294 lines
10 KiB
C++
294 lines
10 KiB
C++
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_C2_SOFT_VPX_ENC_H__
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#define ANDROID_C2_SOFT_VPX_ENC_H__
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#include <media/stagefright/foundation/MediaDefs.h>
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#include <C2PlatformSupport.h>
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#include <Codec2BufferUtils.h>
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#include <SimpleC2Component.h>
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#include <SimpleC2Interface.h>
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#include <util/C2InterfaceHelper.h>
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#include "vpx/vpx_encoder.h"
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#include "vpx/vpx_codec.h"
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#include "vpx/vpx_image.h"
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#include "vpx/vp8cx.h"
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namespace android {
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// TODO: These defs taken from deprecated OMX_VideoExt.h. Move these definitions
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// to a new header file and include it.
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/** Maximum number of temporal layers */
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#define MAXTEMPORALLAYERS 3
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/** temporal layer patterns */
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typedef enum TemporalPatternType {
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VPXTemporalLayerPatternNone = 0,
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VPXTemporalLayerPatternWebRTC = 1,
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VPXTemporalLayerPatternMax = 0x7FFFFFFF
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} TemporalPatternType;
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// Base class for a VPX Encoder Component
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//
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// Only following encoder settings are available (codec specific settings might
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// be available in the sub-classes):
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// - video resolution
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// - target bitrate
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// - rate control (constant / variable)
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// - frame rate
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// - error resilience
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// - reconstruction & loop filters (g_profile)
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//
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// Only following color formats are recognized
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// - C2PlanarLayout::TYPE_RGB
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// - C2PlanarLayout::TYPE_RGBA
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//
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// Following settings are not configurable by the client
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// - encoding deadline is realtime
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// - multithreaded encoding utilizes a number of threads equal
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// to online cpu's available
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// - the algorithm interface for encoder is decided by the sub-class in use
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// - fractional bits of frame rate is discarded
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// - timestamps are in microseconds, therefore encoder timebase is fixed
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// to 1/1000000
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struct C2SoftVpxEnc : public SimpleC2Component {
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class IntfImpl;
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C2SoftVpxEnc(const char* name, c2_node_id_t id,
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const std::shared_ptr<IntfImpl>& intfImpl);
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// From SimpleC2Component
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c2_status_t onInit() override final;
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c2_status_t onStop() override final;
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void onReset() override final;
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void onRelease() override final;
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c2_status_t onFlush_sm() override final;
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void process(
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const std::unique_ptr<C2Work> &work,
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const std::shared_ptr<C2BlockPool> &pool) override final;
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c2_status_t drain(
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uint32_t drainMode,
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const std::shared_ptr<C2BlockPool> &pool) override final;
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protected:
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std::shared_ptr<IntfImpl> mIntf;
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virtual ~C2SoftVpxEnc();
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// Initializes vpx encoder with available settings.
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status_t initEncoder();
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// Populates mCodecInterface with codec specific settings.
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virtual void setCodecSpecificInterface() = 0;
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// Sets codec specific configuration.
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virtual void setCodecSpecificConfiguration() = 0;
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// Sets codec specific encoder controls.
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virtual vpx_codec_err_t setCodecSpecificControls() = 0;
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// Get current encode flags.
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virtual vpx_enc_frame_flags_t getEncodeFlags();
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enum TemporalReferences {
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// For 1 layer case: reference all (last, golden, and alt ref), but only
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// update last.
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kTemporalUpdateLastRefAll = 12,
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// First base layer frame for 3 temporal layers, which updates last and
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// golden with alt ref dependency.
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kTemporalUpdateLastAndGoldenRefAltRef = 11,
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// First enhancement layer with alt ref dependency.
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kTemporalUpdateGoldenRefAltRef = 10,
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// First enhancement layer with alt ref dependency.
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kTemporalUpdateGoldenWithoutDependencyRefAltRef = 9,
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// Base layer with alt ref dependency.
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kTemporalUpdateLastRefAltRef = 8,
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// Highest enhacement layer without dependency on golden with alt ref
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// dependency.
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kTemporalUpdateNoneNoRefGoldenRefAltRef = 7,
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// Second layer and last frame in cycle, for 2 layers.
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kTemporalUpdateNoneNoRefAltref = 6,
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// Highest enhancement layer.
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kTemporalUpdateNone = 5,
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// Second enhancement layer.
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kTemporalUpdateAltref = 4,
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// Second enhancement layer without dependency on previous frames in
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// the second enhancement layer.
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kTemporalUpdateAltrefWithoutDependency = 3,
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// First enhancement layer.
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kTemporalUpdateGolden = 2,
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// First enhancement layer without dependency on previous frames in
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// the first enhancement layer.
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kTemporalUpdateGoldenWithoutDependency = 1,
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// Base layer.
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kTemporalUpdateLast = 0,
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};
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enum {
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kMaxTemporalPattern = 8
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};
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// vpx specific opaque data structure that
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// stores encoder state
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vpx_codec_ctx_t* mCodecContext;
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// vpx specific data structure that
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// stores encoder configuration
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vpx_codec_enc_cfg_t* mCodecConfiguration;
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// vpx specific read-only data structure
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// that specifies algorithm interface (e.g. vp8)
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vpx_codec_iface_t* mCodecInterface;
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// align stride to the power of 2
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int32_t mStrideAlign;
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// Color format for the input port
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vpx_img_fmt_t mColorFormat;
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// Bitrate control mode, either constant or variable
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vpx_rc_mode mBitrateControlMode;
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// Parameter that denotes whether error resilience
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// is enabled in encoder
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bool mErrorResilience;
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// Minimum (best quality) quantizer
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uint32_t mMinQuantizer;
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// Maximum (worst quality) quantizer
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uint32_t mMaxQuantizer;
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// Number of coding temporal layers to be used.
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size_t mTemporalLayers;
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// Temporal layer bitrare ratio in percentage
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float_t mTemporalLayerBitrateRatio[MAXTEMPORALLAYERS];
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// Temporal pattern type
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TemporalPatternType mTemporalPatternType;
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// Temporal pattern length
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size_t mTemporalPatternLength;
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// Temporal pattern current index
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size_t mTemporalPatternIdx;
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// Frame type temporal pattern
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TemporalReferences mTemporalPattern[kMaxTemporalPattern];
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// Last input buffer timestamp
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uint64_t mLastTimestamp;
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// Number of input frames
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int64_t mNumInputFrames;
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// Conversion buffer is needed to input to
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// yuv420 planar format.
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MemoryBlock mConversionBuffer;
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// Signalled EOS
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bool mSignalledOutputEos;
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// Signalled Error
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bool mSignalledError;
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// configurations used by component in process
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// (TODO: keep this in intf but make them internal only)
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std::shared_ptr<C2StreamPictureSizeInfo::input> mSize;
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std::shared_ptr<C2StreamIntraRefreshTuning::output> mIntraRefresh;
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std::shared_ptr<C2StreamFrameRateInfo::output> mFrameRate;
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std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
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std::shared_ptr<C2StreamBitrateModeTuning::output> mBitrateMode;
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std::shared_ptr<C2StreamRequestSyncFrameTuning::output> mRequestSync;
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std::shared_ptr<C2StreamTemporalLayeringTuning::output> mLayering;
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C2_DO_NOT_COPY(C2SoftVpxEnc);
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};
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namespace {
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#ifdef VP9
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constexpr char COMPONENT_NAME[] = "c2.android.vp9.encoder";
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const char *MEDIA_MIMETYPE_VIDEO = MEDIA_MIMETYPE_VIDEO_VP9;
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#else
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constexpr char COMPONENT_NAME[] = "c2.android.vp8.encoder";
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const char *MEDIA_MIMETYPE_VIDEO = MEDIA_MIMETYPE_VIDEO_VP8;
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#endif
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} // namepsace
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class C2SoftVpxEnc::IntfImpl : public SimpleInterface<void>::BaseParams {
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public:
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explicit IntfImpl(const std::shared_ptr<C2ReflectorHelper> &helper);
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static C2R BitrateSetter(bool mayBlock, C2P<C2StreamBitrateInfo::output> &me);
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static C2R SizeSetter(bool mayBlock, const C2P<C2StreamPictureSizeInfo::input> &oldMe,
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C2P<C2StreamPictureSizeInfo::input> &me);
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static C2R ProfileLevelSetter(
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bool mayBlock,
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C2P<C2StreamProfileLevelInfo::output> &me);
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static C2R LayeringSetter(bool mayBlock, C2P<C2StreamTemporalLayeringTuning::output>& me);
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// unsafe getters
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std::shared_ptr<C2StreamPictureSizeInfo::input> getSize_l() const { return mSize; }
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std::shared_ptr<C2StreamIntraRefreshTuning::output> getIntraRefresh_l() const {
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return mIntraRefresh;
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}
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std::shared_ptr<C2StreamFrameRateInfo::output> getFrameRate_l() const { return mFrameRate; }
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std::shared_ptr<C2StreamBitrateInfo::output> getBitrate_l() const { return mBitrate; }
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std::shared_ptr<C2StreamBitrateModeTuning::output> getBitrateMode_l() const {
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return mBitrateMode;
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}
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std::shared_ptr<C2StreamRequestSyncFrameTuning::output> getRequestSync_l() const {
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return mRequestSync;
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}
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std::shared_ptr<C2StreamTemporalLayeringTuning::output> getTemporalLayers_l() const {
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return mLayering;
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}
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std::shared_ptr<C2StreamColorAspectsInfo::output> getCodedColorAspects_l() const {
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return mCodedColorAspects;
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}
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uint32_t getSyncFramePeriod() const;
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static C2R ColorAspectsSetter(bool mayBlock, C2P<C2StreamColorAspectsInfo::input> &me);
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static C2R CodedColorAspectsSetter(bool mayBlock, C2P<C2StreamColorAspectsInfo::output> &me,
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const C2P<C2StreamColorAspectsInfo::input> &coded);
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private:
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std::shared_ptr<C2StreamUsageTuning::input> mUsage;
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std::shared_ptr<C2StreamPictureSizeInfo::input> mSize;
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std::shared_ptr<C2StreamFrameRateInfo::output> mFrameRate;
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std::shared_ptr<C2StreamTemporalLayeringTuning::output> mLayering;
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std::shared_ptr<C2StreamIntraRefreshTuning::output> mIntraRefresh;
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std::shared_ptr<C2StreamRequestSyncFrameTuning::output> mRequestSync;
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std::shared_ptr<C2StreamSyncFrameIntervalTuning::output> mSyncFramePeriod;
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std::shared_ptr<C2StreamBitrateInfo::output> mBitrate;
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std::shared_ptr<C2StreamBitrateModeTuning::output> mBitrateMode;
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std::shared_ptr<C2StreamProfileLevelInfo::output> mProfileLevel;
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std::shared_ptr<C2StreamColorAspectsInfo::input> mColorAspects;
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std::shared_ptr<C2StreamColorAspectsInfo::output> mCodedColorAspects;
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};
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} // namespace android
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#endif // ANDROID_C2_SOFT_VPX_ENC_H__
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