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| 1 /* | |
| 2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 #include "webrtc/sdk/objc/Framework/Classes/VideoToolbox/videocodecfactory.h" | |
| 11 | |
| 12 #include "webrtc/common_video/h264/profile_level_id.h" | |
| 13 #include "webrtc/media/base/codec.h" | |
| 14 #include "webrtc/rtc_base/logging.h" | |
| 15 #include "webrtc/sdk/objc/Framework/Classes/VideoToolbox/decoder.h" | |
| 16 #include "webrtc/sdk/objc/Framework/Classes/VideoToolbox/encoder.h" | |
| 17 #include "webrtc/system_wrappers/include/field_trial.h" | |
| 18 | |
| 19 namespace webrtc { | |
| 20 | |
| 21 namespace { | |
| 22 const char kHighProfileExperiment[] = "WebRTC-H264HighProfile"; | |
| 23 | |
| 24 bool IsHighProfileEnabled() { | |
| 25 return field_trial::IsEnabled(kHighProfileExperiment); | |
| 26 } | |
| 27 } | |
| 28 | |
| 29 // VideoToolboxVideoEncoderFactory | |
| 30 | |
| 31 VideoToolboxVideoEncoderFactory::VideoToolboxVideoEncoderFactory() {} | |
| 32 | |
| 33 VideoToolboxVideoEncoderFactory::~VideoToolboxVideoEncoderFactory() {} | |
| 34 | |
| 35 VideoEncoder* VideoToolboxVideoEncoderFactory::CreateVideoEncoder( | |
| 36 const cricket::VideoCodec& codec) { | |
| 37 if (FindMatchingCodec(supported_codecs_, codec)) { | |
| 38 LOG(LS_INFO) << "Creating HW encoder for " << codec.name; | |
| 39 return new H264VideoToolboxEncoder(codec); | |
| 40 } | |
| 41 LOG(LS_INFO) << "No HW encoder found for codec " << codec.name; | |
| 42 return nullptr; | |
| 43 } | |
| 44 | |
| 45 void VideoToolboxVideoEncoderFactory::DestroyVideoEncoder(VideoEncoder* encoder)
{ | |
| 46 delete encoder; | |
| 47 encoder = nullptr; | |
| 48 } | |
| 49 | |
| 50 const std::vector<cricket::VideoCodec>& VideoToolboxVideoEncoderFactory::support
ed_codecs() const { | |
| 51 supported_codecs_.clear(); | |
| 52 | |
| 53 // TODO(magjed): Enumerate actual level instead of using hardcoded level 3.1. | |
| 54 // Level 3.1 is 1280x720@30fps which is enough for now. | |
| 55 const H264::Level level = H264::kLevel3_1; | |
| 56 | |
| 57 if (IsHighProfileEnabled()) { | |
| 58 cricket::VideoCodec constrained_high(cricket::kH264CodecName); | |
| 59 const H264::ProfileLevelId constrained_high_profile(H264::kProfileConstraine
dHigh, level); | |
| 60 constrained_high.SetParam(cricket::kH264FmtpProfileLevelId, | |
| 61 *H264::ProfileLevelIdToString(constrained_high_pro
file)); | |
| 62 constrained_high.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1"); | |
| 63 constrained_high.SetParam(cricket::kH264FmtpPacketizationMode, "1"); | |
| 64 supported_codecs_.push_back(constrained_high); | |
| 65 } | |
| 66 | |
| 67 cricket::VideoCodec constrained_baseline(cricket::kH264CodecName); | |
| 68 const H264::ProfileLevelId constrained_baseline_profile(H264::kProfileConstrai
nedBaseline, level); | |
| 69 constrained_baseline.SetParam(cricket::kH264FmtpProfileLevelId, | |
| 70 *H264::ProfileLevelIdToString(constrained_baseli
ne_profile)); | |
| 71 constrained_baseline.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1"); | |
| 72 constrained_baseline.SetParam(cricket::kH264FmtpPacketizationMode, "1"); | |
| 73 supported_codecs_.push_back(constrained_baseline); | |
| 74 | |
| 75 return supported_codecs_; | |
| 76 } | |
| 77 | |
| 78 // VideoToolboxVideoDecoderFactory | |
| 79 | |
| 80 VideoToolboxVideoDecoderFactory::VideoToolboxVideoDecoderFactory() { | |
| 81 supported_codecs_.push_back(cricket::VideoCodec("H264")); | |
| 82 } | |
| 83 | |
| 84 VideoToolboxVideoDecoderFactory::~VideoToolboxVideoDecoderFactory() {} | |
| 85 | |
| 86 VideoDecoder* VideoToolboxVideoDecoderFactory::CreateVideoDecoder(VideoCodecType
type) { | |
| 87 const rtc::Optional<const char*> codec_name = CodecTypeToPayloadName(type); | |
| 88 if (!codec_name) { | |
| 89 LOG(LS_ERROR) << "Invalid codec type: " << type; | |
| 90 return nullptr; | |
| 91 } | |
| 92 const cricket::VideoCodec codec(*codec_name); | |
| 93 if (FindMatchingCodec(supported_codecs_, codec)) { | |
| 94 LOG(LS_INFO) << "Creating HW decoder for " << codec.name; | |
| 95 return new H264VideoToolboxDecoder(); | |
| 96 } | |
| 97 LOG(LS_INFO) << "No HW decoder found for codec " << codec.name; | |
| 98 return nullptr; | |
| 99 } | |
| 100 | |
| 101 void VideoToolboxVideoDecoderFactory::DestroyVideoDecoder(VideoDecoder* decoder)
{ | |
| 102 delete decoder; | |
| 103 decoder = nullptr; | |
| 104 } | |
| 105 | |
| 106 } // namespace webrtc | |
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Chromium Code Reviews
Issue 2977213002:
Reland of Injectable Obj-C video codecs (Closed)
