SourceI32.h"
+
+using namespace flowgraph;
+
+SourceI32::SourceI32(int32_t channelCount)
+        : AudioSource(channelCount) {
+}
+
+int32_t SourceI32::onProcess(int64_t framePosition, int32_t numFrames) {
+    float *floatData = output.getBlock();
+    int32_t channelCount = output.getSamplesPerFrame();
+
+    int32_t framesLeft = mSizeInFrames - mFrameIndex;
+    int32_t framesToProcess = std::min(numFrames, framesLeft);
+    int32_t numSamples = framesToProcess * channelCount;
+
+    const int32_t *intBase = static_cast<const int32_t *>(mData);
+    const int32_t *intData = &intBase[mFrameIndex * channelCount];
+
+#ifdef __ANDROID__
+    memcpy_to_float_from_i32(floatData, intData, numSamples);
+#else
+    for (int i = 0; i < numSamples; i++) {
+        *floatData++ = *intData++ * kScale;
+    }
+#endif
+
+    mFrameIndex += framesToProcess;
+    return framesToProcess;
+}
diff --git a/media/libaaudio/src/flowgraph/SourceI32.h b/media/libaaudio/src/flowgraph/SourceI32.h
new file mode 100644
index 0000000..e50f9be
--- /dev/null
+++ b/media/libaaudio/src/flowgraph/SourceI32.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#ifndef FLOWGRAPH_SOURCE_I32_H
+#define FLOWGRAPH_SOURCE_I32_H
+
+#include <stdint.h>
+
+#include "AudioProcessorBase.h"
+
+namespace flowgraph {
+
+class SourceI32 : public AudioSource {
+public:
+    explicit SourceI32(int32_t channelCount);
+    ~SourceI32() override = default;
+
+    int32_t onProcess(int64_t framePosition, int32_t numFrames) override;
+
+private:
+    static constexpr float kScale = 1.0 / (1UL << 31);
+};
+
+} /* namespace flowgraph */
+
+#endif //FLOWGRAPH_SOURCE_I32_H
diff --git a/media/libaaudio/src/utility/AAudioUtilities.cpp b/media/libaaudio/src/utility/AAudioUtilities.cpp
index 3dfb801..d795725 100644
--- a/media/libaaudio/src/utility/AAudioUtilities.cpp
+++ b/media/libaaudio/src/utility/AAudioUtilities.cpp
@@ -134,6 +134,12 @@
     case AAUDIO_FORMAT_PCM_FLOAT:
         androidFormat = AUDIO_FORMAT_PCM_FLOAT;
         break;
+    case AAUDIO_FORMAT_PCM_I24_PACKED:
+        androidFormat = AUDIO_FORMAT_PCM_24_BIT_PACKED;
+        break;
+    case AAUDIO_FORMAT_PCM_I32:
+        androidFormat = AUDIO_FORMAT_PCM_32_BIT;
+        break;
     default:
         androidFormat = AUDIO_FORMAT_INVALID;
         ALOGE("%s() 0x%08X unrecognized", __func__, aaudioFormat);
@@ -154,6 +160,12 @@
     case AUDIO_FORMAT_PCM_FLOAT:
         aaudioFormat = AAUDIO_FORMAT_PCM_FLOAT;
         break;
+    case AUDIO_FORMAT_PCM_24_BIT_PACKED:
+        aaudioFormat = AAUDIO_FORMAT_PCM_I24_PACKED;
+        break;
+    case AUDIO_FORMAT_PCM_32_BIT:
+        aaudioFormat = AAUDIO_FORMAT_PCM_I32;
+        break;
     default:
         aaudioFormat = AAUDIO_FORMAT_INVALID;
         ALOGE("%s() 0x%08X unrecognized", __func__, androidFormat);
diff --git a/media/libaudioclient/ToneGenerator.cpp b/media/libaudioclient/ToneGenerator.cpp
index 050ad65..ee78a2d 100644
--- a/media/libaudioclient/ToneGenerator.cpp
+++ b/media/libaudioclient/ToneGenerator.cpp
@@ -853,6 +853,11 @@
                       { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
           .repeatCnt = ToneGenerator::TONEGEN_INF,
           .repeatSegment = 0 },                               // TONE_INDIA_RINGTONE
+        { .segments = { { .duration = 1000, .waveFreq = { 440, 480, 0 }, 0, 0 },
+                        { .duration = 2000, .waveFreq = { 0 }, 0, 0 },
+                        { .duration = 0 , .waveFreq = { 0 }, 0, 0}},
+          .repeatCnt = ToneGenerator::TONEGEN_INF,
+          .repeatSegment = 0 },                               // TONE_TW_RINGTONE
 };
 
 // Used by ToneGenerator::getToneForRegion() to convert user specified supervisory tone type
@@ -937,6 +942,16 @@
             TONE_SUP_ERROR,              // TONE_SUP_ERROR
             TONE_INDIA_CALL_WAITING,     // TONE_SUP_CALL_WAITING
             TONE_INDIA_RINGTONE          // TONE_SUP_RINGTONE
+        },
+        {   // TAIWAN
+            TONE_SUP_DIAL,               // TONE_SUP_DIAL
+            TONE_SUP_BUSY,               // TONE_SUP_BUSY
+            TONE_SUP_CONGESTION,         // TONE_SUP_CONGESTION
+            TONE_SUP_RADIO_ACK,          // TONE_SUP_RADIO_ACK
+            TONE_SUP_RADIO_NOTAVAIL,     // TONE_SUP_RADIO_NOTAVAIL
+            TONE_SUP_ERROR,              // TONE_SUP_ERROR
+            TONE_SUP_CALL_WAITING,       // TONE_SUP_CALL_WAITING
+            TONE_TW_RINGTONE             // TONE_SUP_RINGTONE
         }
 };
 
@@ -1010,6 +1025,8 @@
         mRegion = IRELAND;
     } else if (strstr(value, "in") != NULL) {
         mRegion = INDIA;
+    } else if (strstr(value, "tw") != NULL) {
+        mRegion = TAIWAN;
     } else {
         mRegion = CEPT;
     }
diff --git a/media/libaudioclient/include/media/ToneGenerator.h b/media/libaudioclient/include/media/ToneGenerator.h
index 5b0689a..04357a8 100644
--- a/media/libaudioclient/include/media/ToneGenerator.h
+++ b/media/libaudioclient/include/media/ToneGenerator.h
@@ -218,6 +218,7 @@
         TONE_INDIA_CONGESTION,      // Congestion tone: 400 Hz, 250ms ON, 250ms OFF...
         TONE_INDIA_CALL_WAITING,    // Call waiting tone: 400 Hz, tone repeated in a 0.2s on, 0.1s off, 0.2s on, 7.5s off pattern.
         TONE_INDIA_RINGTONE,        // Ring tone: 400 Hz tone modulated with 25Hz, 0.4 on 0.2 off 0.4 on 2..0 off
+        TONE_TW_RINGTONE,           // Ring Tone: 440 Hz + 480 Hz repeated with pattern 1s on, 3s off.
         NUM_ALTERNATE_TONES
     };
 
@@ -230,6 +231,7 @@
         HONGKONG,
         IRELAND,
         INDIA,
+        TAIWAN,
         CEPT,
         NUM_REGIONS
     };
diff --git a/services/oboeservice/AAudioServiceEndpointMMAP.cpp b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
index 5bccfd5..85b2057 100644
--- a/services/oboeservice/AAudioServiceEndpointMMAP.cpp
+++ b/services/oboeservice/AAudioServiceEndpointMMAP.cpp
@@ -72,24 +72,46 @@
 
 aaudio_result_t AAudioServiceEndpointMMAP::open(const aaudio::AAudioStreamRequest &request) {
     aaudio_result_t result = AAUDIO_OK;
-    audio_config_base_t config;
-    audio_port_handle_t deviceId;
-
     copyFrom(request.getConstantConfiguration());
-
-    const audio_attributes_t attributes = getAudioAttributesFrom(this);
-
     mMmapClient.clientUid = request.getUserId();
     mMmapClient.clientPid = request.getProcessId();
     mMmapClient.packageName.setTo(String16(""));
 
+    audio_format_t audioFormat = getFormat();
+
+    // FLOAT is not directly supported by the HAL so ask for a 24-bit.
+    bool isHighResRequested = audioFormat == AUDIO_FORMAT_PCM_FLOAT
+            || audioFormat == AUDIO_FORMAT_PCM_32_BIT;
+    if (isHighResRequested) {
+        // TODO remove these logs when finished debugging.
+        ALOGD("%s() change format from %d to 24_BIT_PACKED", __func__, audioFormat);
+        audioFormat = AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    }
+
+    result = openWithFormat(audioFormat);
+    if (result == AAUDIO_OK) return result;
+
+    // TODO The HAL and AudioFlinger should be recommending a format if the open fails.
+    //      But that recommendation is not propagating back from the HAL.
+    //      So for now just try something very likely to work.
+    if (result == AAUDIO_ERROR_UNAVAILABLE && audioFormat == AUDIO_FORMAT_PCM_24_BIT_PACKED) {
+        ALOGD("%s() 24_BIT failed, perhaps due to format. Try again with 16_BIT", __func__);
+        audioFormat = AUDIO_FORMAT_PCM_16_BIT;
+        result = openWithFormat(audioFormat);
+    }
+    return result;
+}
+
+aaudio_result_t AAudioServiceEndpointMMAP::openWithFormat(audio_format_t audioFormat) {
+    aaudio_result_t result = AAUDIO_OK;
+    audio_config_base_t config;
+    audio_port_handle_t deviceId;
+
+    const audio_attributes_t attributes = getAudioAttributesFrom(this);
+
     mRequestedDeviceId = deviceId = getDeviceId();
 
     // Fill in config
-    audio_format_t audioFormat = getFormat();
-    if (audioFormat == AUDIO_FORMAT_DEFAULT || audioFormat == AUDIO_FORMAT_PCM_FLOAT) {
-        audioFormat = AUDIO_FORMAT_PCM_16_BIT;
-    }
     config.format = audioFormat;
 
     int32_t aaudioSampleRate = getSampleRate();
diff --git a/services/oboeservice/AAudioServiceEndpointMMAP.h b/services/oboeservice/AAudioServiceEndpointMMAP.h
index a2a0922..24b161d 100644
--- a/services/oboeservice/AAudioServiceEndpointMMAP.h
+++ b/services/oboeservice/AAudioServiceEndpointMMAP.h
@@ -88,6 +88,9 @@
     aaudio_result_t getExternalPosition(uint64_t *positionFrames, int64_t *timeNanos);
 
 private:
+
+    aaudio_result_t openWithFormat(audio_format_t audioFormat);
+
     MonotonicCounter                          mFramesTransferred;
 
     // Interface to the AudioFlinger MMAP support.
diff --git a/services/tuner/Android.bp b/services/tuner/Android.bp
index 0562b45..6078e54 100644
--- a/services/tuner/Android.bp
+++ b/services/tuner/Android.bp
@@ -2,6 +2,17 @@
     name: "tv_tuner_aidl",
     srcs: [
         "aidl/android/media/tv/tuner/ITunerService.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendAnalogCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendAtscCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendAtsc3Capabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendCableCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendDvbsCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendDvbtCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendIsdbsCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendIsdbs3Capabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerFrontendIsdbtCapabilities.aidl",
+        "aidl/android/media/tv/tuner/TunerServiceFrontendInfo.aidl",
     ],
     path: "aidl",
 }
diff --git a/services/tuner/TunerService.cpp b/services/tuner/TunerService.cpp
index 92008a9..77250aa 100644
--- a/services/tuner/TunerService.cpp
+++ b/services/tuner/TunerService.cpp
@@ -20,8 +20,19 @@
 #include <utils/Log.h>
 #include "TunerService.h"
 
+using ::aidl::android::media::tv::tuner::TunerFrontendAnalogCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendAtsc3Capabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendAtscCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendCableCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendDvbsCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendDvbtCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendIsdbs3Capabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendIsdbsCapabilities;
+using ::aidl::android::media::tv::tuner::TunerFrontendIsdbtCapabilities;
 using ::android::hardware::hidl_vec;
 using ::android::hardware::tv::tuner::V1_0::FrontendId;
+using ::android::hardware::tv::tuner::V1_0::FrontendType;
 using ::android::hardware::tv::tuner::V1_0::Result;
 
 namespace android {
@@ -62,4 +73,147 @@
     return ::ndk::ScopedAStatus::ok();
 }
 
+Status TunerService::getFrontendInfo(
+        int32_t frontendHandle, TunerServiceFrontendInfo* _aidl_return) {
+    if (mTuner == nullptr) {
+        // TODO: create a method for init.
+        mTuner = ITuner::getService();
+        if (mTuner == nullptr) {
+            ALOGE("Failed to get ITuner service.");
+            return ::ndk::ScopedAStatus::fromServiceSpecificError(
+                    static_cast<int32_t>(Result::UNAVAILABLE));
+        }
+    }
+
+    Result res;
+    FrontendInfo info;
+    int feId = getResourceIdFromHandle(frontendHandle);
+    mTuner->getFrontendInfo(feId, [&](Result r, const FrontendInfo& feInfo) {
+        info = feInfo;
+        res = r;
+    });
+    if (res != Result::SUCCESS) {
+        return ::ndk::ScopedAStatus::fromServiceSpecificError(static_cast<int32_t>(res));
+    }
+
+    TunerServiceFrontendInfo tunerInfo = convertToAidlFrontendInfo(feId, info);
+    *_aidl_return = tunerInfo;
+    return ::ndk::ScopedAStatus::ok();
+}
+
+TunerServiceFrontendInfo TunerService::convertToAidlFrontendInfo(int feId, FrontendInfo halInfo) {
+    TunerServiceFrontendInfo info{
+        .id = feId,
+        .type = (int)halInfo.type,
+        .minFrequency = (int)halInfo.minFrequency,
+        .maxFrequency = (int)halInfo.maxFrequency,
+        .minSymbolRate = (int)halInfo.minSymbolRate,
+        .maxSymbolRate = (int)halInfo.maxSymbolRate,
+        .acquireRange = (int)halInfo.acquireRange,
+        .exclusiveGroupId = (int)halInfo.exclusiveGroupId,
+    };
+    for (int i = 0; i < halInfo.statusCaps.size(); i++) {
+        info.statusCaps.push_back((int)halInfo.statusCaps[i]);
+    }
+
+    TunerFrontendCapabilities caps;
+    switch (halInfo.type) {
+        case FrontendType::ANALOG: {
+            TunerFrontendAnalogCapabilities analogCaps{
+                .typeCap = (int)halInfo.frontendCaps.analogCaps().typeCap,
+                .sifStandardCap = (int)halInfo.frontendCaps.analogCaps().sifStandardCap,
+            };
+            caps.set<TunerFrontendCapabilities::analogCaps>(analogCaps);
+            break;
+        }
+        case FrontendType::ATSC: {
+            TunerFrontendAtscCapabilities atscCaps{
+                .modulationCap = (int)halInfo.frontendCaps.atscCaps().modulationCap,
+            };
+            caps.set<TunerFrontendCapabilities::atscCaps>(atscCaps);
+            break;
+        }
+        case FrontendType::ATSC3: {
+            TunerFrontendAtsc3Capabilities atsc3Caps{
+                .bandwidthCap = (int)halInfo.frontendCaps.atsc3Caps().bandwidthCap,
+                .modulationCap = (int)halInfo.frontendCaps.atsc3Caps().modulationCap,
+                .timeInterleaveModeCap =
+                        (int)halInfo.frontendCaps.atsc3Caps().timeInterleaveModeCap,
+                .codeRateCap = (int)halInfo.frontendCaps.atsc3Caps().codeRateCap,
+                .demodOutputFormatCap = (int)halInfo.frontendCaps.atsc3Caps().demodOutputFormatCap,
+                .fecCap = (int)halInfo.frontendCaps.atsc3Caps().fecCap,
+            };
+            caps.set<TunerFrontendCapabilities::atsc3Caps>(atsc3Caps);
+            break;
+        }
+        case FrontendType::DVBC: {
+            TunerFrontendCableCapabilities cableCaps{
+                .modulationCap = (int)halInfo.frontendCaps.dvbcCaps().modulationCap,
+                .codeRateCap = (int)halInfo.frontendCaps.dvbcCaps().fecCap,
+                .annexCap = (int)halInfo.frontendCaps.dvbcCaps().annexCap,
+            };
+            caps.set<TunerFrontendCapabilities::cableCaps>(cableCaps);
+            break;
+        }
+        case FrontendType::DVBS: {
+            TunerFrontendDvbsCapabilities dvbsCaps{
+                .modulationCap = (int)halInfo.frontendCaps.dvbsCaps().modulationCap,
+                .codeRateCap = (long)halInfo.frontendCaps.dvbsCaps().innerfecCap,
+                .standard = (int)halInfo.frontendCaps.dvbsCaps().standard,
+            };
+            caps.set<TunerFrontendCapabilities::dvbsCaps>(dvbsCaps);
+            break;
+        }
+        case FrontendType::DVBT: {
+            TunerFrontendDvbtCapabilities dvbtCaps{
+                .transmissionModeCap = (int)halInfo.frontendCaps.dvbtCaps().transmissionModeCap,
+                .bandwidthCap = (int)halInfo.frontendCaps.dvbtCaps().bandwidthCap,
+                .constellationCap = (int)halInfo.frontendCaps.dvbtCaps().constellationCap,
+                .codeRateCap = (int)halInfo.frontendCaps.dvbtCaps().coderateCap,
+                .hierarchyCap = (int)halInfo.frontendCaps.dvbtCaps().hierarchyCap,
+                .guardIntervalCap = (int)halInfo.frontendCaps.dvbtCaps().guardIntervalCap,
+                .isT2Supported = (bool)halInfo.frontendCaps.dvbtCaps().isT2Supported,
+                .isMisoSupported = (bool)halInfo.frontendCaps.dvbtCaps().isMisoSupported,
+            };
+            caps.set<TunerFrontendCapabilities::dvbtCaps>(dvbtCaps);
+            break;
+        }
+        case FrontendType::ISDBS: {
+            TunerFrontendIsdbsCapabilities isdbsCaps{
+                .modulationCap = (int)halInfo.frontendCaps.isdbsCaps().modulationCap,
+                .codeRateCap = (int)halInfo.frontendCaps.isdbsCaps().coderateCap,
+            };
+            caps.set<TunerFrontendCapabilities::isdbsCaps>(isdbsCaps);
+            break;
+        }
+        case FrontendType::ISDBS3: {
+            TunerFrontendIsdbs3Capabilities isdbs3Caps{
+                .modulationCap = (int)halInfo.frontendCaps.isdbs3Caps().modulationCap,
+                .codeRateCap = (int)halInfo.frontendCaps.isdbs3Caps().coderateCap,
+            };
+            caps.set<TunerFrontendCapabilities::isdbs3Caps>(isdbs3Caps);
+            break;
+        }
+        case FrontendType::ISDBT: {
+            TunerFrontendIsdbtCapabilities isdbtCaps{
+                .modeCap = (int)halInfo.frontendCaps.isdbtCaps().modeCap,
+                .bandwidthCap = (int)halInfo.frontendCaps.isdbtCaps().bandwidthCap,
+                .modulationCap = (int)halInfo.frontendCaps.isdbtCaps().modulationCap,
+                .codeRateCap = (int)halInfo.frontendCaps.isdbtCaps().coderateCap,
+                .guardIntervalCap = (int)halInfo.frontendCaps.isdbtCaps().guardIntervalCap,
+            };
+            caps.set<TunerFrontendCapabilities::isdbtCaps>(isdbtCaps);
+            break;
+        }
+        default:
+            break;
+    }
+
+    info.caps = caps;
+    return info;
+}
+
+int TunerService::getResourceIdFromHandle(int resourceHandle) {
+    return (resourceHandle & 0x00ff0000) >> 16;
+}
 } // namespace android
diff --git a/services/tuner/TunerService.h b/services/tuner/TunerService.h
index bda6c65..f3d5ff7 100644
--- a/services/tuner/TunerService.h
+++ b/services/tuner/TunerService.h
@@ -18,10 +18,13 @@
 #define ANDROID_MEDIA_TUNERSERVICE_H
 
 #include <aidl/android/media/tv/tuner/BnTunerService.h>
+#include <aidl/android/media/tv/tuner/TunerServiceFrontendInfo.h>
 #include <android/hardware/tv/tuner/1.0/ITuner.h>
 
 using Status = ::ndk::ScopedAStatus;
 using ::aidl::android::media::tv::tuner::BnTunerService;
+using ::aidl::android::media::tv::tuner::TunerServiceFrontendInfo;
+using ::android::hardware::tv::tuner::V1_0::FrontendInfo;
 using ::android::hardware::tv::tuner::V1_0::ITuner;
 
 namespace android {
@@ -34,9 +37,13 @@
     TunerService();
     virtual ~TunerService();
     Status getFrontendIds(std::vector<int32_t>* ids, int32_t* _aidl_return) override;
+    Status getFrontendInfo(int32_t frontendHandle, TunerServiceFrontendInfo* _aidl_return) override;
 
 private:
     static sp<ITuner> mTuner;
+
+    int getResourceIdFromHandle(int resourceHandle);
+    TunerServiceFrontendInfo convertToAidlFrontendInfo(int feId, FrontendInfo halInfo);
 };
 
 } // namespace android
diff --git a/services/tuner/aidl/android/media/tv/tuner/ITunerService.aidl b/services/tuner/aidl/android/media/tv/tuner/ITunerService.aidl
index 53cd90d..1d3671d 100644
--- a/services/tuner/aidl/android/media/tv/tuner/ITunerService.aidl
+++ b/services/tuner/aidl/android/media/tv/tuner/ITunerService.aidl
@@ -16,6 +16,8 @@
 
 package android.media.tv.tuner;
 
+import android.media.tv.tuner.TunerServiceFrontendInfo;
+
 /**
  * TunerService interface handles tuner related operations.
  *
@@ -29,4 +31,12 @@
      * @return the result code of the operation.
      */
     int getFrontendIds(out int[] ids);
+
+    /**
+     * Retrieve the frontend's information.
+     *
+     * @param frontendHandle the handle of the frontend granted by TRM.
+     * @return the information for the frontend.
+     */
+    TunerServiceFrontendInfo getFrontendInfo(in int frontendHandle);
 }
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAnalogCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAnalogCapabilities.aidl
new file mode 100644
index 0000000..74bf04e
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAnalogCapabilities.aidl
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * Analog Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendAnalogCapabilities {
+	/**
+     * Signal Type capability
+     */
+    int typeCap;
+
+    /**
+     * Standard Interchange Format (SIF) capability
+     */
+    int sifStandardCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtsc3Capabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtsc3Capabilities.aidl
new file mode 100644
index 0000000..6c9be77
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtsc3Capabilities.aidl
@@ -0,0 +1,54 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * ATSC3 Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendAtsc3Capabilities {
+    /**
+     * Bandwidth capability
+     */
+    int bandwidthCap;
+
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * TimeInterleaveMode capability
+     */
+    int timeInterleaveModeCap;
+
+    /**
+     * CodeRate capability
+     */
+    int codeRateCap;
+
+    /**
+     * FEC capability
+     */
+    int fecCap;
+
+    /**
+     * Demodulator Output Format capability
+     */
+    int demodOutputFormatCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtscCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtscCapabilities.aidl
new file mode 100644
index 0000000..2b6c2fc
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendAtscCapabilities.aidl
@@ -0,0 +1,29 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * ATSC Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendAtscCapabilities {
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+}
\ No newline at end of file
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCableCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCableCapabilities.aidl
new file mode 100644
index 0000000..7df452a
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCableCapabilities.aidl
@@ -0,0 +1,39 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * Cable(DVBC) Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendCableCapabilities {
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * Code Rate capability
+     */
+    int codeRateCap; // inner FEC will converge to codeRate
+
+    /**
+     * Annex capability
+     */
+    int annexCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCapabilities.aidl
new file mode 100644
index 0000000..19f31f1
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendCapabilities.aidl
@@ -0,0 +1,85 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+import android.media.tv.tuner.TunerFrontendAnalogCapabilities;
+import android.media.tv.tuner.TunerFrontendAtscCapabilities;
+import android.media.tv.tuner.TunerFrontendAtsc3Capabilities;
+import android.media.tv.tuner.TunerFrontendCableCapabilities;
+import android.media.tv.tuner.TunerFrontendDvbsCapabilities;
+import android.media.tv.tuner.TunerFrontendDvbtCapabilities;
+import android.media.tv.tuner.TunerFrontendIsdbsCapabilities;
+import android.media.tv.tuner.TunerFrontendIsdbs3Capabilities;
+import android.media.tv.tuner.TunerFrontendIsdbtCapabilities;
+
+/**
+ * Frontend Capabilities interface.
+ *
+ * Use a group of vectors as the workaround for Union structure that is not fully supported
+ * in AIDL currently.
+ *
+ * Client may use FrontendInfo.type as the discriminar to check the corresponding vector. If
+ * the vector is not null, it contains valid value.
+ *
+ * {@hide}
+ */
+union TunerFrontendCapabilities {
+    /**
+     * Analog Frontend Capabilities
+     */
+    TunerFrontendAnalogCapabilities analogCaps;
+
+    /**
+     * ATSC Frontend Capabilities
+     */
+    TunerFrontendAtscCapabilities atscCaps;
+
+    /**
+     * ATSC3 Frontend Capabilities
+     */
+    TunerFrontendAtsc3Capabilities atsc3Caps;
+
+    /**
+     * Cable Frontend Capabilities
+     */
+    TunerFrontendCableCapabilities cableCaps;
+
+    /**
+     * DVBS Frontend Capabilities
+     */
+    TunerFrontendDvbsCapabilities dvbsCaps;
+
+    /**
+     * DVBT Frontend Capabilities
+     */
+    TunerFrontendDvbtCapabilities dvbtCaps;
+
+    /**
+     * ISDB-S Frontend Capabilities
+     */
+    TunerFrontendIsdbsCapabilities isdbsCaps;
+
+    /**
+     * ISDB-S3 Frontend Capabilities
+     */
+    TunerFrontendIsdbs3Capabilities isdbs3Caps;
+
+    /**
+     * ISDB-T Frontend Capabilities
+     */
+    TunerFrontendIsdbtCapabilities isdbtCaps;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbsCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbsCapabilities.aidl
new file mode 100644
index 0000000..5e4322c
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbsCapabilities.aidl
@@ -0,0 +1,39 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * DVBS Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendDvbsCapabilities {
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * Code Rate capability
+     */
+    long codeRateCap;  // inner FEC will converge to codeRate
+
+    /**
+     * Sub standards capability
+     */
+    int standard;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbtCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbtCapabilities.aidl
new file mode 100644
index 0000000..73f16dd
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendDvbtCapabilities.aidl
@@ -0,0 +1,64 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * DVBT Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendDvbtCapabilities {
+    /**
+     * Transmission Mode capability
+     */
+    int transmissionModeCap;
+
+    /**
+     * Bandwidth capability
+     */
+    int bandwidthCap;
+
+    /**
+     * Constellation capability
+     */
+    int constellationCap;
+
+    /**
+     * Code Rate capability
+     */
+    int codeRateCap;
+
+    /**
+     * Hierarchy Type capability
+     */
+    int hierarchyCap;
+
+    /**
+     * Guard Interval capability
+     */
+    int guardIntervalCap;
+
+    /**
+     * T2 Support capability
+     */
+    boolean isT2Supported;
+
+    /**
+     * Miso Support capability
+     */
+    boolean isMisoSupported;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbs3Capabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbs3Capabilities.aidl
new file mode 100644
index 0000000..84dd67a
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbs3Capabilities.aidl
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * ISDB-S3 Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendIsdbs3Capabilities {
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * Code Rate capability
+     */
+    int codeRateCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbsCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbsCapabilities.aidl
new file mode 100644
index 0000000..15dfdf7
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbsCapabilities.aidl
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * ISDB-S Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendIsdbsCapabilities {
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * Code Rate capability
+     */
+    int codeRateCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbtCapabilities.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbtCapabilities.aidl
new file mode 100644
index 0000000..c9295d8
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerFrontendIsdbtCapabilities.aidl
@@ -0,0 +1,49 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+/**
+ * ISDB-T Frontend Capabilities interface.
+ *
+ * {@hide}
+ */
+parcelable TunerFrontendIsdbtCapabilities {
+    /**
+     * ISDB-T Mode capability
+     */
+    int modeCap;
+
+    /**
+     * Bandwidth capability
+     */
+    int bandwidthCap;
+
+    /**
+     * Modulation capability
+     */
+    int modulationCap;
+
+    /**
+     * Code Rate capability
+     */
+    int codeRateCap;
+
+    /**
+     * Guard Interval capability
+     */
+    int guardIntervalCap;
+}
diff --git a/services/tuner/aidl/android/media/tv/tuner/TunerServiceFrontendInfo.aidl b/services/tuner/aidl/android/media/tv/tuner/TunerServiceFrontendInfo.aidl
new file mode 100644
index 0000000..ddcbcdc
--- /dev/null
+++ b/services/tuner/aidl/android/media/tv/tuner/TunerServiceFrontendInfo.aidl
@@ -0,0 +1,77 @@
+/**
+ * Copyright 2020, 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.
+ */
+
+package android.media.tv.tuner;
+
+import android.media.tv.tuner.TunerFrontendCapabilities;
+
+/**
+ * FrontendInfo interface that carries tuner frontend information.
+ *
+ * {@hide}
+ */
+parcelable TunerServiceFrontendInfo {
+    /**
+     * Frontend Id
+     */
+    int id;
+
+    /**
+     * Frontend Type
+     */
+    int type;
+
+    /**
+     * Minimum Frequency in Hertz
+     */
+    int minFrequency;
+
+    /**
+     * Maximum Frequency in Hertz
+     */
+    int maxFrequency;
+
+    /**
+     * Minimum symbols per second
+     */
+    int minSymbolRate;
+
+    /**
+     * Maximum symbols per second
+     */
+    int maxSymbolRate;
+
+    /**
+     * Range in Hertz
+     */
+    int acquireRange;
+
+    /**
+     * Frontends are assigned with the same exclusiveGroupId if they can't
+     * function at same time. For instance, they share same hardware module.
+     */
+    int exclusiveGroupId;
+
+    /**
+     * A list of supported status types which client can inquiry
+     */
+    int[] statusCaps;
+
+    /**
+     * Frontend Capabilities
+     */
+    TunerFrontendCapabilities caps;
+}