Remove software fallback in Android hardware codec factories.

Remove backwards compatiblity. Users who need software codecs should
migrate to the DefaultVideoCodecFactories.

Bug: webrtc:7925
Change-Id: Ifb41c9511d53c17c83222422c221b595bc056cb2
Reviewed-on: https://webrtc-review.googlesource.com/82920
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Anders Carlsson <andersc@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23563}

sdk/android/BUILD.gn

@@ -258,6 +258,7 @@ generate_jni("generated_java_audio_device_module_native_jni") {
 generate_jni("generated_video_jni") {
   sources = [
     "api/org/webrtc/EncodedImage.java",
+    "api/org/webrtc/HardwareVideoEncoderFactory.java",
     "api/org/webrtc/MediaCodecVideoDecoder.java",
     "api/org/webrtc/MediaCodecVideoEncoder.java",
     "api/org/webrtc/VideoCodecInfo.java",
@@ -284,9 +285,6 @@ generate_jni("generated_video_jni") {
     "src/java/org/webrtc/WrappedNativeVideoDecoder.java",
     "src/java/org/webrtc/WrappedNativeVideoEncoder.java",
   ]
-  if (rtc_use_builtin_sw_codecs) {
-    sources += [ "api/org/webrtc/HardwareVideoEncoderFactory.java" ]  # TODO(andersc): This currently depends on SoftwareVideoEncoderFactory
-  }
   jni_package = ""
   namespace = "webrtc::jni"
   jni_generator_include = "//sdk/android/src/jni/jni_generator_helper.h"
@@ -924,6 +922,8 @@ if (rtc_use_builtin_sw_codecs) {
 
 rtc_android_library("hwcodecs_java") {
   java_files = [
+    "api/org/webrtc/HardwareVideoDecoderFactory.java",
+    "api/org/webrtc/HardwareVideoEncoderFactory.java",
     "src/java/org/webrtc/BaseBitrateAdjuster.java",
     "src/java/org/webrtc/BitrateAdjuster.java",
     "src/java/org/webrtc/DynamicBitrateAdjuster.java",
@@ -941,15 +941,6 @@ rtc_android_library("hwcodecs_java") {
     ":video_java",
     "//rtc_base:base_java",
   ]
-
-  if (rtc_use_builtin_sw_codecs) {
-    java_files += [
-      "api/org/webrtc/HardwareVideoDecoderFactory.java",  # TODO(andersc): make this not depend on SoftwareVideoDecoderFactory
-      "api/org/webrtc/HardwareVideoEncoderFactory.java",  # TODO(andersc): make this not depend on SoftwareVideoEncoderFactory
-    ]
-
-    deps += [ ":swcodecs_java" ]
-  }
 }
 
 rtc_android_library("peerconnection_java") {

sdk/android/api/org/webrtc/DefaultVideoDecoderFactory.java

@@ -20,8 +20,7 @@ public class DefaultVideoDecoderFactory implements VideoDecoderFactory {
   private final SoftwareVideoDecoderFactory softwareVideoDecoderFactory;
 
   public DefaultVideoDecoderFactory(EglBase.Context eglContext) {
-    hardwareVideoDecoderFactory =
+    hardwareVideoDecoderFactory = new HardwareVideoDecoderFactory(eglContext);
-        new HardwareVideoDecoderFactory(eglContext, false /* fallbackToSoftware */);
     softwareVideoDecoderFactory = new SoftwareVideoDecoderFactory();
   }
 

sdk/android/api/org/webrtc/DefaultVideoEncoderFactory.java

@@ -21,8 +21,8 @@ public class DefaultVideoEncoderFactory implements VideoEncoderFactory {
 
   public DefaultVideoEncoderFactory(
       EglBase.Context eglContext, boolean enableIntelVp8Encoder, boolean enableH264HighProfile) {
-    hardwareVideoEncoderFactory = new HardwareVideoEncoderFactory(
+    hardwareVideoEncoderFactory =
-        eglContext, enableIntelVp8Encoder, enableH264HighProfile, false /* fallbackToSoftware */);
+        new HardwareVideoEncoderFactory(eglContext, enableIntelVp8Encoder, enableH264HighProfile);
     softwareVideoEncoderFactory = new SoftwareVideoEncoderFactory();
   }
 

sdk/android/api/org/webrtc/HardwareVideoDecoderFactory.java

@@ -29,7 +29,6 @@ public class HardwareVideoDecoderFactory implements VideoDecoderFactory {
   private static final String TAG = "HardwareVideoDecoderFactory";
 
   private final EglBase.Context sharedContext;
-  private final boolean fallbackToSoftware;
 
   /** Creates a HardwareVideoDecoderFactory that does not use surface textures. */
   @Deprecated // Not removed yet to avoid breaking callers.
@@ -42,12 +41,7 @@ public class HardwareVideoDecoderFactory implements VideoDecoderFactory {
    * shared context.  The context may be null.  If it is null, then surface support is disabled.
    */
   public HardwareVideoDecoderFactory(EglBase.Context sharedContext) {
-    this(sharedContext, true /* fallbackToSoftware */);
-  }
-
-  HardwareVideoDecoderFactory(EglBase.Context sharedContext, boolean fallbackToSoftware) {
     this.sharedContext = sharedContext;
-    this.fallbackToSoftware = fallbackToSoftware;
   }
 
   @Nullable
@@ -57,15 +51,7 @@ public class HardwareVideoDecoderFactory implements VideoDecoderFactory {
     MediaCodecInfo info = findCodecForType(type);
 
     if (info == null) {
-      // No hardware support for this type.
+      return null;
-      // TODO(andersc): This is for backwards compatibility. Remove when clients have migrated to
-      // new DefaultVideoEncoderFactory.
-      if (fallbackToSoftware) {
-        SoftwareVideoDecoderFactory softwareVideoDecoderFactory = new SoftwareVideoDecoderFactory();
-        return softwareVideoDecoderFactory.createDecoder(codecType);
-      } else {
-        return null;
-      }
     }
 
     CodecCapabilities capabilities = info.getCapabilitiesForType(type.mimeType());
@@ -94,16 +80,6 @@ public class HardwareVideoDecoderFactory implements VideoDecoderFactory {
       }
     }
 
-    // TODO(andersc): This is for backwards compatibility. Remove when clients have migrated to
-    // new DefaultVideoEncoderFactory.
-    if (fallbackToSoftware) {
-      for (VideoCodecInfo info : SoftwareVideoDecoderFactory.supportedCodecs()) {
-        if (!supportedCodecInfos.contains(info)) {
-          supportedCodecInfos.add(info);
-        }
-      }
-    }
-
     return supportedCodecInfos.toArray(new VideoCodecInfo[supportedCodecInfos.size()]);
   }
 

sdk/android/api/org/webrtc/HardwareVideoEncoderFactory.java

@@ -42,16 +42,9 @@ public class HardwareVideoEncoderFactory implements VideoEncoderFactory {
   @Nullable private final EglBase14.Context sharedContext;
   private final boolean enableIntelVp8Encoder;
   private final boolean enableH264HighProfile;
-  private final boolean fallbackToSoftware;
 
   public HardwareVideoEncoderFactory(
       EglBase.Context sharedContext, boolean enableIntelVp8Encoder, boolean enableH264HighProfile) {
-    this(
-        sharedContext, enableIntelVp8Encoder, enableH264HighProfile, true /* fallbackToSoftware */);
-  }
-
-  HardwareVideoEncoderFactory(EglBase.Context sharedContext, boolean enableIntelVp8Encoder,
-      boolean enableH264HighProfile, boolean fallbackToSoftware) {
     // Texture mode requires EglBase14.
     if (sharedContext instanceof EglBase14.Context) {
       this.sharedContext = (EglBase14.Context) sharedContext;
@@ -61,7 +54,6 @@ public class HardwareVideoEncoderFactory implements VideoEncoderFactory {
     }
     this.enableIntelVp8Encoder = enableIntelVp8Encoder;
     this.enableH264HighProfile = enableH264HighProfile;
-    this.fallbackToSoftware = fallbackToSoftware;
   }
 
   @Deprecated
@@ -76,15 +68,7 @@ public class HardwareVideoEncoderFactory implements VideoEncoderFactory {
     MediaCodecInfo info = findCodecForType(type);
 
     if (info == null) {
-      // No hardware support for this type.
+      return null;
-      // TODO(andersc): This is for backwards compatibility. Remove when clients have migrated to
-      // new DefaultVideoEncoderFactory.
-      if (fallbackToSoftware) {
-        SoftwareVideoEncoderFactory softwareVideoEncoderFactory = new SoftwareVideoEncoderFactory();
-        return softwareVideoEncoderFactory.createEncoder(input);
-      } else {
-        return null;
-      }
     }
 
     String codecName = info.getName();
@@ -133,16 +117,6 @@ public class HardwareVideoEncoderFactory implements VideoEncoderFactory {
       }
     }
 
-    // TODO(andersc): This is for backwards compatibility. Remove when clients have migrated to
-    // new DefaultVideoEncoderFactory.
-    if (fallbackToSoftware) {
-      for (VideoCodecInfo info : SoftwareVideoEncoderFactory.supportedCodecs()) {
-        if (!supportedCodecInfos.contains(info)) {
-          supportedCodecInfos.add(info);
-        }
-      }
-    }
-
     return supportedCodecInfos.toArray(new VideoCodecInfo[supportedCodecInfos.size()]);
   }