Experimental HEVC encoding support for videos.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsFragment.kt

@@ -383,6 +383,19 @@ class InternalSettingsFragment : DSLSettingsFragment(R.string.preferences__inter
 
       dividerPref()
 
+      sectionHeaderPref(DSLSettingsText.from("Media"))
+
+      switchPref(
+        title = DSLSettingsText.from("Enable HEVC Encoding for HD Videos"),
+        summary = DSLSettingsText.from("Videos sent in \"HD\" quality will be encoded in HEVC on compatible devices."),
+        isChecked = state.hevcEncoding,
+        onClick = {
+          viewModel.setHevcEncoding(!state.hevcEncoding)
+        }
+      )
+
+      dividerPref()
+
       sectionHeaderPref(DSLSettingsText.from("Conversations and Shortcuts"))
 
       clickPref(

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsState.kt

@@ -23,5 +23,6 @@ data class InternalSettingsState(
   val canClearOnboardingState: Boolean,
   val pnpInitialized: Boolean,
   val useConversationItemV2ForMedia: Boolean,
-  val hasPendingOneTimeDonation: Boolean
+  val hasPendingOneTimeDonation: Boolean,
+  val hevcEncoding: Boolean
 )

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/internal/InternalSettingsViewModel.kt

@@ -119,6 +119,11 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
     refresh()
   }
 
+  fun setHevcEncoding(enabled: Boolean) {
+    SignalStore.internal.hevcEncoding = enabled
+    refresh()
+  }
+
   fun addSampleReleaseNote() {
     repository.addSampleReleaseNote()
   }
@@ -159,7 +164,8 @@ class InternalSettingsViewModel(private val repository: InternalSettingsReposito
     canClearOnboardingState = SignalStore.story.hasDownloadedOnboardingStory && Stories.isFeatureEnabled(),
     pnpInitialized = SignalStore.misc.hasPniInitializedDevices,
     useConversationItemV2ForMedia = SignalStore.internal.useConversationItemV2Media(),
-    hasPendingOneTimeDonation = SignalStore.inAppPayments.getPendingOneTimeDonation() != null
+    hasPendingOneTimeDonation = SignalStore.inAppPayments.getPendingOneTimeDonation() != null,
+    hevcEncoding = SignalStore.internal.hevcEncoding
   )
 
   fun onClearOnboardingState() {

app/src/main/java/org/thoughtcrime/securesms/keyvalue/InternalValues.java

@@ -32,6 +32,7 @@ public final class InternalValues extends SignalStoreValues {
   public static final String CONVERSATION_ITEM_V2_MEDIA           = "internal.conversation_item_v2_media";
   public static final String FORCE_ENTER_RESTORE_V2_FLOW          = "internal.force_enter_restore_v2_flow";
   public static final String WEB_SOCKET_SHADOWING_STATS           = "internal.web_socket_shadowing_stats";
+  public static final String ENCODE_HEVC                          = "internal.hevc_encoding";
 
   InternalValues(KeyValueStore store) {
     super(store);
@@ -183,6 +184,14 @@ public final class InternalValues extends SignalStoreValues {
     }
   }
 
+  public void setHevcEncoding(boolean enabled) {
+    putBoolean(ENCODE_HEVC, enabled);
+  }
+
+  public boolean getHevcEncoding() {
+    return getBoolean(ENCODE_HEVC, false);
+  }
+
   public void setLastScrollPosition(int position) {
     putInteger(LAST_SCROLL_POSITION, position);
   }

app/src/main/java/org/thoughtcrime/securesms/mms/MediaConstraints.java

@@ -41,10 +41,6 @@ public abstract class MediaConstraints {
     return TranscodingPreset.LEVEL_1;
   }
 
-  public boolean isHighQuality() {
-    return false;
-  }
-
   /**
    * Provide a list of dimensions that should be attempted during compression. We will keep moving
    * down the list until the image can be scaled to fit under {@link #getImageMaxSize(Context)}.

app/src/main/java/org/thoughtcrime/securesms/mms/PushMediaConstraints.java

@@ -7,10 +7,12 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import org.thoughtcrime.securesms.dependencies.AppDependencies;
+import org.thoughtcrime.securesms.keyvalue.SignalStore;
 import org.thoughtcrime.securesms.util.RemoteConfig;
 import org.thoughtcrime.securesms.util.LocaleRemoteConfig;
 import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.video.TranscodingPreset;
+import org.thoughtcrime.securesms.video.videoconverter.utils.DeviceCapabilities;
 
 import java.util.Arrays;
 
@@ -25,11 +27,6 @@ public class PushMediaConstraints extends MediaConstraints {
     currentConfig = getCurrentConfig(AppDependencies.getApplication(), sentMediaQuality);
   }
 
-  @Override
-  public boolean isHighQuality() {
-    return currentConfig == MediaConfig.LEVEL_3;
-  }
-
   @Override
   public int getImageMaxWidth(Context context) {
     return currentConfig.imageSizeTargets[0];
@@ -102,7 +99,11 @@ public class PushMediaConstraints extends MediaConstraints {
     }
 
     if (sentMediaQuality == SentMediaQuality.HIGH) {
-      return MediaConfig.LEVEL_3;
+      if (DeviceCapabilities.canEncodeHevc() && (RemoteConfig.useHevcEncoder() || SignalStore.internal().getHevcEncoding())) {
+        return MediaConfig.LEVEL_4;
+      } else {
+        return MediaConfig.LEVEL_3;
+      }
     }
     return LocaleRemoteConfig.getMediaQualityLevel().orElse(MediaConfig.getDefault(context));
   }
@@ -112,7 +113,8 @@ public class PushMediaConstraints extends MediaConstraints {
 
     LEVEL_1(false, 1, MB, new int[] { 1600, 1024, 768, 512 }, 70, TranscodingPreset.LEVEL_1),
     LEVEL_2(false, 2, (int) (1.5 * MB), new int[] { 2048, 1600, 1024, 768, 512 }, 75, TranscodingPreset.LEVEL_2),
-    LEVEL_3(false, 3, (int) (3 * MB), new int[] { 4096, 3072, 2048, 1600, 1024, 768, 512 }, 75, TranscodingPreset.LEVEL_3);
+    LEVEL_3(false, 3, (int) (3 * MB), new int[] { 4096, 3072, 2048, 1600, 1024, 768, 512 }, 75, TranscodingPreset.LEVEL_3),
+    LEVEL_4(false, 4, 3 * MB, new int[] { 4096, 3072, 2048, 1600, 1024, 768, 512 }, 75, TranscodingPreset.LEVEL_4);
 
     private final boolean           isLowMemory;
     private final int               level;

app/src/main/java/org/thoughtcrime/securesms/util/RemoteConfig.kt

@@ -1110,5 +1110,13 @@ object RemoteConfig {
     hotSwappable = false
   )
 
+  @JvmStatic
+  @get:JvmName("useHevcEncoder")
+  val useHevcEncoder: Boolean by remoteBoolean(
+    key = "android.useHevcEncoder",
+    defaultValue = false,
+    hotSwappable = false
+  )
+
   // endregion
 }