Files
platform-external-webrtc/webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc
magjed 10165ab8e7 Unify VideoCodecType to/from string functionality
BUG=None

Review-Url: https://codereview.webrtc.org/2509273002
Cr-Commit-Position: refs/heads/master@{#15200}
2016-11-22 18:17:04 +00:00

107 lines
3.5 KiB
C++

/*
* 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): Push Constrained High profile as well when negotiation is
// ready, http://crbug/webrtc/6337.
cricket::VideoCodec constrained_baseline(cricket::kH264CodecName);
// 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::ProfileLevelId constrained_baseline_profile(
H264::kProfileConstrainedBaseline, H264::kLevel3_1);
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