1 files changed, 85 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoDecoderFactory.m b/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoDecoderFactory.m
new file mode 100644
index 0000000000..6e3baa8750
--- /dev/null
+++ b/third_party/libwebrtc/sdk/objc/components/video_codec/RTCDefaultVideoDecoderFactory.m
@@ -0,0 +1,85 @@
+/*
+ *  Copyright 2017 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 "RTCDefaultVideoDecoderFactory.h"
+
+#import "RTCH264ProfileLevelId.h"
+#import "RTCVideoDecoderH264.h"
+#import "api/video_codec/RTCVideoCodecConstants.h"
+#import "api/video_codec/RTCVideoDecoderVP8.h"
+#import "api/video_codec/RTCVideoDecoderVP9.h"
+#import "base/RTCVideoCodecInfo.h"
+
+#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
+#import "api/video_codec/RTCVideoDecoderAV1.h"  // nogncheck
+#endif
+
+@implementation RTC_OBJC_TYPE (RTCDefaultVideoDecoderFactory)
+
+- (NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs {
+  NSDictionary<NSString *, NSString *> *constrainedHighParams = @{
+    @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedHigh,
+    @"level-asymmetry-allowed" : @"1",
+    @"packetization-mode" : @"1",
+  };
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedHighInfo =
+      [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name
+                                                  parameters:constrainedHighParams];
+
+  NSDictionary<NSString *, NSString *> *constrainedBaselineParams = @{
+    @"profile-level-id" : kRTCMaxSupportedH264ProfileLevelConstrainedBaseline,
+    @"level-asymmetry-allowed" : @"1",
+    @"packetization-mode" : @"1",
+  };
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *constrainedBaselineInfo =
+      [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecH264Name
+                                                  parameters:constrainedBaselineParams];
+
+  RTC_OBJC_TYPE(RTCVideoCodecInfo) *vp8Info =
+      [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp8Name];
+
+  NSMutableArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *result = [@[
+    constrainedHighInfo,
+    constrainedBaselineInfo,
+    vp8Info,
+  ] mutableCopy];
+
+  if ([RTC_OBJC_TYPE(RTCVideoDecoderVP9) isSupported]) {
+    [result
+        addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecVp9Name]];
+  }
+
+#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
+  [result addObject:[[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:kRTCVideoCodecAv1Name]];
+#endif
+
+  return result;
+}
+
+- (id<RTC_OBJC_TYPE(RTCVideoDecoder)>)createDecoder:(RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info {
+  if ([info.name isEqualToString:kRTCVideoCodecH264Name]) {
+    return [[RTC_OBJC_TYPE(RTCVideoDecoderH264) alloc] init];
+  } else if ([info.name isEqualToString:kRTCVideoCodecVp8Name]) {
+    return [RTC_OBJC_TYPE(RTCVideoDecoderVP8) vp8Decoder];
+  } else if ([info.name isEqualToString:kRTCVideoCodecVp9Name] &&
+             [RTC_OBJC_TYPE(RTCVideoDecoderVP9) isSupported]) {
+    return [RTC_OBJC_TYPE(RTCVideoDecoderVP9) vp9Decoder];
+  }
+
+#if defined(RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY)
+  if ([info.name isEqualToString:kRTCVideoCodecAv1Name]) {
+    return [RTC_OBJC_TYPE(RTCVideoDecoderAV1) av1Decoder];
+  }
+#endif
+
+  return nil;
+}
+
+@end