chromium/media/filters/offloading_video_decoder.cc

// Copyright 2017 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/filters/offloading_video_decoder.h"

#include <memory>

#include "base/containers/contains.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/synchronization/atomic_flag.h"
#include "base/task/bind_post_task.h"
#include "base/task/sequenced_task_runner.h"
#include "base/task/thread_pool.h"
#include "media/base/cdm_context.h"
#include "media/base/decoder_buffer.h"
#include "media/base/video_frame.h"

namespace media {

// Helper class which manages cancellation of Decode() after Reset() and makes
// it easier to destruct on the proper thread.
class CancellationHelper { … };

OffloadingVideoDecoder::OffloadingVideoDecoder(
    int min_offloading_width,
    std::vector<VideoCodec> supported_codecs,
    std::unique_ptr<OffloadableVideoDecoder> decoder)
    : … { … }

OffloadingVideoDecoder::~OffloadingVideoDecoder() { … }

VideoDecoderType OffloadingVideoDecoder::GetDecoderType() const { … }

void OffloadingVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                        bool low_delay,
                                        CdmContext* cdm_context,
                                        InitCB init_cb,
                                        const OutputCB& output_cb,
                                        const WaitingCB& waiting_cb) { … }

void OffloadingVideoDecoder::Decode(scoped_refptr<DecoderBuffer> buffer,
                                    DecodeCB decode_cb) { … }

void OffloadingVideoDecoder::Reset(base::OnceClosure reset_cb) { … }

int OffloadingVideoDecoder::GetMaxDecodeRequests() const { … }

}  // namespace media