Index: webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc |
diff --git a/webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc b/webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6fcb182a6c404a4e36bb4901a32a8b64a1a1bdcc |
--- /dev/null |
+++ b/webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc |
@@ -0,0 +1,115 @@ |
+/* |
+ * 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" |
+#include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_decoder.h" |
+#include "webrtc/sdk/objc/Framework/Classes/h264_video_toolbox_encoder.h" |
+#include "webrtc/system_wrappers/include/field_trial.h" |
+ |
+namespace webrtc { |
+ |
+namespace { |
+const char kHighProfileExperiment[] = "WebRTC-H264HighProfile"; |
+ |
+bool IsHighProfileEnabled() { |
+ return field_trial::IsEnabled(kHighProfileExperiment); |
+} |
+} |
+ |
+// VideoToolboxVideoEncoderFactory |
+ |
+VideoToolboxVideoEncoderFactory::VideoToolboxVideoEncoderFactory() { |
+} |
+ |
+VideoToolboxVideoEncoderFactory::~VideoToolboxVideoEncoderFactory() {} |
+ |
+VideoEncoder* VideoToolboxVideoEncoderFactory::CreateVideoEncoder( |
+ const cricket::VideoCodec& codec) { |
+ if (FindMatchingCodec(supported_codecs_, codec)) { |
+ LOG(LS_INFO) << "Creating HW encoder for " << codec.name; |
+ return new H264VideoToolboxEncoder(codec); |
+ } |
+ LOG(LS_INFO) << "No HW encoder found for codec " << codec.name; |
+ return nullptr; |
+} |
+ |
+void VideoToolboxVideoEncoderFactory::DestroyVideoEncoder( |
+ VideoEncoder* encoder) { |
+ delete encoder; |
+ encoder = nullptr; |
+} |
+ |
+const std::vector<cricket::VideoCodec>& |
+VideoToolboxVideoEncoderFactory::supported_codecs() const { |
+ supported_codecs_.clear(); |
+ |
+ // 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; |
+ |
+ if (IsHighProfileEnabled()) { |
+ 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); |
+ |
+ return supported_codecs_; |
+} |
+ |
+// VideoToolboxVideoDecoderFactory |
+ |
+VideoToolboxVideoDecoderFactory::VideoToolboxVideoDecoderFactory() { |
+ supported_codecs_.push_back(cricket::VideoCodec("H264")); |
+} |
+ |
+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 (FindMatchingCodec(supported_codecs_, codec)) { |
+ LOG(LS_INFO) << "Creating HW decoder for " << codec.name; |
+ return new H264VideoToolboxDecoder(); |
+ } |
+ LOG(LS_INFO) << "No HW decoder found for codec " << codec.name; |
+ return nullptr; |
+} |
+ |
+void VideoToolboxVideoDecoderFactory::DestroyVideoDecoder( |
+ VideoDecoder* decoder) { |
+ delete decoder; |
+ decoder = nullptr; |
+} |
+ |
+} // namespace webrtc |