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webrtc/sdk/objc/components/video_codec/UIDevice+H264Profile.mm
Yury Yarashevich ea7f3d7230 Update iOS H264 profile+level table. 
Added H264 profile level information for new devices.
Use machine name to form table to simplify later updates.
Implemented workaround for unknown devices.

Previous update was done as part of:
https://webrtc-review.googlesource.com/c/src/+/256976

Device machine names obtained from:
https://gist.github.com/adamawolf/3048717

Machine name to device model matching was done with:
https://everymac.com/ultimate-mac-lookup/


Bug: webrtc:15094
Change-Id: I85b7faa51b9f239d0b7783b9926449e02f5482d3
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/303760
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39962}
2023-04-28 08:45:25 +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 char* machineName;
const H264ProfileLevelId profile;
};
constexpr SupportedH264Profile kH264MaxSupportedProfiles[] = {
// iPhones with at least iOS 12
{"iPhone15,3", /* https://support.apple.com/kb/SP876 iPhone 14 Pro Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone15,2", /* https://support.apple.com/kb/SP875 iPhone 14 Pro */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,8", /* https://support.apple.com/kb/SP874 iPhone 14 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,7", /* https://support.apple.com/kb/SP873 iPhone 14 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,6", /* https://support.apple.com/kb/SP867 iPhone SE 3rd Gen */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,5", /* https://support.apple.com/kb/SP851 iPhone 13 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,4", /* https://support.apple.com/kb/SP847 Phone 13 Mini */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,3", /* https://support.apple.com/kb/SP848 iPhone 13 Pro Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone14,2", /* https://support.apple.com/kb/SP852 iPhone 13 Pro */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone13,4", /* https://support.apple.com/kb/SP832 iPhone 12 Pro Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone13,3", /* https://support.apple.com/kb/SP831 iPhone 12 Pro */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone13,2", /* https://support.apple.com/kb/SP830 iPhone 12 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone13,1", /* https://support.apple.com/kb/SP829 iPhone 12 mini */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone12,8", /* https://support.apple.com/kb/SP820 iPhone SE (2nd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone12,5", /* https://support.apple.com/kb/SP806 iPhone 11 Pro Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone12,3", /* https://support.apple.com/kb/SP805 iPhone 11 pro */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone12,1", /* https://support.apple.com/kb/SP804 iPhone 11 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone11,8", /* https://support.apple.com/kb/SP781 iPhone XR */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone11,6", /* https://support.apple.com/kb/SP780 iPhone XS Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone11,4", /* https://support.apple.com/kb/SP780 iPhone XS Max */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone11,2", /* https://support.apple.com/kb/SP779 iPhone XS */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,6", /* https://support.apple.com/kb/SP770 iPhone X */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,5", /* https://support.apple.com/kb/SP768 iPhone 8 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,4", /* https://support.apple.com/kb/SP767 iPhone 8 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,3", /* https://support.apple.com/kb/SP770 iPhone X */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,2", /* https://support.apple.com/kb/SP768 iPhone 8 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone10,1", /* https://support.apple.com/kb/SP767 iPhone 8 */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPhone9,4", /* https://support.apple.com/kb/SP744 iPhone 7 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPhone9,3", /* https://support.apple.com/kb/SP743 iPhone 7 */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPhone9,2", /* https://support.apple.com/kb/SP744 iPhone 7 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPhone9,1", /* https://support.apple.com/kb/SP743 iPhone 7 */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPhone8,4", /* https://support.apple.com/kb/SP738 iPhone SE */
{H264Profile::kProfileHigh, H264Level::kLevel4_2}},
{"iPhone8,2", /* https://support.apple.com/kb/SP727 iPhone 6s Plus */
{H264Profile::kProfileHigh, H264Level::kLevel4_2}},
{"iPhone8,1", /* https://support.apple.com/kb/SP726 iPhone 6s */
{H264Profile::kProfileHigh, H264Level::kLevel4_2}},
{"iPhone7,2", /* https://support.apple.com/kb/SP705 iPhone 6 */
{H264Profile::kProfileHigh, H264Level::kLevel4_2}},
{"iPhone7,1", /* https://support.apple.com/kb/SP706 iPhone 6 Plus */
{H264Profile::kProfileHigh, H264Level::kLevel4_2}},
{"iPhone6,2", /* https://support.apple.com/kb/SP685 iPhone 5s */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPhone6,1", /* https://support.apple.com/kb/SP685 iPhone 5s */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
// iPods with at least iOS 12
{"iPod9,1", /* https://support.apple.com/kb/SP796 iPod touch (7th generation) */
{H264Profile::kProfileMain, H264Level::kLevel4_1}},
{"iPod7,1", /* https://support.apple.com/kb/SP720 iPod touch (6th generation) */
{H264Profile::kProfileMain, H264Level::kLevel4_1}},
// iPads with at least iOS 12
{"iPad14,6", /* https://support.apple.com/kb/SP883 iPad Pro 12.9-inch (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad14,5", /* https://support.apple.com/kb/SP883 iPad Pro 12.9-inch (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad14,4", /* https://support.apple.com/kb/SP882 iPad Pro 11-inch (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad14,3", /* https://support.apple.com/kb/SP882 iPad Pro 11-inch (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad14,2", /* https://support.apple.com/kb/SP850 iPad mini (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad14,1", /* https://support.apple.com/kb/SP850 iPad mini (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,19", /* https://support.apple.com/kb/SP884 iPad (10th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,18", /* https://support.apple.com/kb/SP884 iPad (10th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,17", /* https://support.apple.com/kb/SP866 iPad Air (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,16", /* https://support.apple.com/kb/SP866 iPad Air (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,11", /* https://support.apple.com/kb/SP844 iPad Pro, 12.9-inch (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,10", /* https://support.apple.com/kb/SP844 iPad Pro, 12.9-inch (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,9", /* https://support.apple.com/kb/SP844 iPad Pro, 12.9-inch (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,8", /* https://support.apple.com/kb/SP844 iPad Pro, 12.9-inch (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,7", /* https://support.apple.com/kb/SP843 iPad Pro, 11-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,6", /* https://support.apple.com/kb/SP843 iPad Pro, 11-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,5", /* https://support.apple.com/kb/SP843 iPad Pro, 11-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,4", /* https://support.apple.com/kb/SP843 iPad Pro, 11-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,2", /* https://support.apple.com/kb/SP828 iPad Air (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad13,1", /* https://support.apple.com/kb/SP828 iPad Air (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad12,2", /* https://support.apple.com/kb/SP849 iPad (9th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad12,1", /* https://support.apple.com/kb/SP849 iPad (9th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,7", /* https://support.apple.com/kb/SP822 iPad (8th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,6", /* https://support.apple.com/kb/SP822 iPad (8th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,4", /* https://support.apple.com/kb/SP787 iPad Air (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,3", /* https://support.apple.com/kb/SP787 iPad Air (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,2", /* https://support.apple.com/kb/SP788 iPad mini (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad11,1", /* https://support.apple.com/kb/SP788 iPad mini (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad8,12", /* https://support.apple.com/kb/SP815 iPad Pro 12.9-inch (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,11", /* https://support.apple.com/kb/SP815 iPad Pro 12.9-inch (4th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,10", /* https://support.apple.com/kb/SP814 iPad Pro 11-inch (2nd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,9", /* https://support.apple.com/kb/SP814 iPad Pro 11-inch (2nd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,8", /* https://support.apple.com/kb/SP785 iPad Pro 12.9-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,7", /* https://support.apple.com/kb/SP785 iPad Pro 12.9-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,6", /* https://support.apple.com/kb/SP785 iPad Pro 12.9-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,5", /* https://support.apple.com/kb/SP785 iPad Pro 12.9-inch (3rd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,4", /* https://support.apple.com/kb/SP784 iPad Pro 11-inch (1st generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,3", /* https://support.apple.com/kb/SP784 iPad Pro 11-inch (1st generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,2", /* https://support.apple.com/kb/SP784 iPad Pro 11-inch (1st generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad8,1", /* https://support.apple.com/kb/SP784 iPad Pro 11-inch (1st generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_2}},
{"iPad7,12", /* https://support.apple.com/kb/SP807 iPad (7th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad7,11", /* https://support.apple.com/kb/SP807 iPad (7th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad7,6", /* https://support.apple.com/kb/SP774 iPad (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad7,5", /* https://support.apple.com/kb/SP774 iPad (6th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad7,4", /* https://support.apple.com/kb/SP762 iPad Pro (10.5-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad7,3", /* https://support.apple.com/kb/SP762 iPad Pro (10.5-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad7,2", /* https://support.apple.com/kb/SP761 iPad Pro (12.9-inch) (2nd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad7,1", /* https://support.apple.com/kb/SP761 iPad Pro (12.9-inch) (2nd generation) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad6,12", /* https://support.apple.com/kb/SP751 iPad (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad6,11", /* https://support.apple.com/kb/SP751 iPad (5th generation) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad6,8", /* https://support.apple.com/kb/SP723 iPad Pro (12.9-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad6,7", /* https://support.apple.com/kb/SP723 iPad Pro (12.9-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad6,4", /* https://support.apple.com/kb/SP739 iPad Pro (9.7-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad6,3", /* https://support.apple.com/kb/SP739 iPad Pro (9.7-inch) */
{H264Profile::kProfileHigh, H264Level::kLevel5_1}},
{"iPad5,4", /* https://support.apple.com/kb/sp708 iPad Air 2 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad5,3", /* https://support.apple.com/kb/sp708 iPad Air 2 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad5,2", /* https://support.apple.com/kb/sp725 iPad mini 4 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad5,1", /* https://support.apple.com/kb/sp725 iPad mini 4 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,9", /* https://support.apple.com/kb/sp709 iPad mini 3 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,8", /* https://support.apple.com/kb/sp709 iPad mini 3 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,7", /* https://support.apple.com/kb/sp709 iPad mini 3 */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,6", /* https://support.apple.com/kb/sp693 iPad mini 2 with Retina display */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,5", /* https://support.apple.com/kb/sp693 iPad mini 2 with Retina display */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,4", /* https://support.apple.com/kb/sp693 iPad mini 2 with Retina display */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,3", /* https://support.apple.com/kb/SP692 iPad Air */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,2", /* https://support.apple.com/kb/SP692 iPad Air */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
{"iPad4,1", /* https://support.apple.com/kb/SP692 iPad Air */
{H264Profile::kProfileHigh, H264Level::kLevel4_1}},
};
absl::optional<H264ProfileLevelId> FindMaxSupportedProfileForDevice(NSString* machineName) {
const auto* result =
std::find_if(std::begin(kH264MaxSupportedProfiles),
std::end(kH264MaxSupportedProfiles),
[machineName](const SupportedH264Profile& supportedProfile) {
return [machineName isEqualToString:@(supportedProfile.machineName)];
});
if (result != std::end(kH264MaxSupportedProfiles)) {
return result->profile;
}
if ([machineName hasPrefix:@"iPhone"] || [machineName hasPrefix:@"iPad"]) {
H264ProfileLevelId fallbackProfile{H264Profile::kProfileHigh, H264Level::kLevel4_1};
return fallbackProfile;
}
if ([machineName hasPrefix:@"iPod"]) {
H264ProfileLevelId fallbackProfile{H264Profile::kProfileMain, H264Level::kLevel4_1};
return fallbackProfile;
}
return absl::nullopt;
}
} // namespace
@implementation UIDevice (H264Profile)
+ (absl::optional<webrtc::H264ProfileLevelId>)maxSupportedH264Profile {
return FindMaxSupportedProfileForDevice([UIDevice machineName]);
}
@end
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