media: VideoFrame: add offset for shared memory buffers

content/renderer/media/rtc_video_encoder.cc

 // Copyright 2013 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 "content/renderer/media/rtc_video_encoder.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 484 matching lines @@
   base::SharedMemory* input_buffer = input_buffers_[index];
   scoped_refptr<media::VideoFrame> frame =
       media::VideoFrame::WrapExternalPackedMemory(
           media::VideoFrame::I420,
           input_frame_coded_size_,
           gfx::Rect(input_visible_size_),
           input_visible_size_,
           reinterpret_cast<uint8*>(input_buffer->memory()),
           input_buffer->mapped_size(),
           input_buffer->handle(),
+          0,
           base::TimeDelta(),
           base::Bind(&RTCVideoEncoder::Impl::EncodeFrameFinished, this, index));
   if (!frame.get()) {
     DLOG(ERROR) << "Impl::EncodeOneFrame(): failed to create frame";
     NOTIFY_ERROR(media::VideoEncodeAccelerator::kPlatformFailureError);
     return;
   }
 
   // Do a strided copy of the input frame to match the input requirements for
   // the encoder.
@@ skipping 257 matching lines @@
   UMA_HISTOGRAM_BOOLEAN("Media.RTCVideoEncoderInitEncodeSuccess",
                         init_retval == WEBRTC_VIDEO_CODEC_OK);
   if (init_retval == WEBRTC_VIDEO_CODEC_OK) {
     UMA_HISTOGRAM_ENUMERATION("Media.RTCVideoEncoderProfile",
                               profile,
                               media::VIDEO_CODEC_PROFILE_MAX + 1);
   }
 }
 
 }  // namespace content