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webrtc/sdk/objc/components/video_codec/UIDevice+H264Profile.mm
Artem Titov 63ee39d0be Revert "Add a prefix for objc category." 
This reverts commit 181ea6e414.

Reason for revert: Breaks downstream project. Kári will help to land it next week.

Original change's description:
> Add a prefix for objc category.
>
> According to the Google Objective-C style [1], category names should
> start with an appropriate prefix. WebRTC has some category definitions
> for system interfaces, but it doesn't use prefixes.
>
> $ otool -ov WebRTC.framework/WebRTC | grep -E "^[0-9a-z]{16} 0x[0-9a-z]+ __OBJC_._CATEGORY" | grep -v "_RTC"
> 0000000002160840 0x217c3c0 __OBJC_$_CATEGORY_UIDevice_$_H264Profile
> 0000000002160850 0x21808b8 __OBJC_$_CATEGORY_AVCaptureSession_$_DevicePosition
> 0000000002160858 0x2180968 __OBJC_$_CATEGORY_NSString_$_StdString
> 0000000002160860 0x21809c8 __OBJC_$_CATEGORY_NSString_$_AbslStringView
>
> To avoid conflicts, prefix the names and methods of those categories.
> Also remove sdk/objc/Framework/Classes/Common/NSString+StdString.h as
> it is not used by any other files.
>
> [1] https://google.github.io/styleguide/objcguide.html#category-naming
>
> Bug: webrtc:13884
> Change-Id: I2cf2742af198ab4e0bfb15c0476d72971e50ceee
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262341
> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
> Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
> Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
> Reviewed-by: Artem Titov <titovartem@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#36880}

Bug: webrtc:13884
Change-Id: I85257088e4a3a62e01ff925ab5e77af83b078ef3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262420
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Auto-Submit: Artem Titov <titovartem@webrtc.org>
Owners-Override: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36885}
2022-05-13 14:47:54 +00:00

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/*
* Copyright 2018 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.
*/
#import "UIDevice+H264Profile.h"
#import "helpers/UIDevice+RTCDevice.h"
#include <algorithm>
namespace {
using namespace webrtc;
struct SupportedH264Profile {
const RTCDeviceType deviceType;
const H264ProfileLevelId profile;
};
constexpr SupportedH264Profile kH264MaxSupportedProfiles[] = {
// iPhones with at least iOS 9
{RTCDeviceTypeIPhone13ProMax,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP848
{RTCDeviceTypeIPhone13Pro,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP852
{RTCDeviceTypeIPhone13,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP851
{RTCDeviceTypeIPhone13Mini,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP847
{RTCDeviceTypeIPhoneSE2Gen,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP820
{RTCDeviceTypeIPhone12ProMax,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP832
{RTCDeviceTypeIPhone12Pro,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP831
{RTCDeviceTypeIPhone12,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP830
{RTCDeviceTypeIPhone12Mini,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP829
{RTCDeviceTypeIPhone11ProMax,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP806
{RTCDeviceTypeIPhone11Pro,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP805
{RTCDeviceTypeIPhone11,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP804
{RTCDeviceTypeIPhoneXS,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP779
{RTCDeviceTypeIPhoneXSMax,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP780
{RTCDeviceTypeIPhoneXR,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP781
{RTCDeviceTypeIPhoneX,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP770
{RTCDeviceTypeIPhone8,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP767
{RTCDeviceTypeIPhone8Plus,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP768
{RTCDeviceTypeIPhone7,
{H264Profile::kProfileHigh, H264Level::kLevel5_1}}, // https://support.apple.com/kb/SP743
{RTCDeviceTypeIPhone7Plus,
{H264Profile::kProfileHigh, H264Level::kLevel5_1}}, // https://support.apple.com/kb/SP744
{RTCDeviceTypeIPhoneSE,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP738
{RTCDeviceTypeIPhone6S,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP726
{RTCDeviceTypeIPhone6SPlus,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP727
{RTCDeviceTypeIPhone6,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP705
{RTCDeviceTypeIPhone6Plus,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP706
{RTCDeviceTypeIPhone5SGSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP685
{RTCDeviceTypeIPhone5SGSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP685
{RTCDeviceTypeIPhone5GSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP655
{RTCDeviceTypeIPhone5GSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP655
{RTCDeviceTypeIPhone5CGSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP684
{RTCDeviceTypeIPhone5CGSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP684
{RTCDeviceTypeIPhone4S,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP643
// iPods with at least iOS 9
{RTCDeviceTypeIPodTouch7G,
{H264Profile::kProfileMain, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP796
{RTCDeviceTypeIPodTouch6G,
{H264Profile::kProfileMain, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP720
{RTCDeviceTypeIPodTouch5G,
{H264Profile::kProfileMain, H264Level::kLevel3_1}}, // https://support.apple.com/kb/SP657
// iPads with at least iOS 9
{RTCDeviceTypeIPadAir4Gen,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP828
{RTCDeviceTypeIPad8,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP822
{RTCDeviceTypeIPadPro4Gen12Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP815
{RTCDeviceTypeIPadPro4Gen11Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP814
{RTCDeviceTypeIPadAir3Gen,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP787
{RTCDeviceTypeIPadMini5Gen,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP788
{RTCDeviceTypeIPadPro3Gen12Inch,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP785
{RTCDeviceTypeIPadPro3Gen11Inch,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP784
{RTCDeviceTypeIPad7Gen10Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP807
{RTCDeviceTypeIPad2Wifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP622
{RTCDeviceTypeIPad2GSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP622
{RTCDeviceTypeIPad2CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP622
{RTCDeviceTypeIPad2Wifi2,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP622
{RTCDeviceTypeIPadMiniWifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP661
{RTCDeviceTypeIPadMiniGSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP661
{RTCDeviceTypeIPadMiniGSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP661
{RTCDeviceTypeIPad3Wifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP647
{RTCDeviceTypeIPad3GSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP647
{RTCDeviceTypeIPad3GSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP647
{RTCDeviceTypeIPad4Wifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP662
{RTCDeviceTypeIPad4GSM,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP662
{RTCDeviceTypeIPad4GSM_CDMA,
{H264Profile::kProfileHigh, H264Level::kLevel4_1}}, // https://support.apple.com/kb/SP662
{RTCDeviceTypeIPad5,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP751
{RTCDeviceTypeIPad6,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP774
{RTCDeviceTypeIPadAirWifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP692
{RTCDeviceTypeIPadAirCellular,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP692
{RTCDeviceTypeIPadAirWifiCellular,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP692
{RTCDeviceTypeIPadAir2,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP708
{RTCDeviceTypeIPadMini2GWifi,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP693
{RTCDeviceTypeIPadMini2GCellular,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP693
{RTCDeviceTypeIPadMini2GWifiCellular,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP693
{RTCDeviceTypeIPadMini3,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP709
{RTCDeviceTypeIPadMini4,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP725
{RTCDeviceTypeIPadPro9Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP739
{RTCDeviceTypeIPadPro12Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/sp723
{RTCDeviceTypeIPadPro12Inch2,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP761
{RTCDeviceTypeIPadPro10Inch,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP762
{RTCDeviceTypeIPadMini6,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP850
{RTCDeviceTypeIPad9,
{H264Profile::kProfileHigh, H264Level::kLevel4_2}}, // https://support.apple.com/kb/SP849
{RTCDeviceTypeIPadPro5Gen12Inch,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP844
{RTCDeviceTypeIPadPro5Gen11Inch,
{H264Profile::kProfileHigh, H264Level::kLevel5_2}}, // https://support.apple.com/kb/SP843
};
absl::optional<H264ProfileLevelId> FindMaxSupportedProfileForDevice(RTCDeviceType deviceType) {
const auto* result = std::find_if(std::begin(kH264MaxSupportedProfiles),
std::end(kH264MaxSupportedProfiles),
[deviceType](const SupportedH264Profile& supportedProfile) {
return supportedProfile.deviceType == deviceType;
});
if (result != std::end(kH264MaxSupportedProfiles)) {
return result->profile;
}
return absl::nullopt;
}
} // namespace
@implementation UIDevice (H264Profile)
+ (absl::optional<webrtc::H264ProfileLevelId>)maxSupportedH264Profile {
return FindMaxSupportedProfileForDevice([self deviceType]);
}
@end
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