Mojify demuxers and allow running {Chunk/FFmpeg}Demuxer in a Utility Process

media/filters/vpx_video_decoder.cc

 // Copyright (c) 2012 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.
 
 #include "media/filters/vpx_video_decoder.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 481 matching lines @@
            VPX_CODEC_CAP_EXTERNAL_FRAME_BUFFER);
 
     // Move high resolution vp9 decodes off of the main media thread (otherwise
     // decode may block audio decoding, demuxing, and other control activities).
     if (config.coded_size().width() >= 1024) {
       offload_task_runner_ =
           g_vpx_offload_thread.Pointer()->RequestOffloadThread();
     }
 
     DCHECK(!memory_pool_);
+
+// TODO(j.isorce): mojify MemoryPool::VP9FrameBuffer
+#if 1
+    memory_pool_ = nullptr;
+#else
     memory_pool_ = new MemoryPool();
     base::trace_event::MemoryDumpManager::GetInstance()->RegisterDumpProvider(
         memory_pool_.get(), "VpxVideoDecoder",
         base::ThreadTaskRunnerHandle::Get());
 
     if (vpx_codec_set_frame_buffer_functions(vpx_codec_,
                                              &MemoryPool::GetVP9FrameBuffer,
                                              &MemoryPool::ReleaseVP9FrameBuffer,
                                              memory_pool_.get())) {
       DLOG(ERROR) << "Failed to configure external buffers. "
                   << vpx_codec_error(vpx_codec_);
       return false;
     }
+#endif
   }
 
   if (config.format() != PIXEL_FORMAT_YV12A)
     return true;
 
   vpx_codec_alpha_ = InitializeVpxContext(vpx_codec_alpha_, config);
   return !!vpx_codec_alpha_;
 }
 
 void VpxVideoDecoder::CloseDecoder() {
@@ skipping 332 matching lines @@
       (*video_frame)->visible_data(VideoFrame::kUPlane),
       (*video_frame)->stride(VideoFrame::kUPlane),
       (*video_frame)->visible_data(VideoFrame::kVPlane),
       (*video_frame)->stride(VideoFrame::kVPlane), coded_size.width(),
       coded_size.height());
 
   return true;
 }
 
 }  // namespace media