blob: 44bc4d16daeb78615cd3e2bab124a695120b9d8a [file] [log] [blame]
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_VIDEO_OPENH264_VIDEO_ENCODER_H_
#define MEDIA_VIDEO_OPENH264_VIDEO_ENCODER_H_
#include <memory>
#include <vector>
#include "media/base/media_export.h"
#include "media/base/video_encoder.h"
#include "media/base/video_frame_pool.h"
#include "media/formats/mp4/h264_annex_b_to_avc_bitstream_converter.h"
#include "third_party/openh264/src/codec/api/wels/codec_api.h"
#include "ui/gfx/geometry/size.h"
namespace media {
class MEDIA_EXPORT OpenH264VideoEncoder : public VideoEncoder {
public:
OpenH264VideoEncoder();
~OpenH264VideoEncoder() override;
// VideoDecoder implementation.
void Initialize(VideoCodecProfile profile,
const Options& options,
OutputCB output_cb,
EncoderStatusCB done_cb) override;
void Encode(scoped_refptr<VideoFrame> frame,
bool key_frame,
EncoderStatusCB done_cb) override;
void ChangeOptions(const Options& options,
OutputCB output_cb,
EncoderStatusCB done_cb) override;
void Flush(EncoderStatusCB done_cb) override;
private:
EncoderStatus DrainOutputs(const SFrameBSInfo& frame_info,
base::TimeDelta timestamp,
gfx::ColorSpace color_space);
void UpdateEncoderColorSpace();
class ISVCEncoderDeleter {
public:
ISVCEncoderDeleter();
ISVCEncoderDeleter(const ISVCEncoderDeleter&);
ISVCEncoderDeleter& operator=(const ISVCEncoderDeleter&);
void operator()(ISVCEncoder* coder);
void MarkInitialized();
private:
bool initialized_ = false;
};
using svc_encoder_unique_ptr =
std::unique_ptr<ISVCEncoder, ISVCEncoderDeleter>;
svc_encoder_unique_ptr codec_;
VideoCodecProfile profile_ = VIDEO_CODEC_PROFILE_UNKNOWN;
Options options_;
OutputCB output_cb_;
std::vector<uint8_t> conversion_buffer_;
VideoFramePool frame_pool_;
gfx::ColorSpace last_frame_color_space_;
// If |h264_converter_| is null, we output in annexb format. Otherwise, we
// output in avc format.
std::unique_ptr<H264AnnexBToAvcBitstreamConverter> h264_converter_;
};
} // namespace media
#endif // MEDIA_VIDEO_OPENH264_VIDEO_ENCODER_H_