// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "starboard/shared/starboard/player/filter/player_components.h"

#include "starboard/common/ref_counted.h"
#include "starboard/common/scoped_ptr.h"
#include "starboard/shared/starboard/player/filter/audio_decoder_internal.h"
#include "starboard/shared/starboard/player/filter/audio_renderer_sink_impl.h"
#include "starboard/shared/starboard/player/filter/video_decoder_internal.h"
#include "starboard/shared/starboard/player/filter/video_render_algorithm.h"
#include "starboard/shared/starboard/player/filter/video_render_algorithm_impl.h"
#include "starboard/shared/starboard/player/filter/video_renderer_sink.h"
#include "starboard/shared/win32/audio_decoder.h"
#include "starboard/shared/win32/video_decoder.h"

namespace starboard {
namespace shared {
namespace starboard {
namespace player {
namespace filter {

namespace {

class PlayerComponentsImpl : public PlayerComponents {
  void CreateAudioComponents(
      const AudioParameters& audio_parameters,
      scoped_ptr<AudioDecoder>* audio_decoder,
      scoped_ptr<AudioRendererSink>* audio_renderer_sink) override {
    using AudioDecoderImpl = ::starboard::shared::win32::AudioDecoder;

    SB_DCHECK(audio_decoder);
    SB_DCHECK(audio_renderer_sink);

    audio_decoder->reset(new AudioDecoderImpl(audio_parameters.audio_codec,
                                              audio_parameters.audio_header,
                                              audio_parameters.drm_system));
    audio_renderer_sink->reset(new AudioRendererSinkImpl);
  }

  void CreateVideoComponents(
      const VideoParameters& video_parameters,
      scoped_ptr<VideoDecoder>* video_decoder,
      scoped_ptr<VideoRenderAlgorithm>* video_render_algorithm,
      scoped_refptr<VideoRendererSink>* video_renderer_sink) override {
    using VideoDecoderImpl = ::starboard::shared::win32::VideoDecoder;

    SB_DCHECK(video_decoder);
    SB_DCHECK(video_render_algorithm);
    SB_DCHECK(video_renderer_sink);

    scoped_ptr<VideoDecoderImpl> video_decoder_impl(new VideoDecoderImpl(
        video_parameters.video_codec, video_parameters.output_mode,
        video_parameters.decode_target_graphics_context_provider,
        video_parameters.drm_system));
    *video_renderer_sink = video_decoder_impl->GetSink();
    video_decoder->reset(video_decoder_impl.release());
    video_render_algorithm->reset(new VideoRenderAlgorithmImpl);
  }
};

}  // namespace

// static
scoped_ptr<PlayerComponents> PlayerComponents::Create() {
  return make_scoped_ptr<PlayerComponents>(new PlayerComponentsImpl);
}

}  // namespace filter
}  // namespace player
}  // namespace starboard
}  // namespace shared
}  // namespace starboard