Enable VideoToolbox encoder on mac

webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc

 /*
  *  Copyright 2015 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.
  */
 #include "webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.h"
 
 #include "webrtc/base/logging.h"
 #include "webrtc/common_video/h264/profile_level_id.h"
 #include "webrtc/media/base/codec.h"
-#if defined(WEBRTC_IOS)
 #include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.h"
 #include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.h"
-#endif
 
 namespace webrtc {
 
 // VideoToolboxVideoEncoderFactory
 
 VideoToolboxVideoEncoderFactory::VideoToolboxVideoEncoderFactory() {
-// Hardware H264 encoding only supported on iOS for now.
-#if defined(WEBRTC_IOS)
   // TODO(magjed): Enumerate actual level instead of using hardcoded level 3.1.
   // Level 3.1 is 1280x720@30fps which is enough for now.
   const H264::Level level = H264::kLevel3_1;
 
   cricket::VideoCodec constrained_high(cricket::kH264CodecName);
   const H264::ProfileLevelId constrained_high_profile(
       H264::kProfileConstrainedHigh, level);
   constrained_high.SetParam(
       cricket::kH264FmtpProfileLevelId,
       *H264::ProfileLevelIdToString(constrained_high_profile));
   constrained_high.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1");
   constrained_high.SetParam(cricket::kH264FmtpPacketizationMode, "1");
   supported_codecs_.push_back(constrained_high);
 
   cricket::VideoCodec constrained_baseline(cricket::kH264CodecName);
   const H264::ProfileLevelId constrained_baseline_profile(
       H264::kProfileConstrainedBaseline, level);
   constrained_baseline.SetParam(
       cricket::kH264FmtpProfileLevelId,
       *H264::ProfileLevelIdToString(constrained_baseline_profile));
   constrained_baseline.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1");
   constrained_baseline.SetParam(cricket::kH264FmtpPacketizationMode, "1");
   supported_codecs_.push_back(constrained_baseline);
-#endif
 }
 
 VideoToolboxVideoEncoderFactory::~VideoToolboxVideoEncoderFactory() {}
 
 VideoEncoder* VideoToolboxVideoEncoderFactory::CreateVideoEncoder(
     const cricket::VideoCodec& codec) {
-#if defined(WEBRTC_IOS)
   if (FindMatchingCodec(supported_codecs_, codec)) {
     LOG(LS_INFO) << "Creating HW encoder for " << codec.name;
     return new H264VideoToolboxEncoder(codec);
   }
-#endif
   LOG(LS_INFO) << "No HW encoder found for codec " << codec.name;
   return nullptr;
 }
 
 void VideoToolboxVideoEncoderFactory::DestroyVideoEncoder(
     VideoEncoder* encoder) {
-#if defined(WEBRTC_IOS)
   delete encoder;
   encoder = nullptr;
-#endif
 }
 
 const std::vector<cricket::VideoCodec>&
 VideoToolboxVideoEncoderFactory::supported_codecs() const {
   return supported_codecs_;
 }
 
 // VideoToolboxVideoDecoderFactory
 
 VideoToolboxVideoDecoderFactory::VideoToolboxVideoDecoderFactory() {
-#if defined(WEBRTC_IOS)
   supported_codecs_.push_back(cricket::VideoCodec("H264"));
-#endif
 }
 
 VideoToolboxVideoDecoderFactory::~VideoToolboxVideoDecoderFactory() {}
 
 VideoDecoder* VideoToolboxVideoDecoderFactory::CreateVideoDecoder(
     VideoCodecType type) {
   const rtc::Optional<const char*> codec_name = CodecTypeToPayloadName(type);
   if (!codec_name) {
     LOG(LS_ERROR) << "Invalid codec type: " << type;
     return nullptr;
   }
   const cricket::VideoCodec codec(*codec_name);
-#if defined(WEBRTC_IOS)
   if (FindMatchingCodec(supported_codecs_, codec)) {
     LOG(LS_INFO) << "Creating HW decoder for " << codec.name;
     return new H264VideoToolboxDecoder();
   }
-#endif
   LOG(LS_INFO) << "No HW decoder found for codec " << codec.name;
   return nullptr;
 }
 
 void VideoToolboxVideoDecoderFactory::DestroyVideoDecoder(
     VideoDecoder* decoder) {
-#if defined(WEBRTC_IOS)
   delete decoder;
   decoder = nullptr;
-#endif
 }
 
 }  // namespace webrtc