tor-browser

commit b6b226f9e94f8349ffb57ad1f9d299bac5248abc
parent 722cff78eb72f0c40dbd013c198b98465fed9abe
Author: Andrew Osmond <aosmond@gmail.com>
Date:   Tue, 23 Dec 2025 23:03:04 +0000

Bug 2005011 - Part 4. Remove redundant gfxVars for VP8 HW decoding status. r=media-playback-reviewers,padenot

We should prefer using the one that we use with ffmpeg, which is also
hooked up to the downloadable blocklist.

Differential Revision: https://phabricator.services.mozilla.com/D275722

Diffstat:
M
dom/media/mediasource/MediaSource.cpp
 | 
12
++++--------
M
gfx/config/gfxVars.h
 | 
1
-
M
gfx/thebes/gfxPlatform.cpp
 | 
5
-----

3 files changed, 4 insertions(+), 14 deletions(-)
diff --git a/dom/media/mediasource/MediaSource.cpp b/dom/media/mediasource/MediaSource.cpp
@@ -62,20 +62,16 @@ namespace mozilla {
 
 // Returns true if we should enable MSE webm regardless of preferences.
 // 1. If MP4/H264 isn't supported:
-//   * Windows XP
-//   * Windows Vista and Server 2008 without the optional "Platform Update
-//   Supplement"
-//   * N/KN editions (Europe and Korea) of Windows 7/8/8.1/10 without the
-//     optional "Windows Media Feature Pack"
+//   * N/KN editions (Europe and Korea) of Windows 10/11 without the optional
+//     "Windows Media Feature Pack"
+//   * Some Linux Desktop.
 // 2. If H264 hardware acceleration is not available.
-// 3. The CPU is considered to be fast enough
 static bool IsVP9Forced(DecoderDoctorDiagnostics* aDiagnostics) {
   bool mp4supported = MP4Decoder::IsSupportedType(
       MediaContainerType(MEDIAMIMETYPE(VIDEO_MP4)), aDiagnostics);
   bool hwsupported = gfx::gfxVars::CanUseHardwareVideoDecoding();
 #ifdef MOZ_WIDGET_ANDROID
-  return !mp4supported || !hwsupported ||
-         gfx::gfxVars::VP9HwDecodeIsAccelerated();
+  return !mp4supported || !hwsupported || gfx::gfxVars::UseVP9HwDecode();
 #else
   return !mp4supported || !hwsupported;
 #endif
diff --git a/gfx/config/gfxVars.h b/gfx/config/gfxVars.h
@@ -101,7 +101,6 @@ class MOZ_STACK_CLASS gfxVarsCollectUpdates;
   _(UseH264HwEncode, bool, false)                                  \
   _(UseHEVCHwDecode, bool, false)                                  \
   _(UseHEVCHwEncode, bool, false)                                  \
-  _(VP9HwDecodeIsAccelerated, bool, false)                         \
   _(HwDecodedVideoZeroCopy, bool, false)                           \
   _(UseWMFHWDWM, bool, false)                                      \
   _(UseDMABufSurfaceExport, bool, true)                            \
diff --git a/gfx/thebes/gfxPlatform.cpp b/gfx/thebes/gfxPlatform.cpp
@@ -3101,11 +3101,6 @@ void gfxPlatform::InitHardwareVideoConfig() {
   CODEC_HW_FEATURE_SETUP(HEVC)
 #endif
 
-#ifdef MOZ_WIDGET_ANDROID
-  gfxVars::SetVP9HwDecodeIsAccelerated(
-      java::HardwareCodecCapabilityUtils::HasHWVP9(false /* aIsEncoder */));
-#endif
-
 #undef CODEC_HW_FEATURE_SETUP_PLATFORM
 #undef CODEC_HW_FEATURE_SETUP
 }