Build WebRTC with data channel only.

webrtc/sdk/android/src/jni/peerconnection_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/media/engine/webrtcvideodecoderfactory.h"
+#include "webrtc/media/engine/webrtcvideoencoderfactory.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/surfacetexturehelper_jni.h"
+
+using cricket::WebRtcVideoDecoderFactory;
+using cricket::WebRtcVideoEncoderFactory;
+using webrtc::AndroidVideoTrackSource;
+
+namespace webrtc_jni {
+
+WebRtcVideoEncoderFactory* CreateVideoEncoderFactory() {
+  return new MediaCodecVideoEncoderFactory();
+}
+
+WebRtcVideoDecoderFactory* CreateVideoDecoderFactory() {
+  return new MediaCodecVideoDecoderFactory();
+}
+
+rtc::scoped_refptr<webrtc::AndroidVideoTrackSource>
+CreateAndroidVideoTrackSource(rtc::Thread* signaling_thread,
+                              JNIEnv* jni,
+                              jobject j_egl_context,
+                              bool is_screencast = false) {
+  return rtc::scoped_refptr<webrtc::AndroidVideoTrackSource>(
+      new rtc::RefCountedObject<webrtc::AndroidVideoTrackSource>(
+          signaling_thread, jni, j_egl_context, is_screencast));
+}
+
+jobject GetSurfaceTextureHelper(
+    rtc::scoped_refptr<SurfaceTextureHelper> surface_texture_helper) {
+  return surface_texture_helper
+             ? surface_texture_helper->GetJavaSurfaceTextureHelper()
+             : nullptr;
+}
+
+void EncoderFactorySetEGLContext(MediaCodecVideoEncoderFactory* encoder_factory,
+                                 JNIEnv* jni,
+                                 jobject local_egl_context) {
+  encoder_factory->SetEGLContext(jni, local_egl_context);
+}
+
+void DecoderFactorySetEGLContext(MediaCodecVideoDecoderFactory* decoder_factory,
+                                 JNIEnv* jni,
+                                 jobject remote_egl_context) {
+  decoder_factory->SetEGLContext(jni, remote_egl_context);
+}

[pthatcher, 2017/05/18 17:50:27]

I think a good name for this file may be video_jni.cc

+
+}  // namespace webrtc_jni