Source code
Revision control
Copy as Markdown
Other Tools
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "DefaultCodecPreferences.h"
#include "gmp/GMPUtils.h"
#include "libwebrtcglue/VideoConduit.h"
#include "mozilla/StaticPrefs_media.h"
namespace mozilla {
bool DefaultCodecPreferences::AV1EnabledStatic() {
return WebrtcVideoConduit::HasAv1() &&
StaticPrefs::media_webrtc_codec_video_av1_enabled();
}
bool DefaultCodecPreferences::AV1PreferredStatic() {
return StaticPrefs::media_webrtc_codec_video_av1_experimental_preferred();
}
bool DefaultCodecPreferences::H264EnabledStatic() {
return SoftwareH264EnabledStatic() || HardwareH264EnabledStatic();
}
bool DefaultCodecPreferences::SoftwareH264EnabledStatic() {
#ifdef MOZ_WIDGET_ANDROID
// Although Play Store policy doesn't allow GMP plugin, Android has H.264 SW
// codec.
MOZ_ASSERT(!HaveGMPFor("encode-video"_ns, {"h264"_ns}),
"GMP plugin not allowed on Android");
return true;
#else
return HaveGMPFor("encode-video"_ns, {"h264"_ns}) &&
HaveGMPFor("decode-video"_ns, {"h264"_ns});
#endif
}
bool DefaultCodecPreferences::HardwareH264EnabledStatic() {
return WebrtcVideoConduit::HasH264Hardware() &&
Preferences::GetBool("media.webrtc.hw.h264.enabled", false);
}
bool DefaultCodecPreferences::
SendingH264PacketizationModeZeroSupportedStatic() {
// Packetization mode 0 is unsupported by MediaDataEncoder.
return HaveGMPFor("encode-video"_ns, {"h264"_ns});
}
} // namespace mozilla