Bug 1575983 - Remove duplicate media.* prefs. r=njn

Removes the 14 duplicate media.* prefs from all.js. Replaces default values in StaticPrefList.yaml with their all.js counterparts where needed. Imports comments from all.js.

Differential Revision: https://phabricator.services.mozilla.com/D44566

--HG--
extra : moz-landing-system : lando

modules/libpref/init/StaticPrefList.yaml

@@ -5325,6 +5325,10 @@
 # These prefs use camel case instead of snake case for the getter because one
 # reviewer had an unshakeable preference for that. Who could that be?
 
+# If "media.autoplay.default" is not ALLOWED, and this pref is true,
+# then audible media would only be allowed to autoplay after website has
+# been activated by specific user gestures, but non-audible
+# media won't be restricted.
 - name: media.autoplay.enabled.user-gestures-needed
   type: bool
   value: false
@@ -5893,17 +5897,14 @@
   mirror: always
 
 - name: media.av1.use-dav1d
-#if defined(XP_WIN) && !defined(_ARM64_)
   type: RelaxedAtomicBool
+#if defined(XP_WIN) && !defined(_ARM64_)
   value: true
 #elif defined(XP_MACOSX)
-  type: RelaxedAtomicBool
   value: true
 #elif defined(XP_UNIX) && !defined(ANDROID)
-  type: RelaxedAtomicBool
   value: true
 #else
-  type: RelaxedAtomicBool
   value: false
 #endif
   mirror: always
@@ -6092,6 +6093,8 @@
     type: RelaxedAtomicBool
   #if defined(ANDROID)
     value: false
+  #elif defined(_ARM64_) && defined(XP_WIN)
+    value: false
   #else
     value: true
   #endif

modules/libpref/init/all.js

@@ -413,9 +413,6 @@ pref("media.hardware-video-decoding.enabled", true);
 #endif
 pref("media.gmp.decoder.aac", 0);
 pref("media.gmp.decoder.h264", 0);
-pref("media.opus.enabled", true);
-pref("media.wave.enabled", true);
-pref("media.webm.enabled", true);
 
 // GMP storage version number. At startup we check the version against
 // media.gmp.storage.version.observed, and if the versions don't match,
@@ -473,18 +470,6 @@ pref("media.videocontrols.picture-in-picture.video-toggle.always-show", false);
   pref("media.navigator.video.h264.level", 31); // 0x42E01f - level 3.1
   pref("media.navigator.video.h264.max_br", 0);
   pref("media.navigator.video.h264.max_mbps", 0);
-  #if defined(NIGHTLY_BUILD) && !defined(ANDROID)
-    pref("media.navigator.mediadatadecoder_vpx_enabled", true);
-  #else
-    pref("media.navigator.mediadatadecoder_vpx_enabled", false);
-  #endif
-  #if defined(ANDROID)
-    pref("media.navigator.mediadatadecoder_h264_enabled", false); // bug 1509316
-  #elif defined(_ARM64_) && defined(XP_WIN)
-    pref("media.navigator.mediadatadecoder_h264_enabled", false);
-  #else
-    pref("media.navigator.mediadatadecoder_h264_enabled", true);
-  #endif
   pref("media.peerconnection.video.vp9_enabled", true);
   pref("media.peerconnection.video.vp9_preferred", false);
   pref("media.getusermedia.browser.enabled", false);
@@ -559,17 +544,6 @@ pref("media.webvtt.pseudo.enabled", true);
 // WebVTT debug logging.
 pref("media.webvtt.debug.logging", false);
 
-pref("media.benchmark.vp9.threshold", 150);
-pref("media.benchmark.frames", 300);
-pref("media.benchmark.timeout", 1000);
-
-pref("media.media-capabilities.enabled", true);
-pref("media.media-capabilities.screen.enabled", false);
-
-#ifdef MOZ_WEBM_ENCODER
-  pref("media.encoder.webm.enabled", true);
-#endif
-
 // Whether to allow recording of AudioNodes with MediaRecorder
 pref("media.recorder.audio_node.enabled", false);
 
@@ -587,14 +561,6 @@ pref("media.autoplay.block-webaudio", false);
 // By default, don't block the media from extension background script.
 pref("media.autoplay.allow-extension-background-pages", true);
 
-// If "media.autoplay.default" is not ALLOWED, and this pref is true,
-// then audible media would only be allowed to autoplay after website has
-// been activated by specific user gestures, but non-audible
-// media won't be restricted.
-#ifdef NIGHTLY_BUILD
-  pref("media.autoplay.enabled.user-gestures-needed", false);
-#endif
-
 // The default number of decoded video frames that are enqueued in
 // MediaDecoderReader's mVideoQueue.
 pref("media.video-queue.default-size", 10);
@@ -620,22 +586,6 @@ pref("media.cubeb.logging_level", "");
 // GraphRunner (fixed MediaStreamGraph thread) control
 pref("media.audiograph.single_thread.enabled", false);
 
-#ifdef MOZ_AV1
-  #if defined(XP_WIN) && !defined(_ARM64_)
-    pref("media.av1.enabled", true);
-    pref("media.av1.use-dav1d", true);
-  #elif defined(XP_MACOSX)
-    pref("media.av1.enabled", true);
-    pref("media.av1.use-dav1d", true);
-  #elif defined(XP_UNIX) && !defined(MOZ_WIDGET_ANDROID)
-    pref("media.av1.enabled", true);
-    pref("media.av1.use-dav1d", true);
-  #else
-    pref("media.av1.enabled", false);
-    pref("media.av1.use-dav1d", false);
-  #endif
-#endif
-
 // APZ preferences. For documentation/details on what these prefs do, check
 // gfx/layers/apz/src/AsyncPanZoomController.cpp.
 pref("apz.overscroll.stop_velocity_threshold", "0.01");