RTC Video Encoder: Use capturer timestamp

media/cast/sender/external_video_encoder.cc

 // Copyright 2014 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/cast/sender/external_video_encoder.h"
 
 #include <cmath>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 230 matching lines @@
           output_buffer_size,
           base::Bind(&VEAClientImpl::OnCreateSharedMemory, this));
     }
   }
 
   // Encoder has encoded a frame and it's available in one of the output
   // buffers.  Package the result in a media::cast::EncodedFrame and post it
   // to the Cast MAIN thread via the supplied callback.
   void BitstreamBufferReady(int32_t bitstream_buffer_id,
                             size_t payload_size,
-                            bool key_frame) final {
+                            bool key_frame,
+                            base::TimeDelta /* timestamp */) final {
     DCHECK(task_runner_->RunsTasksOnCurrentThread());
     if (bitstream_buffer_id < 0 ||
         bitstream_buffer_id >= static_cast<int32_t>(output_buffers_.size())) {
       NOTREACHED();
       VLOG(1) << "BitstreamBufferReady(): invalid bitstream_buffer_id="
               << bitstream_buffer_id;
       NotifyError(media::VideoEncodeAccelerator::kPlatformFailureError);
       return;
     }
     base::SharedMemory* output_buffer =
@@ skipping 631 matching lines @@
   const double kEntropyAtMaxQuantizer = 7.5;
   const double slope =
       (MAX_VP8_QUANTIZER - MIN_VP8_QUANTIZER) / kEntropyAtMaxQuantizer;
   const double quantizer = std::min<double>(
       MAX_VP8_QUANTIZER, MIN_VP8_QUANTIZER + slope * shannon_entropy);
   return quantizer;
 }
 
 }  //  namespace cast
 }  //  namespace media