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--- media/base/media_switches.cc.orig 2025-05-31 17:16:41 UTC
+++ media/base/media_switches.cc
@@ -19,7 +19,7 @@
#include "ui/gl/gl_features.h"
#include "ui/gl/gl_utils.h"
-#if BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
#include "base/cpu.h"
#endif
@@ -366,8 +366,8 @@ BASE_FEATURE(kUseSCContentSharingPicker,
"UseSCContentSharingPicker",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // BUILDFLAG(IS_MAC)
-
-#if BUILDFLAG(IS_LINUX)
+
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
// Enables system audio mirroring using pulseaudio.
BASE_FEATURE(kPulseaudioLoopbackForCast,
"PulseaudioLoopbackForCast",
@@ -377,6 +377,28 @@ BASE_FEATURE(kPulseaudioLoopbackForCast,
BASE_FEATURE(kPulseaudioLoopbackForScreenShare,
"PulseaudioLoopbackForScreenShare",
base::FEATURE_DISABLED_BY_DEFAULT);
+
+BASE_FEATURE(kAudioBackend,
+ "AudioBackend",
+ base::FEATURE_ENABLED_BY_DEFAULT);
+
+constexpr base::FeatureParam<AudioBackend>::Option
+ kAudioBackendOptions[] = {
+ {AudioBackend::kAuto,
+ "auto"},
+ {AudioBackend::kPulseAudio, "pulseaudio"},
+ {AudioBackend::kSndio, "sndio"},
+ {AudioBackend::kAlsa, "alsa"}};
+
+const base::FeatureParam<AudioBackend>
+ kAudioBackendParam{
+ &kAudioBackend, "audio-backend",
+#if BUILDFLAG(IS_OPENBSD)
+ AudioBackend::kSndio,
+#elif BUILDFLAG(IS_FREEBSD)
+ AudioBackend::kAuto,
+#endif
+ &kAudioBackendOptions};
#endif // BUILDFLAG(IS_LINUX)
// When enabled, MediaCapabilities will check with GPU Video Accelerator
@@ -658,7 +680,7 @@ BASE_FEATURE(kFileDialogsBlockPictureInPicture,
// Show toolbar button that opens dialog for controlling media sessions.
BASE_FEATURE(kGlobalMediaControls,
"GlobalMediaControls",
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
@@ -681,7 +703,7 @@ BASE_FEATURE(kGlobalMediaControlsUpdatedUI,
// If enabled, users can request Media Remoting without fullscreen-in-tab.
BASE_FEATURE(kMediaRemotingWithoutFullscreen,
"MediaRemotingWithoutFullscreen",
-#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
@@ -693,7 +715,7 @@ BASE_FEATURE(kMediaRemotingWithoutFullscreen,
BASE_FEATURE(kGlobalMediaControlsPictureInPicture,
"GlobalMediaControlsPictureInPicture",
#if BUILDFLAG(IS_WIN) || BUILDFLAG(IS_MAC) || BUILDFLAG(IS_LINUX) || \
- BUILDFLAG(IS_CHROMEOS)
+ BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
base::FEATURE_ENABLED_BY_DEFAULT
#else
base::FEATURE_DISABLED_BY_DEFAULT
@@ -722,7 +744,7 @@ BASE_FEATURE(kUnifiedAutoplay,
"UnifiedAutoplay",
base::FEATURE_ENABLED_BY_DEFAULT);
-#if BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
// Enable vaapi/v4l2 video decoding on linux. This is already enabled by default
// on chromeos, but needs an experiment on linux.
BASE_FEATURE(kAcceleratedVideoDecodeLinux,
@@ -795,7 +817,7 @@ BASE_FEATURE(kVSyncMjpegDecoding,
"VSyncMjpegDecoding",
base::FEATURE_DISABLED_BY_DEFAULT);
#endif // defined(ARCH_CPU_X86_FAMILY) && BUILDFLAG(IS_CHROMEOS)
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
// Enable H264 temporal layer encoding with V4L2 HW encoder on ChromeOS.
BASE_FEATURE(kV4L2H264TemporalLayerHWEncoding,
"V4L2H264TemporalLayerHWEncoding",
@@ -1340,7 +1362,7 @@ BASE_FEATURE(kUseOutOfProcessVideoDecoding,
);
#endif // BUILDFLAG(ALLOW_OOP_VIDEO_DECODER)
-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
+#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_BSD)
// Spawn utility processes to perform hardware encode acceleration instead of
// using the GPU process.
BASE_FEATURE(kUseOutOfProcessVideoEncoding,
@@ -1422,7 +1444,7 @@ BASE_FEATURE(kRecordWebAudioEngagement,
"RecordWebAudioEngagement",
base::FEATURE_ENABLED_BY_DEFAULT);
-#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX)
+#if BUILDFLAG(IS_CHROMEOS) || BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_BSD)
// Reduces the number of buffers needed in the output video frame pool to
// populate the Renderer pipeline for hardware accelerated VideoDecoder in
// non-low latency scenarios.
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