[NOT FOR REVIEW] Convert channel counts to size_t.

webrtc/modules/rtp_rtcp/interface/rtp_payload_registry.h

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_PAYLOAD_REGISTRY_H_
 #define WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_PAYLOAD_REGISTRY_H_
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_receiver_strategy.h"
 #include "webrtc/modules/rtp_rtcp/source/rtp_utility.h"
 
 namespace webrtc {
 
 // This strategy deals with the audio/video-specific aspects
 // of payload handling.
 class RTPPayloadStrategy {
  public:
   virtual ~RTPPayloadStrategy() {}
 
   virtual bool CodecsMustBeUnique() const = 0;
 
   virtual bool PayloadIsCompatible(const RtpUtility::Payload& payload,
                                    const uint32_t frequency,
-                                   const uint8_t channels,
+                                   const size_t channels,
                                    const uint32_t rate) const = 0;
 
   virtual void UpdatePayloadRate(RtpUtility::Payload* payload,
                                  const uint32_t rate) const = 0;
 
   virtual RtpUtility::Payload* CreatePayloadType(
       const char payloadName[RTP_PAYLOAD_NAME_SIZE],
       const int8_t payloadType,
       const uint32_t frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate) const = 0;
 
   virtual int GetPayloadTypeFrequency(
       const RtpUtility::Payload& payload) const = 0;
 
   static RTPPayloadStrategy* CreateStrategy(const bool handling_audio);
 
  protected:
   RTPPayloadStrategy() {}
 };
 
 class RTPPayloadRegistry {
  public:
   // The registry takes ownership of the strategy.
   RTPPayloadRegistry(RTPPayloadStrategy* rtp_payload_strategy);
   ~RTPPayloadRegistry();
 
   int32_t RegisterReceivePayload(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const int8_t payload_type,
       const uint32_t frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate,
       bool* created_new_payload_type);
 
   int32_t DeRegisterReceivePayload(
       const int8_t payload_type);
 
   int32_t ReceivePayloadType(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const uint32_t frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate,
       int8_t* payload_type) const;
 
   bool RtxEnabled() const;
 
   void SetRtxSsrc(uint32_t ssrc);
 
   bool GetRtxSsrc(uint32_t* ssrc) const;
 
   void SetRtxPayloadType(int payload_type, int associated_payload_type);
@@ skipping 54 matching lines @@
     CriticalSectionScoped cs(crit_sect_.get());
     return last_received_media_payload_type_;
   };
 
  private:
   // Prunes the payload type map of the specific payload type, if it exists.
   void DeregisterAudioCodecOrRedTypeRegardlessOfPayloadType(
       const char payload_name[RTP_PAYLOAD_NAME_SIZE],
       const size_t payload_name_length,
       const uint32_t frequency,
-      const uint8_t channels,
+      const size_t channels,
       const uint32_t rate);
 
   bool IsRtxInternal(const RTPHeader& header) const;
 
   rtc::scoped_ptr<CriticalSectionWrapper> crit_sect_;
   RtpUtility::PayloadTypeMap payload_type_map_;
   rtc::scoped_ptr<RTPPayloadStrategy> rtp_payload_strategy_;
   int8_t  red_payload_type_;
   int8_t ulpfec_payload_type_;
   int8_t incoming_payload_type_;
   int8_t  last_received_payload_type_;
   int8_t  last_received_media_payload_type_;
   bool rtx_;
   // TODO(changbin): Remove rtx_payload_type_ once interop with old clients that
   // only understand one RTX PT is no longer needed.
   int rtx_payload_type_;
   // Mapping rtx_payload_type_map_[rtx] = associated.
   std::map<int, int> rtx_payload_type_map_;
   uint32_t ssrc_rtx_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_INTERFACE_RTP_PAYLOAD_REGISTRY_H_