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diff --git a/src/rtc_base/system/gcd_helpers.m b/src/rtc_base/system/gcd_helpers.m
index fd9a361f..3a63be6d 100644
--- a/src/rtc_base/system/gcd_helpers.m
+++ b/src/rtc_base/system/gcd_helpers.m
@@ -13,9 +13,6 @@
dispatch_queue_t RTCDispatchQueueCreateWithTarget(const char *label,
dispatch_queue_attr_t attr,
dispatch_queue_t target) {
- if (@available(iOS 10, macOS 10.12, tvOS 10, watchOS 3, *)) {
- return dispatch_queue_create_with_target(label, attr, target);
- }
dispatch_queue_t queue = dispatch_queue_create(label, attr);
dispatch_set_target_queue(queue, target);
return queue;
diff --git a/src/sdk/objc/components/video_codec/nalu_rewriter.cc b/src/sdk/objc/components/video_codec/nalu_rewriter.cc
index 61c1e7d6..b19f3f91 100644
--- a/src/sdk/objc/components/video_codec/nalu_rewriter.cc
+++ b/src/sdk/objc/components/video_codec/nalu_rewriter.cc
@@ -245,10 +245,7 @@ bool H265CMSampleBufferToAnnexBBuffer(
int nalu_header_size = 0;
size_t param_set_count = 0;
OSStatus status = noErr;
- if (__builtin_available(macOS 10.13, *)) {
- status = CMVideoFormatDescriptionGetHEVCParameterSetAtIndex(
- description, 0, nullptr, nullptr, ¶m_set_count, &nalu_header_size);
- } else {
+ {
RTC_LOG(LS_ERROR) << "Not supported.";
return false;
}
@@ -271,10 +268,7 @@ bool H265CMSampleBufferToAnnexBBuffer(
size_t param_set_size = 0;
const uint8_t* param_set = nullptr;
for (size_t i = 0; i < param_set_count; ++i) {
- if (__builtin_available(macOS 10.13, *)) {
- status = CMVideoFormatDescriptionGetHEVCParameterSetAtIndex(
- description, i, ¶m_set, ¶m_set_size, nullptr, nullptr);
- } else {
+ {
RTC_LOG(LS_ERROR) << "Not supported.";
return false;
}
@@ -514,11 +508,7 @@ CMVideoFormatDescriptionRef CreateH265VideoFormatDescription(
// Parse the SPS and PPS into a CMVideoFormatDescription.
CMVideoFormatDescriptionRef description = nullptr;
OSStatus status = noErr;
- if (__builtin_available(macOS 10.13, *)) {
- status = CMVideoFormatDescriptionCreateFromHEVCParameterSets(
- kCFAllocatorDefault, 3, param_set_ptrs, param_set_sizes, 4, nullptr,
- &description);
- } else {
+ {
RTC_LOG(LS_ERROR) << "Not supported.";
return nullptr;
}
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