| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "V4L2DecodeInterface" |
| |
| #include <v4l2_codec2/components/V4L2DecodeInterface.h> |
| |
| #include <C2PlatformSupport.h> |
| #include <SimpleC2Interface.h> |
| #include <android/hardware/graphics/common/1.0/types.h> |
| #include <log/log.h> |
| #include <media/stagefright/foundation/MediaDefs.h> |
| |
| #include <v4l2_codec2/common/V4L2ComponentCommon.h> |
| #include <v4l2_codec2/common/V4L2Device.h> |
| #include <v4l2_codec2/plugin_store/V4L2AllocatorId.h> |
| |
| namespace android { |
| namespace { |
| |
| constexpr size_t k1080pArea = 1920 * 1088; |
| constexpr size_t k4KArea = 3840 * 2160; |
| // Input bitstream buffer size for up to 1080p streams. |
| constexpr size_t kInputBufferSizeFor1080p = 1024 * 1024; // 1MB |
| // Input bitstream buffer size for up to 4k streams. |
| constexpr size_t kInputBufferSizeFor4K = 4 * kInputBufferSizeFor1080p; |
| |
| std::optional<VideoCodec> getCodecFromComponentName(const std::string& name) { |
| if (name == V4L2ComponentName::kH264Decoder || name == V4L2ComponentName::kH264SecureDecoder) |
| return VideoCodec::H264; |
| if (name == V4L2ComponentName::kVP8Decoder || name == V4L2ComponentName::kVP8SecureDecoder) |
| return VideoCodec::VP8; |
| if (name == V4L2ComponentName::kVP9Decoder || name == V4L2ComponentName::kVP9SecureDecoder) |
| return VideoCodec::VP9; |
| |
| ALOGE("Unknown name: %s", name.c_str()); |
| return std::nullopt; |
| } |
| |
| size_t calculateInputBufferSize(size_t area) { |
| if (area > k4KArea) { |
| ALOGW("Input buffer size for video size (%zu) larger than 4K (%zu) might be too small.", |
| area, k4KArea); |
| } |
| |
| // Enlarge the input buffer for 4k video |
| if (area > k1080pArea) return kInputBufferSizeFor4K; |
| return kInputBufferSizeFor1080p; |
| } |
| } // namespace |
| |
| // static |
| C2R V4L2DecodeInterface::ProfileLevelSetter(bool /* mayBlock */, |
| C2P<C2StreamProfileLevelInfo::input>& info) { |
| return info.F(info.v.profile) |
| .validatePossible(info.v.profile) |
| .plus(info.F(info.v.level).validatePossible(info.v.level)); |
| } |
| |
| // static |
| C2R V4L2DecodeInterface::SizeSetter(bool /* mayBlock */, |
| C2P<C2StreamPictureSizeInfo::output>& videoSize) { |
| return videoSize.F(videoSize.v.width) |
| .validatePossible(videoSize.v.width) |
| .plus(videoSize.F(videoSize.v.height).validatePossible(videoSize.v.height)); |
| } |
| |
| // static |
| template <typename T> |
| C2R V4L2DecodeInterface::DefaultColorAspectsSetter(bool /* mayBlock */, C2P<T>& def) { |
| if (def.v.range > C2Color::RANGE_OTHER) { |
| def.set().range = C2Color::RANGE_OTHER; |
| } |
| if (def.v.primaries > C2Color::PRIMARIES_OTHER) { |
| def.set().primaries = C2Color::PRIMARIES_OTHER; |
| } |
| if (def.v.transfer > C2Color::TRANSFER_OTHER) { |
| def.set().transfer = C2Color::TRANSFER_OTHER; |
| } |
| if (def.v.matrix > C2Color::MATRIX_OTHER) { |
| def.set().matrix = C2Color::MATRIX_OTHER; |
| } |
| return C2R::Ok(); |
| } |
| |
| // static |
| C2R V4L2DecodeInterface::MergedColorAspectsSetter( |
| bool /* mayBlock */, C2P<C2StreamColorAspectsInfo::output>& merged, |
| const C2P<C2StreamColorAspectsTuning::output>& def, |
| const C2P<C2StreamColorAspectsInfo::input>& coded) { |
| // Take coded values for all specified fields, and default values for unspecified ones. |
| merged.set().range = coded.v.range == RANGE_UNSPECIFIED ? def.v.range : coded.v.range; |
| merged.set().primaries = |
| coded.v.primaries == PRIMARIES_UNSPECIFIED ? def.v.primaries : coded.v.primaries; |
| merged.set().transfer = |
| coded.v.transfer == TRANSFER_UNSPECIFIED ? def.v.transfer : coded.v.transfer; |
| merged.set().matrix = coded.v.matrix == MATRIX_UNSPECIFIED ? def.v.matrix : coded.v.matrix; |
| return C2R::Ok(); |
| } |
| |
| // static |
| C2R V4L2DecodeInterface::MaxInputBufferSizeCalculator( |
| bool /* mayBlock */, C2P<C2StreamMaxBufferSizeInfo::input>& me, |
| const C2P<C2StreamPictureSizeInfo::output>& size) { |
| me.set().value = calculateInputBufferSize(size.v.width * size.v.height); |
| return C2R::Ok(); |
| } |
| |
| V4L2DecodeInterface::V4L2DecodeInterface(const std::string& name, |
| const std::shared_ptr<C2ReflectorHelper>& helper) |
| : C2InterfaceHelper(helper), mInitStatus(C2_OK) { |
| ALOGV("%s(%s)", __func__, name.c_str()); |
| |
| setDerivedInstance(this); |
| |
| mVideoCodec = getCodecFromComponentName(name); |
| if (!mVideoCodec) { |
| ALOGE("Invalid component name: %s", name.c_str()); |
| mInitStatus = C2_BAD_VALUE; |
| return; |
| } |
| |
| addParameter(DefineParam(mKind, C2_PARAMKEY_COMPONENT_KIND) |
| .withConstValue(new C2ComponentKindSetting(C2Component::KIND_DECODER)) |
| .build()); |
| |
| std::string inputMime; |
| switch (*mVideoCodec) { |
| case VideoCodec::H264: |
| inputMime = MEDIA_MIMETYPE_VIDEO_AVC; |
| addParameter( |
| DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL) |
| .withDefault(new C2StreamProfileLevelInfo::input( |
| 0u, C2Config::PROFILE_AVC_MAIN, C2Config::LEVEL_AVC_4)) |
| .withFields( |
| {C2F(mProfileLevel, profile) |
| .oneOf({C2Config::PROFILE_AVC_BASELINE, |
| C2Config::PROFILE_AVC_CONSTRAINED_BASELINE, |
| C2Config::PROFILE_AVC_MAIN, |
| C2Config::PROFILE_AVC_HIGH, |
| C2Config::PROFILE_AVC_CONSTRAINED_HIGH}), |
| C2F(mProfileLevel, level) |
| .oneOf({C2Config::LEVEL_AVC_1, C2Config::LEVEL_AVC_1B, |
| C2Config::LEVEL_AVC_1_1, C2Config::LEVEL_AVC_1_2, |
| C2Config::LEVEL_AVC_1_3, C2Config::LEVEL_AVC_2, |
| C2Config::LEVEL_AVC_2_1, C2Config::LEVEL_AVC_2_2, |
| C2Config::LEVEL_AVC_3, C2Config::LEVEL_AVC_3_1, |
| C2Config::LEVEL_AVC_3_2, C2Config::LEVEL_AVC_4, |
| C2Config::LEVEL_AVC_4_1, C2Config::LEVEL_AVC_4_2, |
| C2Config::LEVEL_AVC_5, C2Config::LEVEL_AVC_5_1, |
| C2Config::LEVEL_AVC_5_2})}) |
| .withSetter(ProfileLevelSetter) |
| .build()); |
| break; |
| |
| case VideoCodec::VP8: |
| inputMime = MEDIA_MIMETYPE_VIDEO_VP8; |
| addParameter(DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL) |
| .withConstValue(new C2StreamProfileLevelInfo::input( |
| 0u, C2Config::PROFILE_UNUSED, C2Config::LEVEL_UNUSED)) |
| .build()); |
| break; |
| |
| case VideoCodec::VP9: |
| inputMime = MEDIA_MIMETYPE_VIDEO_VP9; |
| addParameter( |
| DefineParam(mProfileLevel, C2_PARAMKEY_PROFILE_LEVEL) |
| .withDefault(new C2StreamProfileLevelInfo::input( |
| 0u, C2Config::PROFILE_VP9_0, C2Config::LEVEL_VP9_5)) |
| .withFields({C2F(mProfileLevel, profile).oneOf({C2Config::PROFILE_VP9_0}), |
| C2F(mProfileLevel, level) |
| .oneOf({C2Config::LEVEL_VP9_1, C2Config::LEVEL_VP9_1_1, |
| C2Config::LEVEL_VP9_2, C2Config::LEVEL_VP9_2_1, |
| C2Config::LEVEL_VP9_3, C2Config::LEVEL_VP9_3_1, |
| C2Config::LEVEL_VP9_4, C2Config::LEVEL_VP9_4_1, |
| C2Config::LEVEL_VP9_5})}) |
| .withSetter(ProfileLevelSetter) |
| .build()); |
| break; |
| } |
| |
| addParameter( |
| DefineParam(mInputFormat, C2_PARAMKEY_INPUT_STREAM_BUFFER_TYPE) |
| .withConstValue(new C2StreamBufferTypeSetting::input(0u, C2BufferData::LINEAR)) |
| .build()); |
| addParameter( |
| DefineParam(mInputMemoryUsage, C2_PARAMKEY_INPUT_STREAM_USAGE) |
| .withConstValue(new C2StreamUsageTuning::input( |
| 0u, static_cast<uint64_t>(android::hardware::graphics::common::V1_0:: |
| BufferUsage::VIDEO_DECODER))) |
| .build()); |
| |
| addParameter(DefineParam(mOutputFormat, C2_PARAMKEY_OUTPUT_STREAM_BUFFER_TYPE) |
| .withConstValue( |
| new C2StreamBufferTypeSetting::output(0u, C2BufferData::GRAPHIC)) |
| .build()); |
| addParameter( |
| DefineParam(mOutputDelay, C2_PARAMKEY_OUTPUT_DELAY) |
| .withConstValue(new C2PortDelayTuning::output(getOutputDelay(*mVideoCodec))) |
| .build()); |
| |
| addParameter(DefineParam(mInputMediaType, C2_PARAMKEY_INPUT_MEDIA_TYPE) |
| .withConstValue(AllocSharedString<C2PortMediaTypeSetting::input>( |
| inputMime.c_str())) |
| .build()); |
| |
| addParameter(DefineParam(mOutputMediaType, C2_PARAMKEY_OUTPUT_MEDIA_TYPE) |
| .withConstValue(AllocSharedString<C2PortMediaTypeSetting::output>( |
| MEDIA_MIMETYPE_VIDEO_RAW)) |
| .build()); |
| |
| // Note(b/165826281): The check is not used at Android framework currently. |
| // In order to fasten the bootup time, we use the maximum supported size instead of querying the |
| // capability from the V4L2 device. |
| addParameter(DefineParam(mSize, C2_PARAMKEY_PICTURE_SIZE) |
| .withDefault(new C2StreamPictureSizeInfo::output(0u, 320, 240)) |
| .withFields({ |
| C2F(mSize, width).inRange(16, 4096, 16), |
| C2F(mSize, height).inRange(16, 4096, 16), |
| }) |
| .withSetter(SizeSetter) |
| .build()); |
| |
| addParameter( |
| DefineParam(mMaxInputSize, C2_PARAMKEY_INPUT_MAX_BUFFER_SIZE) |
| .withDefault(new C2StreamMaxBufferSizeInfo::input(0u, kInputBufferSizeFor1080p)) |
| .withFields({ |
| C2F(mMaxInputSize, value).any(), |
| }) |
| .calculatedAs(MaxInputBufferSizeCalculator, mSize) |
| .build()); |
| |
| bool secureMode = name.find(".secure") != std::string::npos; |
| const C2Allocator::id_t inputAllocators[] = {secureMode ? V4L2AllocatorId::SECURE_LINEAR |
| : C2AllocatorStore::DEFAULT_LINEAR}; |
| |
| const C2Allocator::id_t outputAllocators[] = {V4L2AllocatorId::V4L2_BUFFERPOOL}; |
| const C2Allocator::id_t surfaceAllocator = |
| secureMode ? V4L2AllocatorId::SECURE_GRAPHIC : V4L2AllocatorId::V4L2_BUFFERQUEUE; |
| const C2BlockPool::local_id_t outputBlockPools[] = {C2BlockPool::BASIC_GRAPHIC}; |
| |
| addParameter( |
| DefineParam(mInputAllocatorIds, C2_PARAMKEY_INPUT_ALLOCATORS) |
| .withConstValue(C2PortAllocatorsTuning::input::AllocShared(inputAllocators)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mOutputAllocatorIds, C2_PARAMKEY_OUTPUT_ALLOCATORS) |
| .withConstValue(C2PortAllocatorsTuning::output::AllocShared(outputAllocators)) |
| .build()); |
| |
| addParameter(DefineParam(mOutputSurfaceAllocatorId, C2_PARAMKEY_OUTPUT_SURFACE_ALLOCATOR) |
| .withConstValue(new C2PortSurfaceAllocatorTuning::output(surfaceAllocator)) |
| .build()); |
| |
| addParameter( |
| DefineParam(mOutputBlockPoolIds, C2_PARAMKEY_OUTPUT_BLOCK_POOLS) |
| .withDefault(C2PortBlockPoolsTuning::output::AllocShared(outputBlockPools)) |
| .withFields({C2F(mOutputBlockPoolIds, m.values[0]).any(), |
| C2F(mOutputBlockPoolIds, m.values).inRange(0, 1)}) |
| .withSetter(Setter<C2PortBlockPoolsTuning::output>::NonStrictValuesWithNoDeps) |
| .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(DefaultColorAspectsSetter) |
| .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(MergedColorAspectsSetter, mDefaultColorAspects, mCodedColorAspects) |
| .build()); |
| } |
| |
| size_t V4L2DecodeInterface::getInputBufferSize() const { |
| return calculateInputBufferSize(mSize->width * mSize->height); |
| } |
| |
| c2_status_t V4L2DecodeInterface::queryColorAspects( |
| std::shared_ptr<C2StreamColorAspectsInfo::output>* targetColorAspects) { |
| std::unique_ptr<C2StreamColorAspectsInfo::output> colorAspects = |
| std::make_unique<C2StreamColorAspectsInfo::output>( |
| 0u, C2Color::RANGE_UNSPECIFIED, C2Color::PRIMARIES_UNSPECIFIED, |
| C2Color::TRANSFER_UNSPECIFIED, C2Color::MATRIX_UNSPECIFIED); |
| c2_status_t status = query({colorAspects.get()}, {}, C2_DONT_BLOCK, nullptr); |
| if (status == C2_OK) { |
| *targetColorAspects = std::move(colorAspects); |
| } |
| return status; |
| } |
| |
| uint32_t V4L2DecodeInterface::getOutputDelay(VideoCodec codec) { |
| switch (codec) { |
| case VideoCodec::H264: |
| // Due to frame reordering an H264 decoder might need multiple additional input frames to be |
| // queued before being able to output the associated decoded buffers. We need to tell the |
| // codec2 framework that it should not stop queuing new work items until the maximum number |
| // of frame reordering is reached, to avoid stalling the decoder. |
| return 16; |
| case VideoCodec::VP8: |
| return 0; |
| case VideoCodec::VP9: |
| return 0; |
| } |
| } |
| |
| } // namespace android |
