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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*
* WEBRTC VP8 wrapper interface
*/
#ifndef WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
#define WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
#include <vector>
// NOTE: This include order must remain to avoid compile errors, even though
// it breaks the style guide.
#include "vpx/vpx_encoder.h"
#include "vpx/vpx_decoder.h"
#include "vpx/vp8cx.h"
#include "vpx/vp8dx.h"
#include "webrtc/common_video/interface/i420_buffer_pool.h"
#include "webrtc/modules/video_coding/codecs/interface/video_codec_interface.h"
#include "webrtc/modules/video_coding/codecs/vp8/include/vp8.h"
#include "webrtc/modules/video_coding/codecs/vp8/reference_picture_selection.h"
#include "webrtc/modules/video_coding/utility/include/frame_dropper.h"
#include "webrtc/modules/video_coding/utility/include/quality_scaler.h"
#include "webrtc/video_frame.h"
namespace webrtc {
class TemporalLayers;
class VP8EncoderImpl : public VP8Encoder {
public:
VP8EncoderImpl();
virtual ~VP8EncoderImpl();
virtual int Release();
virtual int InitEncode(const VideoCodec* codec_settings,
int number_of_cores,
size_t max_payload_size);
virtual int Encode(const VideoFrame& input_image,
const CodecSpecificInfo* codec_specific_info,
const std::vector<FrameType>* frame_types);
virtual int RegisterEncodeCompleteCallback(EncodedImageCallback* callback);
virtual int SetChannelParameters(uint32_t packet_loss, int64_t rtt);
virtual int SetRates(uint32_t new_bitrate_kbit, uint32_t frame_rate);
void OnDroppedFrame() override {}
private:
void SetupTemporalLayers(int num_streams, int num_temporal_layers,
const VideoCodec& codec);
// Set the cpu_speed setting for encoder based on resolution and/or platform.
int SetCpuSpeed(int width, int height);
// Determine number of encoder threads to use.
int NumberOfThreads(int width, int height, int number_of_cores);
// Call encoder initialize function and set control settings.
int InitAndSetControlSettings();
// Update frame size for codec.
int UpdateCodecFrameSize(const VideoFrame& input_image);
void PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
const vpx_codec_cx_pkt& pkt,
int stream_idx,
uint32_t timestamp,
bool only_predicting_from_key_frame);
int GetEncodedPartitions(const VideoFrame& input_image,
bool only_predicting_from_key_frame);
// Set the stream state for stream |stream_idx|.
void SetStreamState(bool send_stream, int stream_idx);
uint32_t MaxIntraTarget(uint32_t optimal_buffer_size);
EncodedImageCallback* encoded_complete_callback_;
VideoCodec codec_;
bool inited_;
int64_t timestamp_;
bool feedback_mode_;
int qp_max_;
int cpu_speed_default_;
uint32_t rc_max_intra_target_;
int token_partitions_;
ReferencePictureSelection rps_;
std::vector<TemporalLayers*> temporal_layers_;
bool down_scale_requested_;
uint32_t down_scale_bitrate_;
FrameDropper tl0_frame_dropper_;
FrameDropper tl1_frame_dropper_;
std::vector<uint16_t> picture_id_;
std::vector<int> last_key_frame_picture_id_;
std::vector<bool> key_frame_request_;
std::vector<bool> send_stream_;
std::vector<int> cpu_speed_;
std::vector<vpx_image_t> raw_images_;
std::vector<EncodedImage> encoded_images_;
std::vector<vpx_codec_ctx_t> encoders_;
std::vector<vpx_codec_enc_cfg_t> configurations_;
std::vector<vpx_rational_t> downsampling_factors_;
QualityScaler quality_scaler_;
bool quality_scaler_enabled_;
}; // end of VP8EncoderImpl class
class VP8DecoderImpl : public VP8Decoder {
public:
VP8DecoderImpl();
virtual ~VP8DecoderImpl();
int InitDecode(const VideoCodec* inst, int number_of_cores) override;
int Decode(const EncodedImage& input_image,
bool missing_frames,
const RTPFragmentationHeader* fragmentation,
const CodecSpecificInfo* codec_specific_info,
int64_t /*render_time_ms*/) override;
int RegisterDecodeCompleteCallback(DecodedImageCallback* callback) override;
int Release() override;
int Reset() override;
private:
// Copy reference image from this _decoder to the _decoder in copyTo. Set
// which frame type to copy in _refFrame->frame_type before the call to
// this function.
int CopyReference(VP8DecoderImpl* copy);
int DecodePartitions(const EncodedImage& input_image,
const RTPFragmentationHeader* fragmentation);
int ReturnFrame(const vpx_image_t* img,
uint32_t timeStamp,
int64_t ntp_time_ms);
I420BufferPool buffer_pool_;
DecodedImageCallback* decode_complete_callback_;
bool inited_;
bool feedback_mode_;
vpx_codec_ctx_t* decoder_;
VideoCodec codec_;
EncodedImage last_keyframe_;
int image_format_;
vpx_ref_frame_t* ref_frame_;
int propagation_cnt_;
int last_frame_width_;
int last_frame_height_;
bool key_frame_required_;
}; // end of VP8DecoderImpl class
} // namespace webrtc
#endif // WEBRTC_MODULES_VIDEO_CODING_CODECS_VP8_VP8_IMPL_H_
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