Web media player pipeline: implemented feature to choose proper...

media/base/pipeline_impl.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // TODO(scherkus): clean up PipelineImpl... too many crazy function names,
 // potential deadlocks, etc...
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/condition_variable.h"
@@ skipping 1033 matching lines @@
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   DCHECK(IsPipelineOk());
 
   scoped_refptr<DemuxerStream> stream =
       FindDemuxerStream(demuxer, mime_type::kMajorTypeVideo);
 
   if (!stream)
     return false;
 
   scoped_refptr<VideoDecoder> video_decoder;
-  filter_collection_->SelectVideoDecoder(&video_decoder);
+  int codec_id;
+  stream->media_format().GetAsInteger(MediaFormat::kFFmpegCodecID, &codec_id);
+  filter_collection_->SelectVideoDecoder(&video_decoder, codec_id);
 
   if (!video_decoder) {
     SetError(PIPELINE_ERROR_REQUIRED_FILTER_MISSING);
     return false;
   }
+  VLOG(1) << "video decoder selected: " << video_decoder->filter_name();
 
   if (!PrepareFilter(video_decoder))
     return false;
 
   pipeline_init_state_->video_decoder_ = video_decoder;
   video_decoder->Initialize(
       stream,
       NewCallback(this, &PipelineImpl::OnFilterInitialize));
   return true;
 }
@@ skipping 83 matching lines @@
           this, &PipelineImpl::OnFilterStateTransition));
     }
   } else {
     state_ = kStopped;
     message_loop_->PostTask(FROM_HERE,
         NewRunnableMethod(this, &PipelineImpl::FinishDestroyingFiltersTask));
   }
 }
 
 }  // namespace media