// Copyright 2017 The Cobalt Authors. 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/raspi/shared/open_max/video_decoder.h"
#include "starboard/raspi/shared/video_renderer_sink_impl.h"
#include "starboard/shared/ffmpeg/ffmpeg_audio_decoder.h"
#include "starboard/shared/starboard/player/filter/adaptive_audio_decoder_internal.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"

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

namespace {

class PlayerComponentsImpl : public PlayerComponents {
  bool CreateAudioComponents(const AudioParameters& audio_parameters,
                             scoped_ptr<AudioDecoder>* audio_decoder,
                             scoped_ptr<AudioRendererSink>* audio_renderer_sink,
                             std::string* error_message) override {
    SB_DCHECK(audio_decoder);
    SB_DCHECK(audio_renderer_sink);
    SB_DCHECK(error_message);

    auto decoder_creator = [](const SbMediaAudioSampleInfo& audio_sample_info,
                              SbDrmSystem drm_system) {
      typedef ::starboard::shared::ffmpeg::AudioDecoder AudioDecoderImpl;

      scoped_ptr<AudioDecoderImpl> audio_decoder_impl(
          AudioDecoderImpl::Create(audio_sample_info.codec, audio_sample_info));
      if (audio_decoder_impl && audio_decoder_impl->is_valid()) {
        return audio_decoder_impl.PassAs<AudioDecoder>();
      }
      return scoped_ptr<AudioDecoder>();
    };

    audio_decoder->reset(
        new AdaptiveAudioDecoder(audio_parameters.audio_sample_info,
                                 audio_parameters.drm_system, decoder_creator));
    audio_renderer_sink->reset(new AudioRendererSinkImpl);
    return true;
  }

  bool CreateVideoComponents(
      const VideoParameters& video_parameters,
      scoped_ptr<VideoDecoder>* video_decoder,
      scoped_ptr<VideoRenderAlgorithm>* video_render_algorithm,
      scoped_refptr<VideoRendererSink>* video_renderer_sink,
      std::string* error_message) override {
    using VideoDecoderImpl = ::starboard::raspi::shared::open_max::VideoDecoder;
    using ::starboard::raspi::shared::VideoRendererSinkImpl;

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

    video_decoder->reset(new VideoDecoderImpl(video_parameters.video_codec));
    video_render_algorithm->reset(new VideoRenderAlgorithmImpl);
    *video_renderer_sink = new VideoRendererSinkImpl(video_parameters.player);
    return true;
  }

  void GetAudioRendererParams(int* max_cached_frames,
                              int* max_frames_per_append) const override {
    SB_DCHECK(max_cached_frames);
    SB_DCHECK(max_frames_per_append);

    *max_cached_frames = 128 * 1024;
    *max_frames_per_append = 16384;
  }
};

}  // namespace

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

// static
bool VideoDecoder::OutputModeSupported(SbPlayerOutputMode output_mode,
                                       SbMediaVideoCodec codec,
                                       SbDrmSystem drm_system) {
  return output_mode == kSbPlayerOutputModePunchOut;
}

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