Move Codec2-related code from hardware/google/av

Test: None
Bug: 112362730
Change-Id: Ie2f8ff431d65c40333f267ab9877d47089adeea4
diff --git a/media/codec2/components/hevc/Android.bp b/media/codec2/components/hevc/Android.bp
new file mode 100644
index 0000000..519de68
--- /dev/null
+++ b/media/codec2/components/hevc/Android.bp
@@ -0,0 +1,16 @@
+cc_library_shared {
+    name: "libstagefright_soft_c2hevcdec",
+    defaults: [
+        "libstagefright_soft_c2-defaults",
+        "libstagefright_soft_c2_sanitize_signed-defaults",
+    ],
+
+    srcs: ["C2SoftHevcDec.cpp"],
+
+    static_libs: ["libhevcdec"],
+
+    include_dirs: [
+        "external/libhevc/decoder",
+        "external/libhevc/common",
+    ],
+}
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.cpp b/media/codec2/components/hevc/C2SoftHevcDec.cpp
new file mode 100644
index 0000000..99892ce
--- /dev/null
+++ b/media/codec2/components/hevc/C2SoftHevcDec.cpp
@@ -0,0 +1,976 @@
+/*
+ * Copyright (C) 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.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "C2SoftHevcDec"
+#include <log/log.h>
+
+#include <media/stagefright/foundation/MediaDefs.h>
+
+#include <C2Debug.h>
+#include <C2PlatformSupport.h>
+#include <Codec2Mapper.h>
+#include <SimpleC2Interface.h>
+
+#include "C2SoftHevcDec.h"
+#include "ihevcd_cxa.h"
+
+namespace android {
+
+namespace {
+
+constexpr char COMPONENT_NAME[] = "c2.android.hevc.decoder";
+
+}  // namespace
+
+class C2SoftHevcDec::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_HEVC) {
+        noPrivateBuffers(); // TODO: account for our buffers here
+        noInputReferences();
+        noOutputReferences();
+        noInputLatency();
+        noTimeStretch();
+
+        // TODO: output latency and reordering
+
+        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, 4096, 2),
+                    C2F(mSize, height).inRange(2, 4096, 2),
+                })
+                .withSetter(SizeSetter)
+                .build());
+
+        addParameter(
+                DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL)
+                .withDefault(new C2StreamProfileLevelInfo::input(0u,
+                        C2Config::PROFILE_HEVC_MAIN, C2Config::LEVEL_HEVC_MAIN_5_1))
+                .withFields({
+                    C2F(mProfileLevel, profile).oneOf({
+                            C2Config::PROFILE_HEVC_MAIN,
+                            C2Config::PROFILE_HEVC_MAIN_STILL}),
+                    C2F(mProfileLevel, level).oneOf({
+                            C2Config::LEVEL_HEVC_MAIN_1,
+                            C2Config::LEVEL_HEVC_MAIN_2, C2Config::LEVEL_HEVC_MAIN_2_1,
+                            C2Config::LEVEL_HEVC_MAIN_3, C2Config::LEVEL_HEVC_MAIN_3_1,
+                            C2Config::LEVEL_HEVC_MAIN_4, C2Config::LEVEL_HEVC_MAIN_4_1,
+                            C2Config::LEVEL_HEVC_MAIN_5, C2Config::LEVEL_HEVC_MAIN_5_1,
+                            C2Config::LEVEL_HEVC_MAIN_5_2, C2Config::LEVEL_HEVC_HIGH_4,
+                            C2Config::LEVEL_HEVC_HIGH_4_1, C2Config::LEVEL_HEVC_HIGH_5,
+                            C2Config::LEVEL_HEVC_HIGH_5_1, C2Config::LEVEL_HEVC_HIGH_5_2
+                    })
+                })
+                .withSetter(ProfileLevelSetter, mSize)
+                .build());
+
+        addParameter(
+                DefineParam(mMaxSize, C2_PARAMKEY_MAX_PICTURE_SIZE)
+                .withDefault(new C2StreamMaxPictureSizeTuning::output(0u, 320, 240))
+                .withFields({
+                    C2F(mSize, width).inRange(2, 4096, 2),
+                    C2F(mSize, height).inRange(2, 4096, 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());
+
+        addParameter(
+                DefineParam(mCodedColorAspects, C2_PARAMKEY_VUI_COLOR_ASPECTS)
+                .withDefault(new C2StreamColorAspectsInfo::input(
+                        0u, C2Color::RANGE_LIMITED, C2Color::PRIMARIES_UNSPECIFIED,
+                        C2Color::TRANSFER_UNSPECIFIED, C2Color::MATRIX_UNSPECIFIED))
+                .withFields({
+                    C2F(mCodedColorAspects, range).inRange(
+                                C2Color::RANGE_UNSPECIFIED,     C2Color::RANGE_OTHER),
+                    C2F(mCodedColorAspects, primaries).inRange(
+                                C2Color::PRIMARIES_UNSPECIFIED, C2Color::PRIMARIES_OTHER),
+                    C2F(mCodedColorAspects, transfer).inRange(
+                                C2Color::TRANSFER_UNSPECIFIED,  C2Color::TRANSFER_OTHER),
+                    C2F(mCodedColorAspects, matrix).inRange(
+                                C2Color::MATRIX_UNSPECIFIED,    C2Color::MATRIX_OTHER)
+                })
+                .withSetter(CodedColorAspectsSetter)
+                .build());
+
+        addParameter(
+                DefineParam(mColorAspects, C2_PARAMKEY_COLOR_ASPECTS)
+                .withDefault(new C2StreamColorAspectsInfo::output(
+                        0u, C2Color::RANGE_UNSPECIFIED, C2Color::PRIMARIES_UNSPECIFIED,
+                        C2Color::TRANSFER_UNSPECIFIED, C2Color::MATRIX_UNSPECIFIED))
+                .withFields({
+                    C2F(mColorAspects, range).inRange(
+                                C2Color::RANGE_UNSPECIFIED,     C2Color::RANGE_OTHER),
+                    C2F(mColorAspects, primaries).inRange(
+                                C2Color::PRIMARIES_UNSPECIFIED, C2Color::PRIMARIES_OTHER),
+                    C2F(mColorAspects, transfer).inRange(
+                                C2Color::TRANSFER_UNSPECIFIED,  C2Color::TRANSFER_OTHER),
+                    C2F(mColorAspects, matrix).inRange(
+                                C2Color::MATRIX_UNSPECIFIED,    C2Color::MATRIX_OTHER)
+                })
+                .withSetter(ColorAspectsSetter, mDefaultColorAspects, mCodedColorAspects)
+                .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<C2VideoSizeStreamInfo::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 ProfileLevelSetter(bool mayBlock, C2P<C2StreamProfileLevelInfo::input> &me,
+                                  const C2P<C2StreamPictureSizeInfo::output> &size) {
+        (void)mayBlock;
+        (void)size;
+        (void)me;  // TODO: validate
+        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 CodedColorAspectsSetter(bool mayBlock, C2P<C2StreamColorAspectsInfo::input> &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 ColorAspectsSetter(bool mayBlock, C2P<C2StreamColorAspectsInfo::output> &me,
+                                  const C2P<C2StreamColorAspectsTuning::output> &def,
+                                  const C2P<C2StreamColorAspectsInfo::input> &coded) {
+        (void)mayBlock;
+        // take default values for all unspecified fields, and coded values for specified ones
+        me.set().range = coded.v.range == RANGE_UNSPECIFIED ? def.v.range : coded.v.range;
+        me.set().primaries = coded.v.primaries == PRIMARIES_UNSPECIFIED
+                ? def.v.primaries : coded.v.primaries;
+        me.set().transfer = coded.v.transfer == TRANSFER_UNSPECIFIED
+                ? def.v.transfer : coded.v.transfer;
+        me.set().matrix = coded.v.matrix == MATRIX_UNSPECIFIED ? def.v.matrix : coded.v.matrix;
+        return C2R::Ok();
+    }
+
+    std::shared_ptr<C2StreamColorAspectsInfo::output> getColorAspects_l() {
+        return mColorAspects;
+    }
+
+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<C2StreamColorAspectsInfo::input> mCodedColorAspects;
+    std::shared_ptr<C2StreamColorAspectsTuning::output> mDefaultColorAspects;
+    std::shared_ptr<C2StreamColorAspectsInfo::output> mColorAspects;
+    std::shared_ptr<C2StreamPixelFormatInfo::output> mPixelFormat;
+};
+
+static size_t getCpuCoreCount() {
+    long cpuCoreCount = 1;
+#if defined(_SC_NPROCESSORS_ONLN)
+    cpuCoreCount = sysconf(_SC_NPROCESSORS_ONLN);
+#else
+    // _SC_NPROC_ONLN must be defined...
+    cpuCoreCount = sysconf(_SC_NPROC_ONLN);
+#endif
+    CHECK(cpuCoreCount >= 1);
+    ALOGV("Number of CPU cores: %ld", cpuCoreCount);
+    return (size_t)cpuCoreCount;
+}
+
+static void *ivd_aligned_malloc(void *ctxt, WORD32 alignment, WORD32 size) {
+    (void) ctxt;
+    return memalign(alignment, size);
+}
+
+static void ivd_aligned_free(void *ctxt, void *mem) {
+    (void) ctxt;
+    free(mem);
+}
+
+C2SoftHevcDec::C2SoftHevcDec(
+        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),
+        mDecHandle(nullptr),
+        mOutBufferFlush(nullptr),
+        mIvColorformat(IV_YUV_420P),
+        mWidth(320),
+        mHeight(240),
+        mHeaderDecoded(false) {
+}
+
+C2SoftHevcDec::~C2SoftHevcDec() {
+    onRelease();
+}
+
+c2_status_t C2SoftHevcDec::onInit() {
+    status_t err = initDecoder();
+    return err == OK ? C2_OK : C2_CORRUPTED;
+}
+
+c2_status_t C2SoftHevcDec::onStop() {
+    if (OK != resetDecoder()) return C2_CORRUPTED;
+    resetPlugin();
+    return C2_OK;
+}
+
+void C2SoftHevcDec::onReset() {
+    (void) onStop();
+}
+
+void C2SoftHevcDec::onRelease() {
+    (void) deleteDecoder();
+    if (mOutBufferFlush) {
+        ivd_aligned_free(nullptr, mOutBufferFlush);
+        mOutBufferFlush = nullptr;
+    }
+    if (mOutBlock) {
+        mOutBlock.reset();
+    }
+}
+
+c2_status_t C2SoftHevcDec::onFlush_sm() {
+    if (OK != setFlushMode()) return C2_CORRUPTED;
+
+    uint32_t displayStride = mStride;
+    uint32_t displayHeight = mHeight;
+    uint32_t bufferSize = displayStride * displayHeight * 3 / 2;
+    mOutBufferFlush = (uint8_t *)ivd_aligned_malloc(nullptr, 128, bufferSize);
+    if (!mOutBufferFlush) {
+        ALOGE("could not allocate tmp output buffer (for flush) of size %u ", bufferSize);
+        return C2_NO_MEMORY;
+    }
+
+    while (true) {
+        ivd_video_decode_ip_t s_decode_ip;
+        ivd_video_decode_op_t s_decode_op;
+
+        setDecodeArgs(&s_decode_ip, &s_decode_op, nullptr, nullptr, 0, 0, 0);
+        (void) ivdec_api_function(mDecHandle, &s_decode_ip, &s_decode_op);
+        if (0 == s_decode_op.u4_output_present) {
+            resetPlugin();
+            break;
+        }
+    }
+
+    if (mOutBufferFlush) {
+        ivd_aligned_free(nullptr, mOutBufferFlush);
+        mOutBufferFlush = nullptr;
+    }
+
+    return C2_OK;
+}
+
+status_t C2SoftHevcDec::createDecoder() {
+    ivdext_create_ip_t s_create_ip;
+    ivdext_create_op_t s_create_op;
+
+    s_create_ip.s_ivd_create_ip_t.u4_size = sizeof(ivdext_create_ip_t);
+    s_create_ip.s_ivd_create_ip_t.e_cmd = IVD_CMD_CREATE;
+    s_create_ip.s_ivd_create_ip_t.u4_share_disp_buf = 0;
+    s_create_ip.s_ivd_create_ip_t.e_output_format = mIvColorformat;
+    s_create_ip.s_ivd_create_ip_t.pf_aligned_alloc = ivd_aligned_malloc;
+    s_create_ip.s_ivd_create_ip_t.pf_aligned_free = ivd_aligned_free;
+    s_create_ip.s_ivd_create_ip_t.pv_mem_ctxt = nullptr;
+    s_create_op.s_ivd_create_op_t.u4_size = sizeof(ivdext_create_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_create_ip,
+                                                     &s_create_op);
+    if (status != IV_SUCCESS) {
+        ALOGE("error in %s: 0x%x", __func__,
+              s_create_op.s_ivd_create_op_t.u4_error_code);
+        return UNKNOWN_ERROR;
+    }
+    mDecHandle = (iv_obj_t*)s_create_op.s_ivd_create_op_t.pv_handle;
+    mDecHandle->pv_fxns = (void *)ivdec_api_function;
+    mDecHandle->u4_size = sizeof(iv_obj_t);
+
+    return OK;
+}
+
+status_t C2SoftHevcDec::setNumCores() {
+    ivdext_ctl_set_num_cores_ip_t s_set_num_cores_ip;
+    ivdext_ctl_set_num_cores_op_t s_set_num_cores_op;
+
+    s_set_num_cores_ip.u4_size = sizeof(ivdext_ctl_set_num_cores_ip_t);
+    s_set_num_cores_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_set_num_cores_ip.e_sub_cmd = IVDEXT_CMD_CTL_SET_NUM_CORES;
+    s_set_num_cores_ip.u4_num_cores = mNumCores;
+    s_set_num_cores_op.u4_size = sizeof(ivdext_ctl_set_num_cores_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_set_num_cores_ip,
+                                                     &s_set_num_cores_op);
+    if (IV_SUCCESS != status) {
+        ALOGD("error in %s: 0x%x", __func__, s_set_num_cores_op.u4_error_code);
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
+status_t C2SoftHevcDec::setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode) {
+    ivd_ctl_set_config_ip_t s_set_dyn_params_ip;
+    ivd_ctl_set_config_op_t s_set_dyn_params_op;
+
+    s_set_dyn_params_ip.u4_size = sizeof(ivd_ctl_set_config_ip_t);
+    s_set_dyn_params_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_set_dyn_params_ip.e_sub_cmd = IVD_CMD_CTL_SETPARAMS;
+    s_set_dyn_params_ip.u4_disp_wd = (UWORD32) stride;
+    s_set_dyn_params_ip.e_frm_skip_mode = IVD_SKIP_NONE;
+    s_set_dyn_params_ip.e_frm_out_mode = IVD_DISPLAY_FRAME_OUT;
+    s_set_dyn_params_ip.e_vid_dec_mode = dec_mode;
+    s_set_dyn_params_op.u4_size = sizeof(ivd_ctl_set_config_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_set_dyn_params_ip,
+                                                     &s_set_dyn_params_op);
+    if (status != IV_SUCCESS) {
+        ALOGE("error in %s: 0x%x", __func__, s_set_dyn_params_op.u4_error_code);
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
+status_t C2SoftHevcDec::getVersion() {
+    ivd_ctl_getversioninfo_ip_t s_get_versioninfo_ip;
+    ivd_ctl_getversioninfo_op_t s_get_versioninfo_op;
+    UWORD8 au1_buf[512];
+
+    s_get_versioninfo_ip.u4_size = sizeof(ivd_ctl_getversioninfo_ip_t);
+    s_get_versioninfo_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_get_versioninfo_ip.e_sub_cmd = IVD_CMD_CTL_GETVERSION;
+    s_get_versioninfo_ip.pv_version_buffer = au1_buf;
+    s_get_versioninfo_ip.u4_version_buffer_size = sizeof(au1_buf);
+    s_get_versioninfo_op.u4_size = sizeof(ivd_ctl_getversioninfo_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_get_versioninfo_ip,
+                                                     &s_get_versioninfo_op);
+    if (status != IV_SUCCESS) {
+        ALOGD("error in %s: 0x%x", __func__,
+              s_get_versioninfo_op.u4_error_code);
+    } else {
+        ALOGV("ittiam decoder version number: %s",
+              (char *) s_get_versioninfo_ip.pv_version_buffer);
+    }
+
+    return OK;
+}
+
+status_t C2SoftHevcDec::initDecoder() {
+    if (OK != createDecoder()) return UNKNOWN_ERROR;
+    mNumCores = MIN(getCpuCoreCount(), MAX_NUM_CORES);
+    mStride = ALIGN64(mWidth);
+    mSignalledError = false;
+    resetPlugin();
+    (void) setNumCores();
+    if (OK != setParams(mStride, IVD_DECODE_FRAME)) return UNKNOWN_ERROR;
+    (void) getVersion();
+
+    return OK;
+}
+
+bool C2SoftHevcDec::setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
+                                  ivd_video_decode_op_t *ps_decode_op,
+                                  C2ReadView *inBuffer,
+                                  C2GraphicView *outBuffer,
+                                  size_t inOffset,
+                                  size_t inSize,
+                                  uint32_t tsMarker) {
+    uint32_t displayStride = mStride;
+    uint32_t displayHeight = mHeight;
+    size_t lumaSize = displayStride * displayHeight;
+    size_t chromaSize = lumaSize >> 2;
+
+    ps_decode_ip->u4_size = sizeof(ivd_video_decode_ip_t);
+    ps_decode_ip->e_cmd = IVD_CMD_VIDEO_DECODE;
+    if (inBuffer) {
+        ps_decode_ip->u4_ts = tsMarker;
+        ps_decode_ip->pv_stream_buffer = const_cast<uint8_t *>(inBuffer->data() + inOffset);
+        ps_decode_ip->u4_num_Bytes = inSize;
+    } else {
+        ps_decode_ip->u4_ts = 0;
+        ps_decode_ip->pv_stream_buffer = nullptr;
+        ps_decode_ip->u4_num_Bytes = 0;
+    }
+    ps_decode_ip->s_out_buffer.u4_min_out_buf_size[0] = lumaSize;
+    ps_decode_ip->s_out_buffer.u4_min_out_buf_size[1] = chromaSize;
+    ps_decode_ip->s_out_buffer.u4_min_out_buf_size[2] = chromaSize;
+    if (outBuffer) {
+        if (outBuffer->width() < displayStride || outBuffer->height() < displayHeight) {
+            ALOGE("Output buffer too small: provided (%dx%d) required (%ux%u)",
+                  outBuffer->width(), outBuffer->height(), displayStride, displayHeight);
+            return false;
+        }
+        ps_decode_ip->s_out_buffer.pu1_bufs[0] = outBuffer->data()[C2PlanarLayout::PLANE_Y];
+        ps_decode_ip->s_out_buffer.pu1_bufs[1] = outBuffer->data()[C2PlanarLayout::PLANE_U];
+        ps_decode_ip->s_out_buffer.pu1_bufs[2] = outBuffer->data()[C2PlanarLayout::PLANE_V];
+    } else {
+        ps_decode_ip->s_out_buffer.pu1_bufs[0] = mOutBufferFlush;
+        ps_decode_ip->s_out_buffer.pu1_bufs[1] = mOutBufferFlush + lumaSize;
+        ps_decode_ip->s_out_buffer.pu1_bufs[2] = mOutBufferFlush + lumaSize + chromaSize;
+    }
+    ps_decode_ip->s_out_buffer.u4_num_bufs = 3;
+    ps_decode_op->u4_size = sizeof(ivd_video_decode_op_t);
+    ps_decode_op->u4_output_present = 0;
+
+    return true;
+}
+
+bool C2SoftHevcDec::getVuiParams() {
+    ivdext_ctl_get_vui_params_ip_t s_get_vui_params_ip;
+    ivdext_ctl_get_vui_params_op_t s_get_vui_params_op;
+
+    s_get_vui_params_ip.u4_size = sizeof(ivdext_ctl_get_vui_params_ip_t);
+    s_get_vui_params_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_get_vui_params_ip.e_sub_cmd =
+            (IVD_CONTROL_API_COMMAND_TYPE_T) IHEVCD_CXA_CMD_CTL_GET_VUI_PARAMS;
+    s_get_vui_params_op.u4_size = sizeof(ivdext_ctl_get_vui_params_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_get_vui_params_ip,
+                                                     &s_get_vui_params_op);
+    if (status != IV_SUCCESS) {
+        ALOGD("error in %s: 0x%x", __func__, s_get_vui_params_op.u4_error_code);
+        return false;
+    }
+
+    VuiColorAspects vuiColorAspects;
+    vuiColorAspects.primaries = s_get_vui_params_op.u1_colour_primaries;
+    vuiColorAspects.transfer = s_get_vui_params_op.u1_transfer_characteristics;
+    vuiColorAspects.coeffs = s_get_vui_params_op.u1_matrix_coefficients;
+    vuiColorAspects.fullRange = s_get_vui_params_op.u1_video_full_range_flag;
+
+    // convert vui aspects to C2 values if changed
+    if (!(vuiColorAspects == mBitstreamColorAspects)) {
+        mBitstreamColorAspects = vuiColorAspects;
+        ColorAspects sfAspects;
+        C2StreamColorAspectsInfo::input codedAspects = { 0u };
+        ColorUtils::convertIsoColorAspectsToCodecAspects(
+                vuiColorAspects.primaries, vuiColorAspects.transfer, vuiColorAspects.coeffs,
+                vuiColorAspects.fullRange, sfAspects);
+        if (!C2Mapper::map(sfAspects.mPrimaries, &codedAspects.primaries)) {
+            codedAspects.primaries = C2Color::PRIMARIES_UNSPECIFIED;
+        }
+        if (!C2Mapper::map(sfAspects.mRange, &codedAspects.range)) {
+            codedAspects.range = C2Color::RANGE_UNSPECIFIED;
+        }
+        if (!C2Mapper::map(sfAspects.mMatrixCoeffs, &codedAspects.matrix)) {
+            codedAspects.matrix = C2Color::MATRIX_UNSPECIFIED;
+        }
+        if (!C2Mapper::map(sfAspects.mTransfer, &codedAspects.transfer)) {
+            codedAspects.transfer = C2Color::TRANSFER_UNSPECIFIED;
+        }
+        std::vector<std::unique_ptr<C2SettingResult>> failures;
+        (void)mIntf->config({&codedAspects}, C2_MAY_BLOCK, &failures);
+    }
+    return true;
+}
+
+status_t C2SoftHevcDec::setFlushMode() {
+    ivd_ctl_flush_ip_t s_set_flush_ip;
+    ivd_ctl_flush_op_t s_set_flush_op;
+
+    s_set_flush_ip.u4_size = sizeof(ivd_ctl_flush_ip_t);
+    s_set_flush_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_set_flush_ip.e_sub_cmd = IVD_CMD_CTL_FLUSH;
+    s_set_flush_op.u4_size = sizeof(ivd_ctl_flush_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_set_flush_ip,
+                                                     &s_set_flush_op);
+    if (status != IV_SUCCESS) {
+        ALOGE("error in %s: 0x%x", __func__, s_set_flush_op.u4_error_code);
+        return UNKNOWN_ERROR;
+    }
+
+    return OK;
+}
+
+status_t C2SoftHevcDec::resetDecoder() {
+    ivd_ctl_reset_ip_t s_reset_ip;
+    ivd_ctl_reset_op_t s_reset_op;
+
+    s_reset_ip.u4_size = sizeof(ivd_ctl_reset_ip_t);
+    s_reset_ip.e_cmd = IVD_CMD_VIDEO_CTL;
+    s_reset_ip.e_sub_cmd = IVD_CMD_CTL_RESET;
+    s_reset_op.u4_size = sizeof(ivd_ctl_reset_op_t);
+    IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                     &s_reset_ip,
+                                                     &s_reset_op);
+    if (IV_SUCCESS != status) {
+        ALOGE("error in %s: 0x%x", __func__, s_reset_op.u4_error_code);
+        return UNKNOWN_ERROR;
+    }
+    mStride = 0;
+    (void) setNumCores();
+    mSignalledError = false;
+    mHeaderDecoded = false;
+    return OK;
+}
+
+void C2SoftHevcDec::resetPlugin() {
+    mSignalledOutputEos = false;
+    gettimeofday(&mTimeStart, nullptr);
+    gettimeofday(&mTimeEnd, nullptr);
+}
+
+status_t C2SoftHevcDec::deleteDecoder() {
+    if (mDecHandle) {
+        ivdext_delete_ip_t s_delete_ip;
+        ivdext_delete_op_t s_delete_op;
+
+        s_delete_ip.s_ivd_delete_ip_t.u4_size = sizeof(ivdext_delete_ip_t);
+        s_delete_ip.s_ivd_delete_ip_t.e_cmd = IVD_CMD_DELETE;
+        s_delete_op.s_ivd_delete_op_t.u4_size = sizeof(ivdext_delete_op_t);
+        IV_API_CALL_STATUS_T status = ivdec_api_function(mDecHandle,
+                                                         &s_delete_ip,
+                                                         &s_delete_op);
+        if (status != IV_SUCCESS) {
+            ALOGE("error in %s: 0x%x", __func__,
+                  s_delete_op.s_ivd_delete_op_t.u4_error_code);
+            return UNKNOWN_ERROR;
+        }
+        mDecHandle = nullptr;
+    }
+
+    return OK;
+}
+
+void fillEmptyWork(const std::unique_ptr<C2Work> &work) {
+    uint32_t flags = 0;
+    if (work->input.flags & C2FrameData::FLAG_END_OF_STREAM) {
+        flags |= C2FrameData::FLAG_END_OF_STREAM;
+        ALOGV("signalling eos");
+    }
+    work->worklets.front()->output.flags = (C2FrameData::flags_t)flags;
+    work->worklets.front()->output.buffers.clear();
+    work->worklets.front()->output.ordinal = work->input.ordinal;
+    work->workletsProcessed = 1u;
+}
+
+void C2SoftHevcDec::finishWork(uint64_t index, const std::unique_ptr<C2Work> &work) {
+    std::shared_ptr<C2Buffer> buffer = createGraphicBuffer(std::move(mOutBlock),
+                                                           C2Rect(mWidth, mHeight));
+    mOutBlock = nullptr;
+    {
+        IntfImpl::Lock lock = mIntf->lock();
+        buffer->setInfo(mIntf->getColorAspects_l());
+    }
+
+    auto fillWork = [buffer](const std::unique_ptr<C2Work> &work) {
+        work->worklets.front()->output.flags = (C2FrameData::flags_t)0;
+        work->worklets.front()->output.buffers.clear();
+        work->worklets.front()->output.buffers.push_back(buffer);
+        work->worklets.front()->output.ordinal = work->input.ordinal;
+        work->workletsProcessed = 1u;
+    };
+    if (work && c2_cntr64_t(index) == work->input.ordinal.frameIndex) {
+        fillWork(work);
+    } else {
+        finish(index, fillWork);
+    }
+}
+
+c2_status_t C2SoftHevcDec::ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool) {
+    if (!mDecHandle) {
+        ALOGE("not supposed to be here, invalid decoder context");
+        return C2_CORRUPTED;
+    }
+    if (mStride != ALIGN64(mWidth)) {
+        mStride = ALIGN64(mWidth);
+        if (OK != setParams(mStride, IVD_DECODE_FRAME)) return C2_CORRUPTED;
+    }
+    if (mOutBlock &&
+            (mOutBlock->width() != mStride || mOutBlock->height() != mHeight)) {
+        mOutBlock.reset();
+    }
+    if (!mOutBlock) {
+        uint32_t format = HAL_PIXEL_FORMAT_YV12;
+        C2MemoryUsage usage = { C2MemoryUsage::CPU_READ, C2MemoryUsage::CPU_WRITE };
+        c2_status_t err = pool->fetchGraphicBlock(mStride, mHeight, format, usage, &mOutBlock);
+        if (err != C2_OK) {
+            ALOGE("fetchGraphicBlock for Output failed with status %d", err);
+            return err;
+        }
+        ALOGV("provided (%dx%d) required (%dx%d)",
+              mOutBlock->width(), mOutBlock->height(), mStride, mHeight);
+    }
+
+    return C2_OK;
+}
+
+// TODO: can overall error checking be improved?
+// TODO: allow configuration of color format and usage for graphic buffers instead
+//       of hard coding them to HAL_PIXEL_FORMAT_YV12
+// TODO: pass coloraspects information to surface
+// TODO: test support for dynamic change in resolution
+// TODO: verify if the decoder sent back all frames
+void C2SoftHevcDec::process(
+        const std::unique_ptr<C2Work> &work,
+        const std::shared_ptr<C2BlockPool> &pool) {
+    // Initialize output work
+    work->result = C2_OK;
+    work->workletsProcessed = 0u;
+    work->worklets.front()->output.configUpdate.clear();
+    work->worklets.front()->output.flags = work->input.flags;
+
+    if (mSignalledError || mSignalledOutputEos) {
+        work->result = C2_BAD_VALUE;
+        return;
+    }
+
+    size_t inOffset = 0u;
+    size_t inSize = 0u;
+    uint32_t workIndex = work->input.ordinal.frameIndex.peeku() & 0xFFFFFFFF;
+    C2ReadView rView = mDummyReadView;
+    if (!work->input.buffers.empty()) {
+        rView = work->input.buffers[0]->data().linearBlocks().front().map().get();
+        inSize = rView.capacity();
+        if (inSize && rView.error()) {
+            ALOGE("read view map failed %d", rView.error());
+            work->result = rView.error();
+            return;
+        }
+    }
+    bool eos = ((work->input.flags & C2FrameData::FLAG_END_OF_STREAM) != 0);
+    bool hasPicture = false;
+
+    ALOGV("in buffer attr. size %zu timestamp %d frameindex %d, flags %x",
+          inSize, (int)work->input.ordinal.timestamp.peeku(),
+          (int)work->input.ordinal.frameIndex.peeku(), work->input.flags);
+    size_t inPos = 0;
+    while (inPos < inSize) {
+        if (C2_OK != ensureDecoderState(pool)) {
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            work->result = C2_CORRUPTED;
+            return;
+        }
+        C2GraphicView wView = mOutBlock->map().get();
+        if (wView.error()) {
+            ALOGE("graphic view map failed %d", wView.error());
+            work->result = wView.error();
+            return;
+        }
+        ivd_video_decode_ip_t s_decode_ip;
+        ivd_video_decode_op_t s_decode_op;
+        if (!setDecodeArgs(&s_decode_ip, &s_decode_op, &rView, &wView,
+                           inOffset + inPos, inSize - inPos, workIndex)) {
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            work->result = C2_CORRUPTED;
+            return;
+        }
+
+        if (false == mHeaderDecoded) {
+            /* Decode header and get dimensions */
+            setParams(mStride, IVD_DECODE_HEADER);
+        }
+        WORD32 delay;
+        GETTIME(&mTimeStart, nullptr);
+        TIME_DIFF(mTimeEnd, mTimeStart, delay);
+        (void) ivdec_api_function(mDecHandle, &s_decode_ip, &s_decode_op);
+        WORD32 decodeTime;
+        GETTIME(&mTimeEnd, nullptr);
+        TIME_DIFF(mTimeStart, mTimeEnd, decodeTime);
+        ALOGV("decodeTime=%6d delay=%6d numBytes=%6d", decodeTime, delay,
+              s_decode_op.u4_num_bytes_consumed);
+        if (IVD_MEM_ALLOC_FAILED == (s_decode_op.u4_error_code & 0xFF)) {
+            ALOGE("allocation failure in decoder");
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            work->result = C2_CORRUPTED;
+            return;
+        } else if (IVD_STREAM_WIDTH_HEIGHT_NOT_SUPPORTED == (s_decode_op.u4_error_code & 0xFF)) {
+            ALOGE("unsupported resolution : %dx%d", mWidth, mHeight);
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            work->result = C2_CORRUPTED;
+            return;
+        } else if (IVD_RES_CHANGED == (s_decode_op.u4_error_code & 0xFF)) {
+            ALOGV("resolution changed");
+            drainInternal(DRAIN_COMPONENT_NO_EOS, pool, work);
+            resetDecoder();
+            resetPlugin();
+            work->workletsProcessed = 0u;
+
+            /* Decode header and get new dimensions */
+            setParams(mStride, IVD_DECODE_HEADER);
+            (void) ivdec_api_function(mDecHandle, &s_decode_ip, &s_decode_op);
+        }
+        if (0 < s_decode_op.u4_pic_wd && 0 < s_decode_op.u4_pic_ht) {
+            if (mHeaderDecoded == false) {
+                mHeaderDecoded = true;
+                setParams(ALIGN64(s_decode_op.u4_pic_wd), IVD_DECODE_FRAME);
+            }
+            if (s_decode_op.u4_pic_wd != mWidth ||  s_decode_op.u4_pic_ht != mHeight) {
+                mWidth = s_decode_op.u4_pic_wd;
+                mHeight = s_decode_op.u4_pic_ht;
+                CHECK_EQ(0u, s_decode_op.u4_output_present);
+
+                C2VideoSizeStreamInfo::output size(0u, mWidth, mHeight);
+                std::vector<std::unique_ptr<C2SettingResult>> failures;
+                c2_status_t err =
+                    mIntf->config({&size}, C2_MAY_BLOCK, &failures);
+                if (err == OK) {
+                    work->worklets.front()->output.configUpdate.push_back(
+                        C2Param::Copy(size));
+                } else {
+                    ALOGE("Cannot set width and height");
+                    mSignalledError = true;
+                    work->workletsProcessed = 1u;
+                    work->result = C2_CORRUPTED;
+                    return;
+                }
+                continue;
+            }
+        }
+        (void) getVuiParams();
+        hasPicture |= (1 == s_decode_op.u4_frame_decoded_flag);
+        if (s_decode_op.u4_output_present) {
+            finishWork(s_decode_op.u4_ts, work);
+        }
+        if (0 == s_decode_op.u4_num_bytes_consumed) {
+            ALOGD("Bytes consumed is zero. Ignoring remaining bytes");
+            break;
+        }
+        inPos += s_decode_op.u4_num_bytes_consumed;
+        if (hasPicture && (inSize - inPos)) {
+            ALOGD("decoded frame in current access nal, ignoring further trailing bytes %d",
+                  (int)inSize - (int)inPos);
+            break;
+        }
+    }
+
+    if (eos) {
+        drainInternal(DRAIN_COMPONENT_WITH_EOS, pool, work);
+        mSignalledOutputEos = true;
+    } else if (!hasPicture) {
+        fillEmptyWork(work);
+    }
+}
+
+c2_status_t C2SoftHevcDec::drainInternal(
+        uint32_t drainMode,
+        const std::shared_ptr<C2BlockPool> &pool,
+        const std::unique_ptr<C2Work> &work) {
+    if (drainMode == NO_DRAIN) {
+        ALOGW("drain with NO_DRAIN: no-op");
+        return C2_OK;
+    }
+    if (drainMode == DRAIN_CHAIN) {
+        ALOGW("DRAIN_CHAIN not supported");
+        return C2_OMITTED;
+    }
+
+    if (OK != setFlushMode()) return C2_CORRUPTED;
+    while (true) {
+        if (C2_OK != ensureDecoderState(pool)) {
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            work->result = C2_CORRUPTED;
+            return C2_CORRUPTED;
+        }
+        C2GraphicView wView = mOutBlock->map().get();
+        if (wView.error()) {
+            ALOGE("graphic view map failed %d", wView.error());
+            return C2_CORRUPTED;
+        }
+        ivd_video_decode_ip_t s_decode_ip;
+        ivd_video_decode_op_t s_decode_op;
+        if (!setDecodeArgs(&s_decode_ip, &s_decode_op, nullptr, &wView, 0, 0, 0)) {
+            mSignalledError = true;
+            work->workletsProcessed = 1u;
+            return C2_CORRUPTED;
+        }
+        (void) ivdec_api_function(mDecHandle, &s_decode_ip, &s_decode_op);
+        if (s_decode_op.u4_output_present) {
+            finishWork(s_decode_op.u4_ts, work);
+        } else {
+            fillEmptyWork(work);
+            break;
+        }
+    }
+
+    return C2_OK;
+}
+
+c2_status_t C2SoftHevcDec::drain(
+        uint32_t drainMode,
+        const std::shared_ptr<C2BlockPool> &pool) {
+    return drainInternal(drainMode, pool, nullptr);
+}
+
+class C2SoftHevcDecFactory : public C2ComponentFactory {
+public:
+    C2SoftHevcDecFactory() : 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 C2SoftHevcDec(COMPONENT_NAME,
+                                 id,
+                                 std::make_shared<C2SoftHevcDec::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<C2SoftHevcDec::IntfImpl>(
+                        COMPONENT_NAME, id, std::make_shared<C2SoftHevcDec::IntfImpl>(mHelper)),
+                deleter);
+        return C2_OK;
+    }
+
+    virtual ~C2SoftHevcDecFactory() override = default;
+
+private:
+    std::shared_ptr<C2ReflectorHelper> mHelper;
+};
+
+}  // namespace android
+
+extern "C" ::C2ComponentFactory* CreateCodec2Factory() {
+    ALOGV("in %s", __func__);
+    return new ::android::C2SoftHevcDecFactory();
+}
+
+extern "C" void DestroyCodec2Factory(::C2ComponentFactory* factory) {
+    ALOGV("in %s", __func__);
+    delete factory;
+}
diff --git a/media/codec2/components/hevc/C2SoftHevcDec.h b/media/codec2/components/hevc/C2SoftHevcDec.h
new file mode 100644
index 0000000..75111fc
--- /dev/null
+++ b/media/codec2/components/hevc/C2SoftHevcDec.h
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 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 ANDROID_C2_SOFT_HEVC_DEC_H_
+#define ANDROID_C2_SOFT_HEVC_DEC_H_
+
+#include <media/stagefright/foundation/ColorUtils.h>
+
+#include <SimpleC2Component.h>
+
+#include "ihevc_typedefs.h"
+#include "iv.h"
+#include "ivd.h"
+
+namespace android {
+
+#define ivdec_api_function              ihevcd_cxa_api_function
+#define ivdext_create_ip_t              ihevcd_cxa_create_ip_t
+#define ivdext_create_op_t              ihevcd_cxa_create_op_t
+#define ivdext_delete_ip_t              ihevcd_cxa_delete_ip_t
+#define ivdext_delete_op_t              ihevcd_cxa_delete_op_t
+#define ivdext_ctl_set_num_cores_ip_t   ihevcd_cxa_ctl_set_num_cores_ip_t
+#define ivdext_ctl_set_num_cores_op_t   ihevcd_cxa_ctl_set_num_cores_op_t
+#define ivdext_ctl_get_vui_params_ip_t  ihevcd_cxa_ctl_get_vui_params_ip_t
+#define ivdext_ctl_get_vui_params_op_t  ihevcd_cxa_ctl_get_vui_params_op_t
+#define ALIGN64(x)                      ((((x) + 63) >> 6) << 6)
+#define MAX_NUM_CORES                   4
+#define IVDEXT_CMD_CTL_SET_NUM_CORES    \
+        (IVD_CONTROL_API_COMMAND_TYPE_T)IHEVCD_CXA_CMD_CTL_SET_NUM_CORES
+#define MIN(a, b)                       (((a) < (b)) ? (a) : (b))
+#define GETTIME(a, b)                   gettimeofday(a, b);
+#define TIME_DIFF(start, end, diff)     \
+    diff = (((end).tv_sec - (start).tv_sec) * 1000000) + \
+            ((end).tv_usec - (start).tv_usec);
+
+
+struct C2SoftHevcDec : public SimpleC2Component {
+    class IntfImpl;
+
+    C2SoftHevcDec(const char* name, c2_node_id_t id,
+                  const std::shared_ptr<IntfImpl>& intfImpl);
+    virtual ~C2SoftHevcDec();
+
+    // From SimpleC2Component
+    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;
+ private:
+    status_t createDecoder();
+    status_t setNumCores();
+    status_t setParams(size_t stride, IVD_VIDEO_DECODE_MODE_T dec_mode);
+    status_t getVersion();
+    status_t initDecoder();
+    bool setDecodeArgs(ivd_video_decode_ip_t *ps_decode_ip,
+                       ivd_video_decode_op_t *ps_decode_op,
+                       C2ReadView *inBuffer,
+                       C2GraphicView *outBuffer,
+                       size_t inOffset,
+                       size_t inSize,
+                       uint32_t tsMarker);
+    bool getVuiParams();
+    // TODO:This is not the right place for colorAspects functions. These should
+    // be part of c2-vndk so that they can be accessed by all video plugins
+    // until then, make them feel at home
+    bool colorAspectsDiffer(const ColorAspects &a, const ColorAspects &b);
+    void updateFinalColorAspects(
+            const ColorAspects &otherAspects, const ColorAspects &preferredAspects);
+    status_t handleColorAspectsChange();
+    c2_status_t ensureDecoderState(const std::shared_ptr<C2BlockPool> &pool);
+    void finishWork(uint64_t index, const std::unique_ptr<C2Work> &work);
+    status_t setFlushMode();
+    c2_status_t drainInternal(
+            uint32_t drainMode,
+            const std::shared_ptr<C2BlockPool> &pool,
+            const std::unique_ptr<C2Work> &work);
+    status_t resetDecoder();
+    void resetPlugin();
+    status_t deleteDecoder();
+
+    // TODO:This is not the right place for this enum. These should
+    // be part of c2-vndk so that they can be accessed by all video plugins
+    // until then, make them feel at home
+    enum {
+        kNotSupported,
+        kPreferBitstream,
+        kPreferContainer,
+    };
+
+    std::shared_ptr<IntfImpl> mIntf;
+    iv_obj_t *mDecHandle;
+    std::shared_ptr<C2GraphicBlock> mOutBlock;
+    uint8_t *mOutBufferFlush;
+
+    size_t mNumCores;
+    IV_COLOR_FORMAT_T mIvColorformat;
+
+    uint32_t mWidth;
+    uint32_t mHeight;
+    uint32_t mStride;
+    bool mSignalledOutputEos;
+    bool mSignalledError;
+    bool mHeaderDecoded;
+
+    // Color aspects. These are ISO values and are meant to detect changes in aspects to avoid
+    // converting them to C2 values for each frame
+    struct VuiColorAspects {
+        uint8_t primaries;
+        uint8_t transfer;
+        uint8_t coeffs;
+        uint8_t fullRange;
+
+        // default color aspects
+        VuiColorAspects()
+            : primaries(2), transfer(2), coeffs(2), fullRange(0) { }
+
+        bool operator==(const VuiColorAspects &o) {
+            return primaries == o.primaries && transfer == o.transfer && coeffs == o.coeffs
+                    && fullRange == o.fullRange;
+        }
+    } mBitstreamColorAspects;
+
+    // profile
+    struct timeval mTimeStart;
+    struct timeval mTimeEnd;
+
+    C2_DO_NOT_COPY(C2SoftHevcDec);
+};
+
+}  // namespace android
+
+#endif  // ANDROID_C2_SOFT_HEVC_DEC_H_