Init max supported H.264 profile at runtime on iOS
Bug: webrtc:9134, webrtc:7992
Change-Id: Id24c570bf3296298901f61ee817a3d7c3f8c6347
Reviewed-on: https://webrtc-review.googlesource.com/71560
Reviewed-by: Kári Helgason <kthelgason@webrtc.org>
Commit-Queue: Kári Helgason <kthelgason@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23034}diff --git a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
index 4a5d450..fc2c1ce 100644
--- a/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
+++ b/sdk/objc/Framework/Classes/PeerConnection/RTCVideoCodec.mm
@@ -12,15 +12,70 @@
#import "NSString+StdString.h"
#import "RTCVideoCodec+Private.h"
+#if defined(WEBRTC_IOS)
+#import "UIDevice+H264Profile.h"
+#endif
#import "WebRTC/RTCVideoCodecFactory.h"
#include "media/base/mediaconstants.h"
+namespace {
+
+NSString *MaxSupportedProfileLevelConstrainedHigh();
+NSString *MaxSupportedProfileLevelConstrainedBaseline();
+
+} // namespace
+
NSString *const kRTCVideoCodecVp8Name = @(cricket::kVp8CodecName);
NSString *const kRTCVideoCodecVp9Name = @(cricket::kVp9CodecName);
NSString *const kRTCVideoCodecH264Name = @(cricket::kH264CodecName);
NSString *const kRTCLevel31ConstrainedHigh = @"640c1f";
NSString *const kRTCLevel31ConstrainedBaseline = @"42e01f";
+NSString *const kRTCMaxSupportedH264ProfileLevelConstrainedHigh =
+ MaxSupportedProfileLevelConstrainedHigh();
+NSString *const kRTCMaxSupportedH264ProfileLevelConstrainedBaseline =
+ MaxSupportedProfileLevelConstrainedBaseline();
+
+namespace {
+
+#if defined(WEBRTC_IOS)
+
+using namespace webrtc::H264;
+
+NSString *MaxSupportedLevelForProfile(Profile profile) {
+ const rtc::Optional<ProfileLevelId> profileLevelId = [UIDevice maxSupportedH264Profile];
+ if (profileLevelId && profileLevelId->profile >= profile) {
+ const rtc::Optional<std::string> profileString =
+ ProfileLevelIdToString(ProfileLevelId(profile, profileLevelId->level));
+ if (profileString) {
+ return [NSString stringForStdString:*profileString];
+ }
+ }
+ return nil;
+}
+#endif
+
+NSString *MaxSupportedProfileLevelConstrainedBaseline() {
+#if defined(WEBRTC_IOS)
+ NSString *profile = MaxSupportedLevelForProfile(webrtc::H264::kProfileConstrainedBaseline);
+ if (profile != nil) {
+ return profile;
+ }
+#endif
+ return kRTCLevel31ConstrainedBaseline;
+}
+
+NSString *MaxSupportedProfileLevelConstrainedHigh() {
+#if defined(WEBRTC_IOS)
+ NSString *profile = MaxSupportedLevelForProfile(webrtc::H264::kProfileConstrainedHigh);
+ if (profile != nil) {
+ return profile;
+ }
+#endif
+ return kRTCLevel31ConstrainedHigh;
+}
+
+} // namespace
@implementation RTCVideoCodecInfo