AppRTCDemo file logging.

talk/examples/objc/AppRTCDemo/ARDSDPUtils.m

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
  *     this list of conditions and the following disclaimer in the documentation
  *     and/or other materials provided with the distribution.
  *  3. The name of the author may not be used to endorse or promote products
  *     derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #import "ARDSDPUtils.h"
 
+#import "ARDLogging.h"
 #import "RTCSessionDescription.h"
 
 @implementation ARDSDPUtils
 
 + (RTCSessionDescription *)
     descriptionForDescription:(RTCSessionDescription *)description
           preferredVideoCodec:(NSString *)codec {
   NSString *sdpString = description.description;
   NSString *lineSeparator = @"\n";
   NSString *mLineSeparator = @" ";
   // Copied from PeerConnectionClient.java.
   // TODO(tkchin): Move this to a shared C++ file.
   NSMutableArray *lines =
       [NSMutableArray arrayWithArray:
           [sdpString componentsSeparatedByString:lineSeparator]];
-  int mLineIndex = -1;
+  NSInteger mLineIndex = -1;
   NSString *codecRtpMap = nil;
   // a=rtpmap:<payload type> <encoding name>/<clock rate>
   // [/<encoding parameters>]
   NSString *pattern =
       [NSString stringWithFormat:@"^a=rtpmap:(\\d+) %@(/\\d+)+[\r]?$", codec];
   NSRegularExpression *regex =
       [NSRegularExpression regularExpressionWithPattern:pattern
                                                 options:0
                                                   error:nil];
   for (NSInteger i = 0; (i < lines.count) && (mLineIndex == -1 || !codecRtpMap);
        ++i) {
     NSString *line = lines[i];
     if ([line hasPrefix:@"m=video"]) {
       mLineIndex = i;
       continue;
     }
     NSTextCheckingResult *codecMatches =
         [regex firstMatchInString:line
                           options:0
                             range:NSMakeRange(0, line.length)];
     if (codecMatches) {
       codecRtpMap =
           [line substringWithRange:[codecMatches rangeAtIndex:1]];
       continue;
     }
   }
   if (mLineIndex == -1) {
-    NSLog(@"No m=video line, so can't prefer %@", codec);
+    ARDLog(@"No m=video line, so can't prefer %@", codec);
     return description;
   }
   if (!codecRtpMap) {
-    NSLog(@"No rtpmap for %@", codec);
+    ARDLog(@"No rtpmap for %@", codec);
     return description;
   }
   NSArray *origMLineParts =
       [lines[mLineIndex] componentsSeparatedByString:mLineSeparator];
   if (origMLineParts.count > 3) {
     NSMutableArray *newMLineParts =
         [NSMutableArray arrayWithCapacity:origMLineParts.count];
     NSInteger origPartIndex = 0;
     // Format is: m=<media> <port> <proto> <fmt> ...
     [newMLineParts addObject:origMLineParts[origPartIndex++]];
     [newMLineParts addObject:origMLineParts[origPartIndex++]];
     [newMLineParts addObject:origMLineParts[origPartIndex++]];
     [newMLineParts addObject:codecRtpMap];
     for (; origPartIndex < origMLineParts.count; ++origPartIndex) {
       if (![codecRtpMap isEqualToString:origMLineParts[origPartIndex]]) {
         [newMLineParts addObject:origMLineParts[origPartIndex]];
       }
     }
     NSString *newMLine =
         [newMLineParts componentsJoinedByString:mLineSeparator];
     [lines replaceObjectAtIndex:mLineIndex
                      withObject:newMLine];
   } else {
-    NSLog(@"Wrong SDP media description format: %@", lines[mLineIndex]);
+    ARDLog(@"Wrong SDP media description format: %@", lines[mLineIndex]);
   }
   NSString *mangledSdpString = [lines componentsJoinedByString:lineSeparator];
   return [[RTCSessionDescription alloc] initWithType:description.type
                                                  sdp:mangledSdpString];
 }
 
 @end