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);