60 lines
2.7 KiB
Diff
60 lines
2.7 KiB
Diff
diff --git a/src/3rdparty/chromium/media/gpu/mac/vt_video_encode_accelerator_mac.cc b/src/3rdparty/chromium/media/gpu/mac/vt_video_encode_accelerator_mac.cc
|
|
index 6a3a777..249d4cc 100644
|
|
--- a/src/3rdparty/chromium/media/gpu/mac/vt_video_encode_accelerator_mac.cc
|
|
+++ b/src/3rdparty/chromium/media/gpu/mac/vt_video_encode_accelerator_mac.cc
|
|
@@ -20,12 +20,6 @@
|
|
#include "media/base/media_log.h"
|
|
#include "media/base/video_frame.h"
|
|
|
|
-// This is a min version of macOS where we want to support SVC encoding via
|
|
-// EnableLowLatencyRateControl flag. The flag is actually supported since 11.3,
|
|
-// but there we see frame drops even with ample bitrate budget. Excessive frame
|
|
-// drops were fixed in 12.0.1.
|
|
-#define LOW_LATENCY_FLAG_AVAILABLE_VER 12.0.1
|
|
-
|
|
namespace media {
|
|
|
|
namespace {
|
|
@@ -150,8 +144,6 @@ VTVideoEncodeAccelerator::GetSupportedProfiles() {
|
|
profile.max_framerate_numerator = kMaxFrameRateNumerator;
|
|
profile.max_framerate_denominator = kMaxFrameRateDenominator;
|
|
profile.max_resolution = gfx::Size(kMaxResolutionWidth, kMaxResolutionHeight);
|
|
- if (__builtin_available(macOS LOW_LATENCY_FLAG_AVAILABLE_VER, *))
|
|
- profile.scalability_modes.push_back(SVCScalabilityMode::kL1T2);
|
|
for (const auto& supported_profile : kSupportedProfiles) {
|
|
profile.profile = supported_profile;
|
|
profiles.push_back(profile);
|
|
@@ -595,13 +587,6 @@ bool VTVideoEncodeAccelerator::CreateCompressionSession(
|
|
kVTVideoEncoderSpecification_RequireHardwareAcceleratedVideoEncoder};
|
|
std::vector<CFTypeRef> encoder_values{kCFBooleanTrue};
|
|
|
|
- if (__builtin_available(macOS LOW_LATENCY_FLAG_AVAILABLE_VER, *)) {
|
|
- if (require_low_delay_) {
|
|
- encoder_keys.push_back(
|
|
- kVTVideoEncoderSpecification_EnableLowLatencyRateControl);
|
|
- encoder_values.push_back(kCFBooleanTrue);
|
|
- }
|
|
- }
|
|
base::ScopedCFTypeRef<CFDictionaryRef> encoder_spec =
|
|
video_toolbox::DictionaryWithKeysAndValues(
|
|
encoder_keys.data(), encoder_values.data(), encoder_keys.size());
|
|
@@ -669,19 +654,8 @@ bool VTVideoEncodeAccelerator::ConfigureCompressionSession() {
|
|
}
|
|
|
|
if (num_temporal_layers_ == 2) {
|
|
- if (__builtin_available(macOS LOW_LATENCY_FLAG_AVAILABLE_VER, *)) {
|
|
- if (!session_property_setter.IsSupported(
|
|
- kVTCompressionPropertyKey_BaseLayerFrameRateFraction)) {
|
|
- DLOG(ERROR) << "BaseLayerFrameRateFraction is not supported";
|
|
- return false;
|
|
- }
|
|
- rv &= session_property_setter.Set(
|
|
- kVTCompressionPropertyKey_BaseLayerFrameRateFraction, 0.5);
|
|
- DLOG_IF(ERROR, !rv) << " Setting BaseLayerFrameRate property failed.";
|
|
- } else {
|
|
DLOG(ERROR) << "SVC encoding is not supported on this OS version.";
|
|
rv = false;
|
|
- }
|
|
}
|
|
|
|
return rv;
|