a0349c138d
Initial CL for this effort, with a working RTCVideoEncoder/Decoder for H264
(wrapping the VideoToolbox codec).
Some notes / things left to do:
- There are some hard-coded references to codec types that are supported by
webrtc::VideoCodec, cricket::VideoCodec, webrtc::CodecSpecificInfo etc
since we need to convert to/from these types in ObjCVideoEncoder/Decoder.
These types would need to be more codec agnostic to avoid this.
- Most interfaces are borrowed from the design document for injectable
codecs in Android. Some data in the corresponding C++ classes is discarded
when converting to the Obj-C version, since it has fewer fields. I have not
verified whether all data that we do keep is needed, or whether we might be
losing anything useful in these conversions.
- Implement the VideoToolbox codec code directly in the RTCVideoEncoderH264
classes, instead of wrapping webrtc::H264VideoToolboxEncoder / decoder.
Eliminates converting between ObjC/C++ types outside the ObjCVideoEncoder/
Decoder wrapper classes.
- List the injected codec factory's supported codecs in the list of codecs in
AppRTCMobile.
BUG=webrtc:7924
R=magjed@webrtc.org
Review-Url: https://codereview.webrtc.org/2966023002 .
Cr-Commit-Position: refs/heads/master@{#18928}
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
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#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
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#include <string>
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namespace webrtc {
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namespace ios {
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bool CheckAndLogError(BOOL success, NSError* error);
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NSString *NSStringFromStdString(const std::string& stdString);
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std::string StdStringFromNSString(NSString* nsString);
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// Return thread ID as a string.
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std::string GetThreadId();
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// Return thread ID as string suitable for debug logging.
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std::string GetThreadInfo();
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// Returns [NSThread currentThread] description as string.
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// Example: <NSThread: 0x170066d80>{number = 1, name = main}
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std::string GetCurrentThreadDescription();
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#if defined(WEBRTC_IOS)
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// Returns the current name of the operating system.
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std::string GetSystemName();
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// Returns the current version of the operating system as a string.
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std::string GetSystemVersionAsString();
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// Returns the version of the operating system in double representation.
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// Uses a cached value of the system version.
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double GetSystemVersion();
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// Returns the device type.
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// Examples: ”iPhone” and ”iPod touch”.
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std::string GetDeviceType();
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#endif // defined(WEBRTC_IOS)
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// Returns a more detailed device name.
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// Examples: "iPhone 5s (GSM)" and "iPhone 6 Plus".
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std::string GetDeviceName();
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// Returns the name of the process. Does not uniquely identify the process.
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std::string GetProcessName();
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// Returns the identifier of the process (often called process ID).
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int GetProcessID();
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// Returns a string containing the version of the operating system on which the
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// process is executing. The string is string is human readable, localized, and
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// is appropriate for displaying to the user.
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std::string GetOSVersionString();
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// Returns the number of processing cores available on the device.
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int GetProcessorCount();
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#if defined(WEBRTC_IOS)
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// Indicates whether Low Power Mode is enabled on the iOS device.
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bool GetLowPowerModeEnabled();
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#endif
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} // namespace ios
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} // namespace webrtc
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#endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COMMON_HELPERS_H_
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