diff --git a/media/codec2/components/gav1/Android.bp b/media/codec2/components/gav1/Android.bp
new file mode 100644
index 0000000..da76e9d
--- /dev/null
+++ b/media/codec2/components/gav1/Android.bp
@@ -0,0 +1,9 @@
+cc_library_shared {
+    name: "libcodec2_soft_gav1dec",
+    defaults: [
+        "libcodec2_soft-defaults",
+        "libcodec2_soft_sanitize_all-defaults",
+    ],
+
+    srcs: ["C2SoftGav1Dec.cpp"],
+}
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.cpp b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
new file mode 100644
index 0000000..f6dd14a
--- /dev/null
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.cpp
@@ -0,0 +1,316 @@
+/*
+ * Copyright (C) 2019 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_NDEBUG 0
+#define LOG_TAG "C2SoftGav1Dec"
+#include "C2SoftGav1Dec.h"
+
+#include <C2Debug.h>
+#include <C2PlatformSupport.h>
+#include <SimpleC2Interface.h>
+#include <log/log.h>
+#include <media/stagefright/foundation/AUtils.h>
+#include <media/stagefright/foundation/MediaDefs.h>
+
+namespace android {
+
+// TODO(vigneshv): This will be changed to c2.android.av1.decoder once this
+// component is fully functional.
+constexpr char COMPONENT_NAME[] = "c2.android.gav1.decoder";
+
+class C2SoftGav1Dec::IntfImpl : public SimpleInterface<void>::BaseParams {
+ public:
+  explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper)
+      : SimpleInterface<void>::BaseParams(
+            helper, COMPONENT_NAME, C2Component::KIND_DECODER,
+            C2Component::DOMAIN_VIDEO, MEDIA_MIMETYPE_VIDEO_AV1) {
+    noPrivateBuffers();  // TODO: account for our buffers here.
+    noInputReferences();
+    noOutputReferences();
+    noInputLatency();
+    noTimeStretch();
+
+    addParameter(DefineParam(mAttrib, C2_PARAMKEY_COMPONENT_ATTRIBUTES)
+                     .withConstValue(new C2ComponentAttributesSetting(
+                         C2Component::ATTRIB_IS_TEMPORAL))
+                     .build());
+
+    addParameter(
+        DefineParam(mSize, C2_PARAMKEY_PICTURE_SIZE)
+            .withDefault(new C2StreamPictureSizeInfo::output(0u, 320, 240))
+            .withFields({
+                C2F(mSize, width).inRange(2, 2048, 2),
+                C2F(mSize, height).inRange(2, 2048, 2),
+            })
+            .withSetter(SizeSetter)
+            .build());
+
+    addParameter(DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL)
+                     .withDefault(new C2StreamProfileLevelInfo::input(
+                         0u, C2Config::PROFILE_AV1_0, C2Config::LEVEL_AV1_2_1))
+                     .withFields({C2F(mProfileLevel, profile)
+                                      .oneOf({C2Config::PROFILE_AV1_0,
+                                              C2Config::PROFILE_AV1_1}),
+                                  C2F(mProfileLevel, level)
+                                      .oneOf({
+                                          C2Config::LEVEL_AV1_2,
+                                          C2Config::LEVEL_AV1_2_1,
+                                          C2Config::LEVEL_AV1_2_2,
+                                          C2Config::LEVEL_AV1_3,
+                                          C2Config::LEVEL_AV1_3_1,
+                                          C2Config::LEVEL_AV1_3_2,
+                                      })})
+                     .withSetter(ProfileLevelSetter, mSize)
+                     .build());
+
+    mHdr10PlusInfoInput = C2StreamHdr10PlusInfo::input::AllocShared(0);
+    addParameter(
+        DefineParam(mHdr10PlusInfoInput, C2_PARAMKEY_INPUT_HDR10_PLUS_INFO)
+            .withDefault(mHdr10PlusInfoInput)
+            .withFields({
+                C2F(mHdr10PlusInfoInput, m.value).any(),
+            })
+            .withSetter(Hdr10PlusInfoInputSetter)
+            .build());
+
+    mHdr10PlusInfoOutput = C2StreamHdr10PlusInfo::output::AllocShared(0);
+    addParameter(
+        DefineParam(mHdr10PlusInfoOutput, C2_PARAMKEY_OUTPUT_HDR10_PLUS_INFO)
+            .withDefault(mHdr10PlusInfoOutput)
+            .withFields({
+                C2F(mHdr10PlusInfoOutput, m.value).any(),
+            })
+            .withSetter(Hdr10PlusInfoOutputSetter)
+            .build());
+
+    addParameter(
+        DefineParam(mMaxSize, C2_PARAMKEY_MAX_PICTURE_SIZE)
+            .withDefault(new C2StreamMaxPictureSizeTuning::output(0u, 320, 240))
+            .withFields({
+                C2F(mSize, width).inRange(2, 2048, 2),
+                C2F(mSize, height).inRange(2, 2048, 2),
+            })
+            .withSetter(MaxPictureSizeSetter, mSize)
+            .build());
+
+    addParameter(DefineParam(mMaxInputSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE)
+                     .withDefault(new C2StreamMaxBufferSizeInfo::input(
+                         0u, 320 * 240 * 3 / 4))
+                     .withFields({
+                         C2F(mMaxInputSize, value).any(),
+                     })
+                     .calculatedAs(MaxInputSizeSetter, mMaxSize)
+                     .build());
+
+    C2ChromaOffsetStruct locations[1] = {C2ChromaOffsetStruct::ITU_YUV_420_0()};
+    std::shared_ptr<C2StreamColorInfo::output> defaultColorInfo =
+        C2StreamColorInfo::output::AllocShared(1u, 0u, 8u /* bitDepth */,
+                                               C2Color::YUV_420);
+    memcpy(defaultColorInfo->m.locations, locations, sizeof(locations));
+
+    defaultColorInfo = C2StreamColorInfo::output::AllocShared(
+        {C2ChromaOffsetStruct::ITU_YUV_420_0()}, 0u, 8u /* bitDepth */,
+        C2Color::YUV_420);
+    helper->addStructDescriptors<C2ChromaOffsetStruct>();
+
+    addParameter(DefineParam(mColorInfo, C2_PARAMKEY_CODED_COLOR_INFO)
+                     .withConstValue(defaultColorInfo)
+                     .build());
+
+    addParameter(
+        DefineParam(mDefaultColorAspects, C2_PARAMKEY_DEFAULT_COLOR_ASPECTS)
+            .withDefault(new C2StreamColorAspectsTuning::output(
+                0u, C2Color::RANGE_UNSPECIFIED, C2Color::PRIMARIES_UNSPECIFIED,
+                C2Color::TRANSFER_UNSPECIFIED, C2Color::MATRIX_UNSPECIFIED))
+            .withFields(
+                {C2F(mDefaultColorAspects, range)
+                     .inRange(C2Color::RANGE_UNSPECIFIED, C2Color::RANGE_OTHER),
+                 C2F(mDefaultColorAspects, primaries)
+                     .inRange(C2Color::PRIMARIES_UNSPECIFIED,
+                              C2Color::PRIMARIES_OTHER),
+                 C2F(mDefaultColorAspects, transfer)
+                     .inRange(C2Color::TRANSFER_UNSPECIFIED,
+                              C2Color::TRANSFER_OTHER),
+                 C2F(mDefaultColorAspects, matrix)
+                     .inRange(C2Color::MATRIX_UNSPECIFIED,
+                              C2Color::MATRIX_OTHER)})
+            .withSetter(DefaultColorAspectsSetter)
+            .build());
+
+    // TODO: support more formats?
+    addParameter(DefineParam(mPixelFormat, C2_PARAMKEY_PIXEL_FORMAT)
+                     .withConstValue(new C2StreamPixelFormatInfo::output(
+                         0u, HAL_PIXEL_FORMAT_YCBCR_420_888))
+                     .build());
+  }
+
+  static C2R SizeSetter(bool mayBlock,
+                        const C2P<C2StreamPictureSizeInfo::output> &oldMe,
+                        C2P<C2StreamPictureSizeInfo::output> &me) {
+    (void)mayBlock;
+    C2R res = C2R::Ok();
+    if (!me.F(me.v.width).supportsAtAll(me.v.width)) {
+      res = res.plus(C2SettingResultBuilder::BadValue(me.F(me.v.width)));
+      me.set().width = oldMe.v.width;
+    }
+    if (!me.F(me.v.height).supportsAtAll(me.v.height)) {
+      res = res.plus(C2SettingResultBuilder::BadValue(me.F(me.v.height)));
+      me.set().height = oldMe.v.height;
+    }
+    return res;
+  }
+
+  static C2R MaxPictureSizeSetter(
+      bool mayBlock, C2P<C2StreamMaxPictureSizeTuning::output> &me,
+      const C2P<C2StreamPictureSizeInfo::output> &size) {
+    (void)mayBlock;
+    // TODO: get max width/height from the size's field helpers vs.
+    // hardcoding
+    me.set().width = c2_min(c2_max(me.v.width, size.v.width), 4096u);
+    me.set().height = c2_min(c2_max(me.v.height, size.v.height), 4096u);
+    return C2R::Ok();
+  }
+
+  static C2R MaxInputSizeSetter(
+      bool mayBlock, C2P<C2StreamMaxBufferSizeInfo::input> &me,
+      const C2P<C2StreamMaxPictureSizeTuning::output> &maxSize) {
+    (void)mayBlock;
+    // assume compression ratio of 2
+    me.set().value =
+        (((maxSize.v.width + 63) / 64) * ((maxSize.v.height + 63) / 64) * 3072);
+    return C2R::Ok();
+  }
+
+  static C2R DefaultColorAspectsSetter(
+      bool mayBlock, C2P<C2StreamColorAspectsTuning::output> &me) {
+    (void)mayBlock;
+    if (me.v.range > C2Color::RANGE_OTHER) {
+      me.set().range = C2Color::RANGE_OTHER;
+    }
+    if (me.v.primaries > C2Color::PRIMARIES_OTHER) {
+      me.set().primaries = C2Color::PRIMARIES_OTHER;
+    }
+    if (me.v.transfer > C2Color::TRANSFER_OTHER) {
+      me.set().transfer = C2Color::TRANSFER_OTHER;
+    }
+    if (me.v.matrix > C2Color::MATRIX_OTHER) {
+      me.set().matrix = C2Color::MATRIX_OTHER;
+    }
+    return C2R::Ok();
+  }
+
+  static C2R ProfileLevelSetter(
+      bool mayBlock, C2P<C2StreamProfileLevelInfo::input> &me,
+      const C2P<C2StreamPictureSizeInfo::output> &size) {
+    (void)mayBlock;
+    (void)size;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+  std::shared_ptr<C2StreamColorAspectsTuning::output>
+  getDefaultColorAspects_l() {
+    return mDefaultColorAspects;
+  }
+
+  static C2R Hdr10PlusInfoInputSetter(bool mayBlock,
+                                      C2P<C2StreamHdr10PlusInfo::input> &me) {
+    (void)mayBlock;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+  static C2R Hdr10PlusInfoOutputSetter(bool mayBlock,
+                                       C2P<C2StreamHdr10PlusInfo::output> &me) {
+    (void)mayBlock;
+    (void)me;  // TODO: validate
+    return C2R::Ok();
+  }
+
+ private:
+  std::shared_ptr<C2StreamProfileLevelInfo::input> mProfileLevel;
+  std::shared_ptr<C2StreamPictureSizeInfo::output> mSize;
+  std::shared_ptr<C2StreamMaxPictureSizeTuning::output> mMaxSize;
+  std::shared_ptr<C2StreamMaxBufferSizeInfo::input> mMaxInputSize;
+  std::shared_ptr<C2StreamColorInfo::output> mColorInfo;
+  std::shared_ptr<C2StreamPixelFormatInfo::output> mPixelFormat;
+  std::shared_ptr<C2StreamColorAspectsTuning::output> mDefaultColorAspects;
+  std::shared_ptr<C2StreamHdr10PlusInfo::input> mHdr10PlusInfoInput;
+  std::shared_ptr<C2StreamHdr10PlusInfo::output> mHdr10PlusInfoOutput;
+};
+
+C2SoftGav1Dec::C2SoftGav1Dec(const char *name, c2_node_id_t id,
+                             const std::shared_ptr<IntfImpl> &intfImpl)
+    : SimpleC2Component(
+          std::make_shared<SimpleInterface<IntfImpl>>(name, id, intfImpl)),
+      mIntf(intfImpl) {}
+
+c2_status_t C2SoftGav1Dec::onInit() { return C2_OK; }
+c2_status_t C2SoftGav1Dec::onStop() { return C2_OK; }
+void C2SoftGav1Dec::onReset() {}
+void C2SoftGav1Dec::onRelease(){};
+c2_status_t C2SoftGav1Dec::onFlush_sm() { return C2_OK; }
+void C2SoftGav1Dec::process(const std::unique_ptr<C2Work> & /*work*/,
+                            const std::shared_ptr<C2BlockPool> & /*pool*/) {}
+c2_status_t C2SoftGav1Dec::drain(
+    uint32_t /*drainMode*/, const std::shared_ptr<C2BlockPool> & /*pool*/) {
+  return C2_OK;
+}
+
+class C2SoftGav1Factory : public C2ComponentFactory {
+ public:
+  C2SoftGav1Factory()
+      : mHelper(std::static_pointer_cast<C2ReflectorHelper>(
+            GetCodec2PlatformComponentStore()->getParamReflector())) {}
+
+  virtual c2_status_t createComponent(
+      c2_node_id_t id, std::shared_ptr<C2Component> *const component,
+      std::function<void(C2Component *)> deleter) override {
+    *component = std::shared_ptr<C2Component>(
+        new C2SoftGav1Dec(COMPONENT_NAME, id,
+                          std::make_shared<C2SoftGav1Dec::IntfImpl>(mHelper)),
+        deleter);
+    return C2_OK;
+  }
+
+  virtual c2_status_t createInterface(
+      c2_node_id_t id, std::shared_ptr<C2ComponentInterface> *const interface,
+      std::function<void(C2ComponentInterface *)> deleter) override {
+    *interface = std::shared_ptr<C2ComponentInterface>(
+        new SimpleInterface<C2SoftGav1Dec::IntfImpl>(
+            COMPONENT_NAME, id,
+            std::make_shared<C2SoftGav1Dec::IntfImpl>(mHelper)),
+        deleter);
+    return C2_OK;
+  }
+
+  virtual ~C2SoftGav1Factory() override = default;
+
+ private:
+  std::shared_ptr<C2ReflectorHelper> mHelper;
+};
+
+}  // namespace android
+
+extern "C" ::C2ComponentFactory *CreateCodec2Factory() {
+  ALOGV("in %s", __func__);
+  return new ::android::C2SoftGav1Factory();
+}
+
+extern "C" void DestroyCodec2Factory(::C2ComponentFactory *factory) {
+  ALOGV("in %s", __func__);
+  delete factory;
+}
diff --git a/media/codec2/components/gav1/C2SoftGav1Dec.h b/media/codec2/components/gav1/C2SoftGav1Dec.h
new file mode 100644
index 0000000..40b217c
--- /dev/null
+++ b/media/codec2/components/gav1/C2SoftGav1Dec.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2019 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 ANDROID_C2_SOFT_GAV1_DEC_H_
+#define ANDROID_C2_SOFT_GAV1_DEC_H_
+
+#include <SimpleC2Component.h>
+
+namespace android {
+
+struct C2SoftGav1Dec : public SimpleC2Component {
+  class IntfImpl;
+
+  C2SoftGav1Dec(const char* name, c2_node_id_t id,
+                const std::shared_ptr<IntfImpl>& intfImpl);
+
+  // Begin SimpleC2Component overrides.
+  c2_status_t onInit() override;
+  c2_status_t onStop() override;
+  void onReset() override;
+  void onRelease() override;
+  c2_status_t onFlush_sm() override;
+  void process(const std::unique_ptr<C2Work>& work,
+               const std::shared_ptr<C2BlockPool>& pool) override;
+  c2_status_t drain(uint32_t drainMode,
+                    const std::shared_ptr<C2BlockPool>& pool) override;
+  // End SimpleC2Component overrides.
+
+ private:
+  std::shared_ptr<IntfImpl> mIntf;
+
+  uint32_t mWidth;
+  uint32_t mHeight;
+  bool mSignalledOutputEos;
+  bool mSignalledError;
+
+  struct timeval mTimeStart;  // Time at the start of decode()
+  struct timeval mTimeEnd;    // Time at the end of decode()
+
+  bool initDecoder();
+  void destroyDecoder();
+  void finishWork(uint64_t index, const std::unique_ptr<C2Work>& work,
+                  const std::shared_ptr<C2GraphicBlock>& block);
+  bool outputBuffer(const std::shared_ptr<C2BlockPool>& pool,
+                    const std::unique_ptr<C2Work>& work);
+  c2_status_t drainInternal(uint32_t drainMode,
+                            const std::shared_ptr<C2BlockPool>& pool,
+                            const std::unique_ptr<C2Work>& work);
+
+  C2_DO_NOT_COPY(C2SoftGav1Dec);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_C2_SOFT_GAV1_DEC_H_