Increase Mojo video buffer capacity to 3MB

media/mojo/common/mojo_decoder_buffer_converter.cc

 // Copyright 2016 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/mojo/common/mojo_decoder_buffer_converter.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 11 matching lines @@
 std::unique_ptr<mojo::DataPipe> CreateDataPipe(DemuxerStream::Type type) {
   MojoCreateDataPipeOptions options;
   options.struct_size = sizeof(MojoCreateDataPipeOptions);
   options.flags = MOJO_CREATE_DATA_PIPE_OPTIONS_FLAG_NONE;
   options.element_num_bytes = 1;
 
   if (type == DemuxerStream::AUDIO) {
     // TODO(timav): Consider capacity calculation based on AudioDecoderConfig.
     options.capacity_num_bytes = 512 * 1024;
   } else if (type == DemuxerStream::VIDEO) {
-    // Video can get quite large; at 4K, VP9 delivers packets which are ~1MB in
-    // size; so allow for some head room.
+    // Video can get quite large; at 4K, VP9 delivers packets which could be
+    // larger than 2MB in size; so allow for some head room.
     // TODO(xhwang, sandersd): Provide a better way to customize this value.
-    options.capacity_num_bytes = 2 * (1024 * 1024);
+    options.capacity_num_bytes = 3 * (1024 * 1024);
   } else {
     NOTREACHED() << "Unsupported type: " << type;
     // Choose an arbitrary size.
     options.capacity_num_bytes = 512 * 1024;
   }
 
   return base::MakeUnique<mojo::DataPipe>(options);
 }
 
 }  // namespace
@@ skipping 98 matching lines @@
                    MOJO_WRITE_DATA_FLAG_ALL_OR_NONE);
   if (result != MOJO_RESULT_OK || num_bytes != media_buffer->data_size()) {
     DVLOG(1) << __FUNCTION__ << ": writing to data pipe failed";
     return nullptr;
   }
 
   return buffer;
 }
 
 }  // namespace media