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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "media/cast/video_receiver/video_decoder.h"
      6 
      7 #include "base/bind.h"
      8 #include "base/logging.h"
      9 #include "base/message_loop/message_loop.h"
     10 #include "media/cast/video_receiver/codecs/vp8/vp8_decoder.h"
     11 
     12 namespace media {
     13 namespace cast {
     14 
     15 VideoDecoder::VideoDecoder(const VideoReceiverConfig& video_config,
     16                            scoped_refptr<CastEnvironment> cast_environment)
     17     : codec_(video_config.codec),
     18       vp8_decoder_() {
     19   switch (video_config.codec) {
     20     case kVp8:
     21       vp8_decoder_.reset(new Vp8Decoder(cast_environment));
     22       break;
     23     case kH264:
     24       NOTIMPLEMENTED();
     25       break;
     26     case kExternalVideo:
     27       DCHECK(false) << "Invalid codec";
     28       break;
     29   }
     30 }
     31 
     32 VideoDecoder::~VideoDecoder() {}
     33 
     34 bool VideoDecoder::DecodeVideoFrame(const EncodedVideoFrame* encoded_frame,
     35                                     const base::TimeTicks render_time,
     36                                     const VideoFrameDecodedCallback&
     37                                     frame_decoded_cb) {
     38   DCHECK(encoded_frame->codec == codec_) << "Invalid codec";
     39   DCHECK_GT(encoded_frame->data.size(), GG_UINT64_C(0)) << "Empty video frame";
     40   return vp8_decoder_->Decode(encoded_frame, render_time, frame_decoded_cb);
     41 }
     42 
     43 }  // namespace cast
     44 }  // namespace media
     45