Replace uses of raw uint32's with a type-checked RtpTimeTicks data type.

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"
 #include "base/debug/crash_logging.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/stringprintf.h"
 #include "build/build_config.h"
 #include "media/base/video_frame.h"
 #include "media/base/video_types.h"
 #include "media/base/video_util.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_defines.h"
+#include "media/cast/common/rtp_time.h"
 #include "media/cast/logging/logging_defines.h"
 #include "media/cast/net/cast_transport_config.h"
 #include "media/cast/sender/vp8_quantizer_parser.h"
 #include "media/filters/h264_parser.h"
 
 namespace {
 
 enum { MAX_H264_QUANTIZER = 51 };
 static const size_t kOutputBufferCount = 3;
 
@@ skipping 186 matching lines @@
       const InProgressFrameEncode& request = in_progress_frame_encodes_.front();
 
       scoped_ptr<SenderEncodedFrame> encoded_frame(new SenderEncodedFrame());
       encoded_frame->dependency = key_frame ? EncodedFrame::KEY :
           EncodedFrame::DEPENDENT;
       encoded_frame->frame_id = next_frame_id_++;
       if (key_frame)
         encoded_frame->referenced_frame_id = encoded_frame->frame_id;
       else
         encoded_frame->referenced_frame_id = encoded_frame->frame_id - 1;
-      encoded_frame->rtp_timestamp = TimeDeltaToRtpDelta(
+      encoded_frame->rtp_timestamp = RtpTimeTicks::FromTimeDelta(
           request.video_frame->timestamp(), kVideoFrequency);
       encoded_frame->reference_time = request.reference_time;
       if (!stream_header_.empty()) {
         encoded_frame->data = stream_header_;
         stream_header_.clear();
       }
       encoded_frame->data.append(
           static_cast<const char*>(output_buffer->memory()), payload_size);
 
       // If FRAME_DURATION metadata was provided in the source VideoFrame,
@@ skipping 65 matching lines @@
       // which causes crypto crashes.  http://crbug.com/519022
       if (!has_seen_zero_length_encoded_frame_ && encoded_frame->data.empty()) {
         has_seen_zero_length_encoded_frame_ = true;
 
         const char kZeroEncodeDetails[] = "zero-encode-details";
         const std::string details = base::StringPrintf(
             ("%c/%c,id=%" PRIu32 ",rtp=%" PRIu32 ",br=%d,q=%" PRIuS
              ",act=%c,ref=%d"),
             codec_profile_ == media::VP8PROFILE_ANY ? 'V' : 'H',
             key_frame ? 'K' : 'D', encoded_frame->frame_id,
-            encoded_frame->rtp_timestamp, request.target_bit_rate / 1000,
-            in_progress_frame_encodes_.size(), encoder_active_ ? 'Y' : 'N',
+            encoded_frame->rtp_timestamp.lower_32_bits(),
+            request.target_bit_rate / 1000, in_progress_frame_encodes_.size(),
+            encoder_active_ ? 'Y' : 'N',
             static_cast<int>(encoded_frame->referenced_frame_id % 1000));
         base::debug::SetCrashKeyValue(kZeroEncodeDetails, details);
         // Please forward crash reports to http://crbug.com/519022:
         base::debug::DumpWithoutCrashing();
         base::debug::ClearCrashKey(kZeroEncodeDetails);
       }
 
       encoded_frame->encode_completion_time =
           cast_environment_->Clock()->NowTicks();
       cast_environment_->PostTask(
@@ skipping 454 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