chromium/media/cast/encoding/video_encoder_impl.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "media/cast/encoding/video_encoder_impl.h"

#include <utility>

#include "base/check.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "media/base/video_codecs.h"
#include "media/base/video_frame.h"
#include "third_party/libaom/libaom_buildflags.h"
#if BUILDFLAG(ENABLE_LIBAOM)
#include "media/cast/encoding/av1_encoder.h"
#endif
#include "media/base/video_encoder_metrics_provider.h"
#include "media/cast/common/sender_encoded_frame.h"
#include "media/cast/encoding/fake_software_video_encoder.h"
#include "media/cast/encoding/vpx_encoder.h"

namespace media {
namespace cast {

namespace {

void InitializeEncoderOnEncoderThread(
    const scoped_refptr<CastEnvironment>& environment,
    SoftwareVideoEncoder* encoder) { … }

void EncodeVideoFrameOnEncoderThread(
    scoped_refptr<CastEnvironment> environment,
    SoftwareVideoEncoder* encoder,
    scoped_refptr<media::VideoFrame> video_frame,
    base::TimeTicks reference_time,
    const VideoEncoderImpl::CodecDynamicConfig& dynamic_config,
    VideoEncoderImpl::FrameEncodedCallback frame_encoded_callback) { … }
}  // namespace

VideoEncoderImpl::VideoEncoderImpl(
    scoped_refptr<CastEnvironment> cast_environment,
    const FrameSenderConfig& video_config,
    std::unique_ptr<VideoEncoderMetricsProvider> metrics_provider,
    StatusChangeCallback status_change_cb)
    : … { … }

VideoEncoderImpl::~VideoEncoderImpl() { … }

bool VideoEncoderImpl::EncodeVideoFrame(
    scoped_refptr<media::VideoFrame> video_frame,
    base::TimeTicks reference_time,
    FrameEncodedCallback frame_encoded_callback) { … }

// Inform the encoder about the new target bit rate.
void VideoEncoderImpl::SetBitRate(int new_bit_rate) { … }

// Inform the encoder to encode the next frame as a key frame.
void VideoEncoderImpl::GenerateKeyFrame() { … }

}  //  namespace cast
}  //  namespace media