Move talk/examples/* to webrtc/examples.

talk/examples/objc/AppRTCDemo/ARDSDPUtils.m

Index: talk/examples/objc/AppRTCDemo/ARDSDPUtils.m
diff --git a/talk/examples/objc/AppRTCDemo/ARDSDPUtils.m b/talk/examples/objc/AppRTCDemo/ARDSDPUtils.m
deleted file mode 100644
index 25e8d4eaa68d9b68dc0d33c461b2dc2b591ed9d1..0000000000000000000000000000000000000000
--- a/talk/examples/objc/AppRTCDemo/ARDSDPUtils.m
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * 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 "RTCLogging.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]];
-  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) {
-    RTCLog(@"No m=video line, so can't prefer %@", codec);
-    return description;
-  }
-  if (!codecRtpMap) {
-    RTCLog(@"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 {
-    RTCLogWarning(@"Wrong SDP media description format: %@", lines[mLineIndex]);
-  }
-  NSString *mangledSdpString = [lines componentsJoinedByString:lineSeparator];
-  return [[RTCSessionDescription alloc] initWithType:description.type
-                                                 sdp:mangledSdpString];
-}
-
-@end