How i have built WebRTC for tvOs (some time ago....might not apply anymore)

changed.diff

diff --git a/webrtc/base/posix.cc b/webrtc/base/posix.cc
index 0eb24ee..7e48273 100644
--- a/webrtc/base/posix.cc
+++ b/webrtc/base/posix.cc
@@ -44,7 +44,7 @@ enum {
 
 bool RunAsDaemon(const char *file, const char *const argv[]) {
   // Fork intermediate child to daemonize.
-  pid_t pid = fork();
+  pid_t pid = -1;
   if (pid < 0) {
     LOG_ERR(LS_ERROR) << "fork()";
     return false;
@@ -68,7 +68,7 @@ bool RunAsDaemon(const char *file, const char *const argv[]) {
 #endif
 
     // Fork again to become a daemon.
-    pid = fork();
+    pid = -1;
     // It is important that everything here use _exit() and not exit(), because
     // exit() would call the destructors of all global variables in the whole
     // process, which is both unnecessary and unsafe.
@@ -81,7 +81,7 @@ bool RunAsDaemon(const char *file, const char *const argv[]) {
       // WEBRTC_POSIX requires the args to be typed as non-const for historical
       // reasons, but it mandates that the actual implementation be const, so
       // the cast is safe.
-      execvp(file, const_cast<char *const *>(argv));
+    //  execvp(file, const_cast<char *const *>(argv));
       _exit(255);  // if execvp failed
     }
 
diff --git a/webrtc/build/ios/client.webrtc/iOS64_Debug.json b/webrtc/build/ios/client.webrtc/iOS64_Debug.json
index 657ba91..110f80f 100644
--- a/webrtc/build/ios/client.webrtc/iOS64_Debug.json
+++ b/webrtc/build/ios/client.webrtc/iOS64_Debug.json
@@ -12,7 +12,7 @@
   },
   "compiler": "ninja",
   "configuration": "Debug",
-  "sdk": "iphoneos9.0",
+  "sdk": "tvos9.0",
   "tests": [
   ]
 }
diff --git a/webrtc/build/ios/client.webrtc/iOS64_Release.json b/webrtc/build/ios/client.webrtc/iOS64_Release.json
index 097a1b1..d9e1095 100644
--- a/webrtc/build/ios/client.webrtc/iOS64_Release.json
+++ b/webrtc/build/ios/client.webrtc/iOS64_Release.json
@@ -12,7 +12,7 @@
   },
   "compiler": "ninja",
   "configuration": "Release",
-  "sdk": "iphoneos9.0",
+  "sdk": "appletvos9.1",
   "tests": [
   ]
 }
diff --git a/webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m b/webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m
index 6f52657..e855efb 100644
--- a/webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m
+++ b/webrtc/examples/objc/AppRTCDemo/ios/ARDMainView.m
@@ -120,9 +120,7 @@ static CGFloat const kAppLabelHeight = 20;
   UILabel *_appLabel;
   ARDRoomTextField *_roomText;
   UILabel *_callOptionsLabel;
-  UISwitch *_audioOnlySwitch;
   UILabel *_audioOnlyLabel;
-  UISwitch *_loopbackSwitch;
   UILabel *_loopbackLabel;
   UIButton *_startCallButton;
   UIButton *_audioLoopButton;
@@ -162,9 +160,6 @@ static CGFloat const kAppLabelHeight = 20;
     [_callOptionsLabel sizeToFit];
     [self addSubview:_callOptionsLabel];
 
-    _audioOnlySwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
-    [_audioOnlySwitch sizeToFit];
-    [self addSubview:_audioOnlySwitch];
 
     _audioOnlyLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     _audioOnlyLabel.text = @"Audio only";
@@ -173,9 +168,6 @@ static CGFloat const kAppLabelHeight = 20;
     [_audioOnlyLabel sizeToFit];
     [self addSubview:_audioOnlyLabel];
 
-    _loopbackSwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
-    [_loopbackSwitch sizeToFit];
-    [self addSubview:_loopbackSwitch];
 
     _loopbackLabel = [[UILabel alloc] initWithFrame:CGRectZero];
     _loopbackLabel.text = @"Loopback mode";
@@ -242,34 +234,6 @@ static CGFloat const kAppLabelHeight = 20;
 
   CGFloat audioOnlyTop =
       CGRectGetMaxY(_callOptionsLabel.frame) + kCallControlMargin * 2;
-  CGRect audioOnlyRect = CGRectMake(kCallControlMargin * 3,
-                                    audioOnlyTop,
-                                    _audioOnlySwitch.frame.size.width,
-                                    _audioOnlySwitch.frame.size.height);
-  _audioOnlySwitch.frame = audioOnlyRect;
-  CGFloat audioOnlyLabelCenterX = CGRectGetMaxX(audioOnlyRect) +
-      kCallControlMargin + _audioOnlyLabel.frame.size.width / 2;
-  _audioOnlyLabel.center = CGPointMake(audioOnlyLabelCenterX,
-                                       CGRectGetMidY(audioOnlyRect));
-
-  CGFloat loopbackModeTop =
-      CGRectGetMaxY(_audioOnlySwitch.frame) + kCallControlMargin;
-  CGRect loopbackModeRect = CGRectMake(kCallControlMargin * 3,
-                                       loopbackModeTop,
-                                       _loopbackSwitch.frame.size.width,
-                                       _loopbackSwitch.frame.size.height);
-  _loopbackSwitch.frame = loopbackModeRect;
-  CGFloat loopbackModeLabelCenterX = CGRectGetMaxX(loopbackModeRect) +
-      kCallControlMargin + _loopbackLabel.frame.size.width / 2;
-  _loopbackLabel.center = CGPointMake(loopbackModeLabelCenterX,
-                                      CGRectGetMidY(loopbackModeRect));
-
-  CGFloat audioLoopTop =
-     CGRectGetMaxY(loopbackModeRect) + kCallControlMargin * 3;
-  _audioLoopButton.frame = CGRectMake(kCallControlMargin,
-                                      audioLoopTop,
-                                      _audioLoopButton.frame.size.width,
-                                      _audioLoopButton.frame.size.height);
 
   CGFloat startCallTop =
       CGRectGetMaxY(_audioLoopButton.frame) + kCallControlMargin * 3;
@@ -307,14 +271,14 @@ static CGFloat const kAppLabelHeight = 20;
 - (void)onStartCall:(id)sender {
   NSString *room = _roomText.roomText;
   // If this is a loopback call, allow a generated room name.
-  if (!room.length && _loopbackSwitch.isOn) {
+  if (!room.length) {
     room = [[NSUUID UUID] UUIDString];
   }
   room = [room stringByReplacingOccurrencesOfString:@"-" withString:@""];
   [_delegate mainView:self
          didInputRoom:room
-           isLoopback:_loopbackSwitch.isOn
-          isAudioOnly:_audioOnlySwitch.isOn];
+           isLoopback:YES
+          isAudioOnly:NO];
 }
 
 @end
diff --git a/webrtc/examples/objc/AppRTCDemo/ios/ARDMainViewController.m b/webrtc/examples/objc/AppRTCDemo/ios/ARDMainViewController.m
index 8de6f6a..b883eea 100644
--- a/webrtc/examples/objc/AppRTCDemo/ios/ARDMainViewController.m
+++ b/webrtc/examples/objc/AppRTCDemo/ios/ARDMainViewController.m
@@ -80,12 +80,6 @@
 #pragma mark - Private
 
 - (void)showAlertWithMessage:(NSString*)message {
-  UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil
-                                                      message:message
-                                                     delegate:nil
-                                            cancelButtonTitle:@"OK"
-                                            otherButtonTitles:nil];
-  [alertView show];
 }
 
 @end
diff --git a/webrtc/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m b/webrtc/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m
index 51290a0..5b2a7a3 100644
--- a/webrtc/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m
+++ b/webrtc/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m
@@ -185,12 +185,6 @@
 }
 
 - (void)showAlertWithMessage:(NSString*)message {
-  UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil
-                                                      message:message
-                                                     delegate:nil
-                                            cancelButtonTitle:@"OK"
-                                            otherButtonTitles:nil];
-  [alertView show];
 }
 
 @end
diff --git a/webrtc/media/engine/webrtcvideoengine2.cc b/webrtc/media/engine/webrtcvideoengine2.cc
index 02de6b8..c80113b 100644
--- a/webrtc/media/engine/webrtcvideoengine2.cc
+++ b/webrtc/media/engine/webrtcvideoengine2.cc
@@ -163,8 +163,7 @@ bool CodecIsInternallySupported(const std::string& codec_name) {
     return true;
   }
   if (CodecNamesEq(codec_name, kH264CodecName)) {
-    return webrtc::H264Encoder::IsSupported() &&
-        webrtc::H264Decoder::IsSupported();
+    return false;
   }
   return false;
 }
diff --git a/webrtc/modules/audio_device/ios/audio_device_ios.mm b/webrtc/modules/audio_device/ios/audio_device_ios.mm
index 4390f49..0411f53 100644
--- a/webrtc/modules/audio_device/ios/audio_device_ios.mm
+++ b/webrtc/modules/audio_device/ios/audio_device_ios.mm
@@ -120,13 +120,9 @@ static bool VerifyAudioSession(RTCAudioSession* session) {
   }
 
   // Ensure that the required category and mode are actually activated.
-  if (![session.category isEqualToString:AVAudioSessionCategoryPlayAndRecord]) {
+  if (![session.category isEqualToString:AVAudioSessionCategoryPlayback) {
     LOG(LS_ERROR)
-        << "Failed to set category to AVAudioSessionCategoryPlayAndRecord";
-    return false;
-  }
-  if (![session.mode isEqualToString:AVAudioSessionModeVoiceChat]) {
-    LOG(LS_ERROR) << "Failed to set mode to AVAudioSessionModeVoiceChat";
+        << "Failed to set category to AVAudioSessionCategoryPlayback";
     return false;
   }
   return true;
@@ -156,19 +152,12 @@ static bool ActivateAudioSession(RTCAudioSession* session, bool activate) {
   // audio sessions which are also nonmixable.
   if (session.category != AVAudioSessionCategoryPlayAndRecord) {
     error = nil;
-    success = [session setCategory:AVAudioSessionCategoryPlayAndRecord
-                       withOptions:AVAudioSessionCategoryOptionAllowBluetooth
+    success = [session setCategory:AVAudioSessionCategoryPlayback
+			    withOptions: 0
                              error:&error];
     RTC_DCHECK(CheckAndLogError(success, error));
   }
 
-  // Specify mode for two-way voice communication (e.g. VoIP).
-  if (session.mode != AVAudioSessionModeVoiceChat) {
-    error = nil;
-    success = [session setMode:AVAudioSessionModeVoiceChat error:&error];
-    RTC_DCHECK(CheckAndLogError(success, error));
-  }
-
   // Set the session's sample rate or the hardware sample rate.
   // It is essential that we use the same sample rate as stream format
   // to ensure that the I/O unit does not have to do sample rate conversion.
@@ -442,37 +431,12 @@ int32_t AudioDeviceIOS::StopRecording() {
 // Change the default receiver playout route to speaker.
 int32_t AudioDeviceIOS::SetLoudspeakerStatus(bool enable) {
   LOGI() << "SetLoudspeakerStatus(" << enable << ")";
-
-  RTCAudioSession* session = [RTCAudioSession sharedInstance];
-  [session lockForConfiguration];
-  NSString* category = session.category;
-  AVAudioSessionCategoryOptions options = session.categoryOptions;
-  // Respect old category options if category is
-  // AVAudioSessionCategoryPlayAndRecord. Otherwise reset it since old options
-  // might not be valid for this category.
-  if ([category isEqualToString:AVAudioSessionCategoryPlayAndRecord]) {
-    if (enable) {
-      options |= AVAudioSessionCategoryOptionDefaultToSpeaker;
-    } else {
-      options &= ~AVAudioSessionCategoryOptionDefaultToSpeaker;
-    }
-  } else {
-    options = AVAudioSessionCategoryOptionDefaultToSpeaker;
-  }
-  NSError* error = nil;
-  BOOL success = [session setCategory:AVAudioSessionCategoryPlayAndRecord
-                          withOptions:options
-                                error:&error];
-  ios::CheckAndLogError(success, error);
-  [session unlockForConfiguration];
-  return (error == nil) ? 0 : -1;
+  return 0;
 }
 
 int32_t AudioDeviceIOS::GetLoudspeakerStatus(bool& enabled) const {
   LOGI() << "GetLoudspeakerStatus";
-  RTCAudioSession* session = [RTCAudioSession sharedInstance];
-  AVAudioSessionCategoryOptions options = session.categoryOptions;
-  enabled = options & AVAudioSessionCategoryOptionDefaultToSpeaker;
+  enabled = 1;
   return 0;
 }
 
diff --git a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
index ea7c546..1fa6182 100644
--- a/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
+++ b/webrtc/modules/audio_device/ios/objc/RTCAudioSession.mm
@@ -266,7 +266,7 @@ NSInteger const kRTCAudioSessionErrorLockRequired = -1;
   if (![self checkLock:outError]) {
     return NO;
   }
-  return [self.session setCategory:category withOptions:options error:outError];
+  return [self.session setCategory:category error:outError];
 }
 
 - (BOOL)setMode:(NSString *)mode error:(NSError **)outError {
diff --git a/webrtc/modules/video_capture/video_capture_factory.cc b/webrtc/modules/video_capture/video_capture_factory.cc
index 618c08b..8cc9222 100644
--- a/webrtc/modules/video_capture/video_capture_factory.cc
+++ b/webrtc/modules/video_capture/video_capture_factory.cc
@@ -17,25 +17,17 @@ namespace webrtc
 
 VideoCaptureModule* VideoCaptureFactory::Create(const int32_t id,
     const char* deviceUniqueIdUTF8) {
-#if defined(ANDROID)
   return nullptr;
-#else
-  return videocapturemodule::VideoCaptureImpl::Create(id, deviceUniqueIdUTF8);
-#endif
 }
 
 VideoCaptureModule* VideoCaptureFactory::Create(const int32_t id,
     VideoCaptureExternal*& externalCapture) {
-  return videocapturemodule::VideoCaptureImpl::Create(id, externalCapture);
+  return nullptr;
 }
 
 VideoCaptureModule::DeviceInfo* VideoCaptureFactory::CreateDeviceInfo(
     const int32_t id) {
-#if defined(ANDROID)
   return nullptr;
-#else
-  return videocapturemodule::VideoCaptureImpl::CreateDeviceInfo(id);
-#endif
 }
 
 }  // namespace webrtc
diff --git a/webrtc/modules/video_coding/codec_database.cc b/webrtc/modules/video_coding/codec_database.cc
index a5a7c1e..777184c 100644
--- a/webrtc/modules/video_coding/codec_database.cc
+++ b/webrtc/modules/video_coding/codec_database.cc
@@ -586,10 +586,7 @@ VCMGenericDecoder* VCMCodecDataBase::CreateDecoder(VideoCodecType type) const {
     case kVideoCodecI420:
       return new VCMGenericDecoder(new I420Decoder());
     case kVideoCodecH264:
-      if (H264Decoder::IsSupported()) {
-        return new VCMGenericDecoder(H264Decoder::Create());
-      }
-      break;
+      return nullptr;
     default:
       break;
   }
diff --git a/webrtc/video/overuse_frame_detector.cc b/webrtc/video/overuse_frame_detector.cc
index 522a505..4f56137 100644
--- a/webrtc/video/overuse_frame_detector.cc
+++ b/webrtc/video/overuse_frame_detector.cc
@@ -56,7 +56,7 @@ CpuOveruseOptions::CpuOveruseOptions()
       min_frame_samples(120),
       min_process_count(3),
       high_threshold_consecutive_count(2) {
-#if defined(WEBRTC_MAC)
+#if defined(WEBRTC_MAC_NOTHANKS)
   // This is proof-of-concept code for letting the physical core count affect
   // the interval into which we attempt to scale. For now, the code is Mac OS
   // specific, since that's the platform were we saw most problems.
diff --git a/webrtc/video/video_decoder.cc b/webrtc/video/video_decoder.cc
index 8e0a503..5b9bedc 100644
--- a/webrtc/video/video_decoder.cc
+++ b/webrtc/video/video_decoder.cc
@@ -19,13 +19,11 @@
 namespace webrtc {
 VideoDecoder* VideoDecoder::Create(VideoDecoder::DecoderType codec_type) {
   switch (codec_type) {
-    case kH264:
-      RTC_DCHECK(H264Decoder::IsSupported());
-      return H264Decoder::Create();
     case kVp8:
       return VP8Decoder::Create();
     case kVp9:
       return VP9Decoder::Create();
+    case kH264:
     case kUnsupportedCodec:
       LOG(LS_ERROR) << "Creating NullVideoDecoder for unsupported codec.";
       return new NullVideoDecoder();
diff --git a/webrtc/video/video_encoder.cc b/webrtc/video/video_encoder.cc
index e85e3d9..cf34141 100644
--- a/webrtc/video/video_encoder.cc
+++ b/webrtc/video/video_encoder.cc
@@ -19,13 +19,11 @@
 namespace webrtc {
 VideoEncoder* VideoEncoder::Create(VideoEncoder::EncoderType codec_type) {
   switch (codec_type) {
-    case kH264:
-      RTC_DCHECK(H264Encoder::IsSupported());
-      return H264Encoder::Create();
     case kVp8:
       return VP8Encoder::Create();
     case kVp9:
       return VP9Encoder::Create();
+    case kH264:
     case kUnsupportedCodec:
       RTC_NOTREACHED();
       return nullptr;

tvosify.sh

listcontains() {
  for word in $1; do
    [[ $word = $2 ]] && return 0
  done
  return 1
}

ninjas=`find src/out_tvos -name '*.ninja'`

ninjas=$(echo "$ninjas" | tr ' ' '\n' | sort -u | tr '\n' ' ')
exclude_ninjas="src/out_tvos/Release-iphoneos/obj/webrtc/modules/webrtc_h264_video_toolbox.ninja src/out_tvos/Release-iphoneos/obj/webrtc/modules/webrtc_h264.ninja src/out_tvos/Release-iphoneos/obj/webrtc/modules/video_capture_module_internal_impl.ninja"
echo $ninjas

for ninja in $ninjas; do
    
    if listcontains "$exclude_ninjas" "$ninja";
    then
	echo "ignoring $ninja"
    else
      sed -i -- "s/iPhoneOS.platform\/Developer\/SDKs\/iPhoneOS9.2.sdk/AppleTVOS.platform\/Developer\/SDKs\/AppleTVOS9.1.sdk/g" $ninja
      sed -i -- "s/libwebrtc_h264_video_toolbox.a//g" $ninja
      sed -i -- "s/libwebrtc_h264.a//g" $ninja
      sed -i -- "s/-framework VideoToolbox//g" $ninja
      sed -i -- "s/iphoneos-version/appletvos-version/g" $ninja
      sed -i -- "s/libvideo_capture_module_internal_impl.a//g" $ninja
    fi
done

sed -i -- "s/obj\/talk\/app\/webrtc\/objc\/libjingle_peerconnection_objc.avfoundationvideocapturer.o $/g"  src/out_tvos/Release-iphoneos/obj/talk/app/webrtc/ibjingle_peerconnection_objc.ninja
sed -i -- "s/obj\/talk\/app\/webrtc\/objc\/libjingle_peerconnection_objc.RTCAVFoundationVideoSource.o $/g"  src/out_tvos/Release-iphoneos/obj/talk/app/webrtc/ibjingle_peerconnection_objc.ninja

Hey @nerdo did this work?