AndroidVideoTrackSource implementation

webrtc/api/android/jni/androidvideotracksource_jni.cc

+/*
+ *  Copyright (c) 2016 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 "webrtc/api/android/jni/classreferenceholder.h"
+#include "webrtc/api/androidvideotracksource.h"
+#include "webrtc/api/videosourceproxy.h"
+
+// Identifiers are over 80 characters long so this is needed to fit them on one
+// line.
+#define JOW_OBSERVER_METHOD(rettype, name) \
+  JOW(rettype, VideoCapturer_00024AndroidVideoTrackSourceObserver_##name)
+
+namespace webrtc_jni {
+
+static webrtc::AndroidVideoTrackSource* AndroidVideoTrackSourceFromJavaProxy(
+    jlong j_proxy) {
+  auto proxy_source = reinterpret_cast<webrtc::VideoTrackSourceProxy*>(j_proxy);
+  return reinterpret_cast<webrtc::AndroidVideoTrackSource*>(
+      proxy_source->internal());
+}
+
+JOW_OBSERVER_METHOD(void, nativeOnByteBufferFrameCaptured)
+(JNIEnv* jni,
+ jclass,
+ jlong j_source,
+ jbyteArray j_frame,
+ jint length,
+ jint width,
+ jint height,
+ jint rotation,
+ jlong timestamp) {
+  webrtc::AndroidVideoTrackSource* source =
+      AndroidVideoTrackSourceFromJavaProxy(j_source);
+  jbyte* bytes = jni->GetByteArrayElements(j_frame, nullptr);
+  source->OnByteBufferFrameCaptured(bytes, length, width, height, rotation,
+                                    timestamp);
+  jni->ReleaseByteArrayElements(j_frame, bytes, JNI_ABORT);
+}
+
+JOW_OBSERVER_METHOD(void, nativeOnTextureFrameCaptured)
+(JNIEnv* jni,
+ jclass,
+ jlong j_source,
+ jint j_width,
+ jint j_height,
+ jint j_oes_texture_id,
+ jfloatArray j_transform_matrix,
+ jint j_rotation,
+ jlong j_timestamp) {
+  webrtc::AndroidVideoTrackSource* source =
+      AndroidVideoTrackSourceFromJavaProxy(j_source);
+  source->OnTextureFrameCaptured(
+      j_width, j_height, j_rotation, j_timestamp,
+      NativeHandleImpl(jni, j_oes_texture_id, j_transform_matrix));
+}
+
+JOW_OBSERVER_METHOD(void, nativeCapturerStarted)
+(JNIEnv* jni, jclass, jlong j_source, jboolean j_success) {
+  LOG(LS_INFO) << "AndroidVideoTrackSourceObserve_nativeCapturerStarted";
+  webrtc::AndroidVideoTrackSource* source =
+      AndroidVideoTrackSourceFromJavaProxy(j_source);
+  source->SetState(webrtc::AndroidVideoTrackSource::SourceState::kLive);
+}
+
+JOW_OBSERVER_METHOD(void, nativeCapturerStopped)
+(JNIEnv* jni, jclass, jlong j_source) {
+  LOG(LS_INFO) << "AndroidVideoTrackSourceObserve_nativeCapturerStopped";
+  webrtc::AndroidVideoTrackSource* source =
+      AndroidVideoTrackSourceFromJavaProxy(j_source);
+  source->SetState(webrtc::AndroidVideoTrackSource::SourceState::kEnded);
+}
+
+JOW_OBSERVER_METHOD(void, nativeOnOutputFormatRequest)
+(JNIEnv* jni, jclass, jlong j_source, jint j_width, jint j_height, jint j_fps) {
+  LOG(LS_INFO) << "AndroidVideoTrackSourceObserve_nativeOnOutputFormatRequest";
+  webrtc::AndroidVideoTrackSource* source =
+      AndroidVideoTrackSourceFromJavaProxy(j_source);
+  source->OnOutputFormatRequest(j_width, j_height, j_fps);
+}
+
+}  // namespace webrtc_jni