Java dav1d decoder.

Bug: none
Change-Id: I59553cffaa1f8bf4357dc33e83d9cd5fa8bb2a4a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/241321
Reviewed-by: Xavier Lepaul‎ <xalep@webrtc.org>
Commit-Queue: Xavier Lepaul‎ <xalep@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#35557}

sdk/android/BUILD.gn

@@ -513,6 +513,15 @@ if (is_android) {
     ]
   }
 
+  rtc_android_library("dav1d_java") {
+    visibility = [ "*" ]
+    sources = [ "api/org/webrtc/Dav1dDecoder.java" ]
+    deps = [
+      ":dav1d_av1_jni",
+      ":video_java",
+    ]
+  }
+
   rtc_android_library("swcodecs_java") {
     visibility = [ "*" ]
     sources = [
@@ -861,7 +870,7 @@ if (current_os == "linux" || is_android) {
   rtc_library("libaom_av1_jni") {
     visibility = [ "*" ]
     allow_poison = [ "software_video_codecs" ]
-    sources = [ "src/jni/av1_codec.cc" ]
+    sources = [ "src/jni/libaom_av1_codec.cc" ]
     deps = [
       ":base_jni",
       ":generated_libaom_av1_jni",
@@ -871,6 +880,18 @@ if (current_os == "linux" || is_android) {
     ]
   }
 
+  rtc_library("dav1d_av1_jni") {
+    visibility = [ "*" ]
+    allow_poison = [ "software_video_codecs" ]
+    sources = [ "src/jni/dav1d_codec.cc" ]
+    deps = [
+      ":base_jni",
+      ":generated_dav1d_jni",
+      ":video_jni",
+      "../../modules/video_coding/codecs/av1:dav1d_decoder",
+    ]
+  }
+
   rtc_library("swcodecs_jni") {
     visibility = [ "*" ]
     allow_poison = [ "software_video_codecs" ]
@@ -1321,6 +1342,13 @@ if (current_os == "linux" || is_android) {
     jni_generator_include = "//sdk/android/src/jni/jni_generator_helper.h"
   }
 
+  generate_jni("generated_dav1d_jni") {
+    sources = [ "api/org/webrtc/Dav1dDecoder.java" ]
+
+    namespace = "webrtc::jni"
+    jni_generator_include = "//sdk/android/src/jni/jni_generator_helper.h"
+  }
+
   generate_jni("generated_peerconnection_jni") {
     sources = [
       "api/org/webrtc/AddIceObserver.java",

sdk/android/api/org/webrtc/Dav1dDecoder.java

@@ -0,0 +1,20 @@
+/*
+ *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+package org.webrtc;
+
+public class Dav1dDecoder extends WrappedNativeVideoDecoder {
+  @Override
+  public long createNativeVideoDecoder() {
+    return nativeCreateDecoder();
+  }
+
+  static native long nativeCreateDecoder();
+}

sdk/android/src/jni/dav1d_codec.cc

@@ -0,0 +1,25 @@
+/*
+ *  Copyright 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <jni.h>
+
+#include "modules/video_coding/codecs/av1/dav1d_decoder.h"
+#include "sdk/android/generated_dav1d_jni/Dav1dDecoder_jni.h"
+#include "sdk/android/src/jni/jni_helpers.h"
+
+namespace webrtc {
+namespace jni {
+
+static jlong JNI_Dav1dDecoder_CreateDecoder(JNIEnv* jni) {
+  return jlongFromPointer(webrtc::CreateDav1dDecoder().release());
+}
+
+}  // namespace jni
+}  // namespace webrtc