Bindings for injectable Java video encoders.

webrtc/sdk/android/src/jni/pc/video_jni.cc

 /*
  *  Copyright 2017 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 "webrtc/api/videosourceproxy.h"
 #include "webrtc/media/engine/webrtcvideodecoderfactory.h"
 #include "webrtc/media/engine/webrtcvideoencoderfactory.h"
 #include "webrtc/rtc_base/logging.h"
 #include "webrtc/sdk/android/src/jni/androidmediadecoder_jni.h"
 #include "webrtc/sdk/android/src/jni/androidmediaencoder_jni.h"
 #include "webrtc/sdk/android/src/jni/androidvideotracksource.h"
 #include "webrtc/sdk/android/src/jni/classreferenceholder.h"
 #include "webrtc/sdk/android/src/jni/pc/ownedfactoryandthreads.h"
 #include "webrtc/sdk/android/src/jni/surfacetexturehelper_jni.h"
 #include "webrtc/sdk/android/src/jni/videodecoderfactorywrapper.h"
+#include "webrtc/sdk/android/src/jni/videoencoderfactorywrapper.h"
 
 namespace webrtc {
 namespace jni {
 
 // TODO(sakal): Remove this once MediaCodecVideoDecoder/Encoder are no longer
 // used and all applications inject their own codecs.
 // This is semi broken if someone wants to create multiple peerconnection
 // factories.
+static bool use_media_codec_encoder_factory;
 static bool use_media_codec_decoder_factory;
 
 cricket::WebRtcVideoEncoderFactory* CreateVideoEncoderFactory(
     JNIEnv* jni,
     jobject j_encoder_factory) {
-  RTC_DCHECK(j_encoder_factory == nullptr)
-      << "Injectable video encoders are not supported yet.";
-  return new MediaCodecVideoEncoderFactory();
+  use_media_codec_encoder_factory = j_encoder_factory == nullptr;
+
+  if (use_media_codec_encoder_factory) {
+    return new MediaCodecVideoEncoderFactory();
+  } else {
+    return new VideoEncoderFactoryWrapper(jni, j_encoder_factory);
+  }
 }
 
 cricket::WebRtcVideoDecoderFactory* CreateVideoDecoderFactory(
     JNIEnv* jni,
     jobject j_decoder_factory) {
   use_media_codec_decoder_factory = j_decoder_factory == nullptr;
 
   if (use_media_codec_decoder_factory) {
     return new MediaCodecVideoDecoderFactory();
   } else {
@@ skipping 54 matching lines @@
     jobject remote_egl_context) {
   OwnedFactoryAndThreads* owned_factory =
       reinterpret_cast<OwnedFactoryAndThreads*>(native_factory);
 
   jclass j_eglbase14_context_class =
       FindClass(jni, "org/webrtc/EglBase14$Context");
 
   MediaCodecVideoEncoderFactory* encoder_factory =
       static_cast<MediaCodecVideoEncoderFactory*>(
           owned_factory->encoder_factory());
-  if (encoder_factory &&
+  if (use_media_codec_encoder_factory && encoder_factory &&
       jni->IsInstanceOf(local_egl_context, j_eglbase14_context_class)) {
     LOG(LS_INFO) << "Set EGL context for HW encoding.";
     encoder_factory->SetEGLContext(jni, local_egl_context);
   }
 
   MediaCodecVideoDecoderFactory* decoder_factory =
       static_cast<MediaCodecVideoDecoderFactory*>(
           owned_factory->decoder_factory());
   if (use_media_codec_decoder_factory && decoder_factory) {
     LOG(LS_INFO) << "Set EGL context for HW decoding.";
     decoder_factory->SetEGLContext(jni, remote_egl_context);
   }
 }
 
 }  // namespace jni
 }  // namespace webrtc