Reland of move the old AndroidVideoCapturer stack code.

webrtc/api/android/jni/androidvideocapturer_jni.cc

Index: webrtc/api/android/jni/androidvideocapturer_jni.cc
diff --git a/webrtc/api/android/jni/androidvideocapturer_jni.cc b/webrtc/api/android/jni/androidvideocapturer_jni.cc
deleted file mode 100644
index d31ce26aabf7126f20ba39ede7fb34c8bafffb32..0000000000000000000000000000000000000000
--- a/webrtc/api/android/jni/androidvideocapturer_jni.cc
+++ /dev/null
@@ -1,349 +0,0 @@
-/*
- *  Copyright 2015 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/androidvideocapturer_jni.h"
-#include "webrtc/api/android/jni/classreferenceholder.h"
-#include "webrtc/api/android/jni/native_handle_impl.h"
-#include "webrtc/api/android/jni/surfacetexturehelper_jni.h"
-#include "third_party/libyuv/include/libyuv/convert.h"
-#include "webrtc/base/bind.h"
-
-namespace webrtc_jni {
-
-jobject AndroidVideoCapturerJni::application_context_ = nullptr;
-
-// static
-int AndroidVideoCapturerJni::SetAndroidObjects(JNIEnv* jni,
-                                               jobject appliction_context) {
-  if (application_context_) {
-    jni->DeleteGlobalRef(application_context_);
-  }
-  application_context_ = NewGlobalRef(jni, appliction_context);
-
-  return 0;
-}
-
-AndroidVideoCapturerJni::AndroidVideoCapturerJni(JNIEnv* jni,
-                                                 jobject j_video_capturer,
-                                                 jobject j_egl_context)
-    : j_video_capturer_(jni, j_video_capturer),
-      j_video_capturer_class_(jni, FindClass(jni, "org/webrtc/VideoCapturer")),
-      j_observer_class_(
-          jni,
-          FindClass(jni,
-                    "org/webrtc/VideoCapturer$NativeObserver")),
-      surface_texture_helper_(SurfaceTextureHelper::create(
-          jni, "Camera SurfaceTextureHelper", j_egl_context)),
-      capturer_(nullptr) {
-  LOG(LS_INFO) << "AndroidVideoCapturerJni ctor";
-  jobject j_frame_observer =
-      jni->NewObject(*j_observer_class_,
-                     GetMethodID(jni, *j_observer_class_, "<init>", "(J)V"),
-                     jlongFromPointer(this));
-  CHECK_EXCEPTION(jni) << "error during NewObject";
-  jni->CallVoidMethod(
-      *j_video_capturer_,
-      GetMethodID(jni, *j_video_capturer_class_, "initialize",
-                  "(Lorg/webrtc/SurfaceTextureHelper;Landroid/content/"
-                  "Context;Lorg/webrtc/VideoCapturer$CapturerObserver;)V"),
-      surface_texture_helper_
-          ? surface_texture_helper_->GetJavaSurfaceTextureHelper()
-          : nullptr,
-      application_context_, j_frame_observer);
-  CHECK_EXCEPTION(jni) << "error during VideoCapturer.initialize()";
-  thread_checker_.DetachFromThread();
-}
-
-AndroidVideoCapturerJni::~AndroidVideoCapturerJni() {
-  LOG(LS_INFO) << "AndroidVideoCapturerJni dtor";
-  jni()->CallVoidMethod(
-      *j_video_capturer_,
-      GetMethodID(jni(), *j_video_capturer_class_, "dispose", "()V"));
-  CHECK_EXCEPTION(jni()) << "error during VideoCapturer.dispose()";
-}
-
-void AndroidVideoCapturerJni::Start(int width, int height, int framerate,
-                                    webrtc::AndroidVideoCapturer* capturer) {
-  LOG(LS_INFO) << "AndroidVideoCapturerJni start";
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  {
-    rtc::CritScope cs(&capturer_lock_);
-    RTC_CHECK(capturer_ == nullptr);
-    RTC_CHECK(invoker_.get() == nullptr);
-    capturer_ = capturer;
-    invoker_.reset(new rtc::GuardedAsyncInvoker());
-  }
-  jmethodID m =
-      GetMethodID(jni(), *j_video_capturer_class_, "startCapture", "(III)V");
-  jni()->CallVoidMethod(*j_video_capturer_, m, width, height, framerate);
-  CHECK_EXCEPTION(jni()) << "error during VideoCapturer.startCapture";
-}
-
-void AndroidVideoCapturerJni::Stop() {
-  LOG(LS_INFO) << "AndroidVideoCapturerJni stop";
-  RTC_DCHECK(thread_checker_.CalledOnValidThread());
-  {
-    // TODO(nisse): Consider moving this block until *after* the call to
-    // stopCapturer. stopCapturer should ensure that we get no
-    // more frames, and then we shouldn't need the if (!capturer_)
-    // checks in OnMemoryBufferFrame and OnTextureFrame.
-    rtc::CritScope cs(&capturer_lock_);
-    // Destroying |invoker_| will cancel all pending calls to |capturer_|.
-    invoker_ = nullptr;
-    capturer_ = nullptr;
-  }
-  jmethodID m = GetMethodID(jni(), *j_video_capturer_class_,
-                            "stopCapture", "()V");
-  jni()->CallVoidMethod(*j_video_capturer_, m);
-  CHECK_EXCEPTION(jni()) << "error during VideoCapturer.stopCapture";
-  LOG(LS_INFO) << "AndroidVideoCapturerJni stop done";
-}
-
-template <typename... Args>
-void AndroidVideoCapturerJni::AsyncCapturerInvoke(
-    const rtc::Location& posted_from,
-    void (webrtc::AndroidVideoCapturer::*method)(Args...),
-    typename Identity<Args>::type... args) {
-  rtc::CritScope cs(&capturer_lock_);
-  if (!invoker_) {
-    LOG(LS_WARNING) << posted_from.function_name()
-                    << "() called for closed capturer.";
-    return;
-  }
-  invoker_->AsyncInvoke<void>(posted_from,
-                              rtc::Bind(method, capturer_, args...));
-}
-
-std::vector<cricket::VideoFormat>
-AndroidVideoCapturerJni::GetSupportedFormats() {
-  JNIEnv* jni = AttachCurrentThreadIfNeeded();
-  jobject j_list_of_formats = jni->CallObjectMethod(
-      *j_video_capturer_,
-      GetMethodID(jni, *j_video_capturer_class_, "getSupportedFormats",
-                  "()Ljava/util/List;"));
-  CHECK_EXCEPTION(jni) << "error during getSupportedFormats";
-
-  // Extract Java List<CaptureFormat> to std::vector<cricket::VideoFormat>.
-  jclass j_list_class = jni->FindClass("java/util/List");
-  jclass j_format_class =
-      jni->FindClass("org/webrtc/CameraEnumerationAndroid$CaptureFormat");
-  jclass j_framerate_class = jni->FindClass(
-      "org/webrtc/CameraEnumerationAndroid$CaptureFormat$FramerateRange");
-  const int size = jni->CallIntMethod(
-      j_list_of_formats, GetMethodID(jni, j_list_class, "size", "()I"));
-  jmethodID j_get =
-      GetMethodID(jni, j_list_class, "get", "(I)Ljava/lang/Object;");
-  jfieldID j_framerate_field = GetFieldID(
-      jni, j_format_class, "framerate",
-      "Lorg/webrtc/CameraEnumerationAndroid$CaptureFormat$FramerateRange;");
-  jfieldID j_width_field = GetFieldID(jni, j_format_class, "width", "I");
-  jfieldID j_height_field = GetFieldID(jni, j_format_class, "height", "I");
-  jfieldID j_max_framerate_field =
-      GetFieldID(jni, j_framerate_class, "max", "I");
-
-  std::vector<cricket::VideoFormat> formats;
-  formats.reserve(size);
-  for (int i = 0; i < size; ++i) {
-    jobject j_format = jni->CallObjectMethod(j_list_of_formats, j_get, i);
-    jobject j_framerate = GetObjectField(jni, j_format, j_framerate_field);
-    const int frame_interval = cricket::VideoFormat::FpsToInterval(
-        (GetIntField(jni, j_framerate, j_max_framerate_field) + 999) / 1000);
-    formats.emplace_back(GetIntField(jni, j_format, j_width_field),
-                         GetIntField(jni, j_format, j_height_field),
-                         frame_interval, cricket::FOURCC_NV21);
-  }
-  CHECK_EXCEPTION(jni) << "error while extracting formats";
-  return formats;
-}
-
-void AndroidVideoCapturerJni::OnCapturerStarted(bool success) {
-  LOG(LS_INFO) << "AndroidVideoCapturerJni capture started: " << success;
-  AsyncCapturerInvoke(
-      RTC_FROM_HERE, &webrtc::AndroidVideoCapturer::OnCapturerStarted, success);
-}
-
-void AndroidVideoCapturerJni::OnMemoryBufferFrame(void* video_frame,
-                                                  int length,
-                                                  int width,
-                                                  int height,
-                                                  int rotation,
-                                                  int64_t timestamp_ns) {
-  RTC_DCHECK(rotation == 0 || rotation == 90 || rotation == 180 ||
-             rotation == 270);
-  rtc::CritScope cs(&capturer_lock_);
-  if (!capturer_) {
-    LOG(LS_WARNING) << "OnMemoryBufferFrame() called for closed capturer.";
-    return;
-  }
-  int adapted_width;
-  int adapted_height;
-  int crop_width;
-  int crop_height;
-  int crop_x;
-  int crop_y;
-  int64_t translated_camera_time_us;
-
-  if (!capturer_->AdaptFrame(width, height,
-                             timestamp_ns / rtc::kNumNanosecsPerMicrosec,
-                             rtc::TimeMicros(),
-                             &adapted_width, &adapted_height,
-                             &crop_width, &crop_height, &crop_x, &crop_y,
-                             &translated_camera_time_us)) {
-    return;
-  }
-
-  int rotated_width = crop_width;
-  int rotated_height = crop_height;
-
-  if (capturer_->apply_rotation() && (rotation == 90 || rotation == 270)) {
-    std::swap(adapted_width, adapted_height);
-    std::swap(rotated_width, rotated_height);
-  }
-
-  rtc::scoped_refptr<webrtc::VideoFrameBuffer> buffer =
-      pre_scale_pool_.CreateBuffer(rotated_width, rotated_height);
-
-  const uint8_t* y_plane = static_cast<const uint8_t*>(video_frame);
-  const uint8_t* uv_plane = y_plane + width * height;
-
-  // Can only crop at even pixels.
-  crop_x &= ~1;
-  crop_y &= ~1;
-  int uv_width = (width + 1) / 2;
-
-  libyuv::NV12ToI420Rotate(
-      y_plane + width * crop_y + crop_x, width,
-      uv_plane + uv_width * crop_y + crop_x, width,
-      buffer->MutableDataY(), buffer->StrideY(),
-      // Swap U and V, since we have NV21, not NV12.
-      buffer->MutableDataV(), buffer->StrideV(),
-      buffer->MutableDataU(), buffer->StrideU(),
-      crop_width, crop_height, static_cast<libyuv::RotationMode>(
-          capturer_->apply_rotation() ? rotation : 0));
-
-  if (adapted_width != buffer->width() || adapted_height != buffer->height()) {
-    rtc::scoped_refptr<webrtc::I420Buffer> scaled_buffer(
-        post_scale_pool_.CreateBuffer(adapted_width, adapted_height));
-    scaled_buffer->ScaleFrom(buffer);
-    buffer = scaled_buffer;
-  }
-  capturer_->OnFrame(
-      cricket::WebRtcVideoFrame(
-          buffer, capturer_->apply_rotation()
-                      ? webrtc::kVideoRotation_0
-                      : static_cast<webrtc::VideoRotation>(rotation),
-          translated_camera_time_us, 0),
-      width, height);
-}
-
-void AndroidVideoCapturerJni::OnTextureFrame(int width,
-                                             int height,
-                                             int rotation,
-                                             int64_t timestamp_ns,
-                                             const NativeHandleImpl& handle) {
-  RTC_DCHECK(rotation == 0 || rotation == 90 || rotation == 180 ||
-             rotation == 270);
-  rtc::CritScope cs(&capturer_lock_);
-  if (!capturer_) {
-    LOG(LS_WARNING) << "OnTextureFrame() called for closed capturer.";
-    surface_texture_helper_->ReturnTextureFrame();
-    return;
-  }
-  int adapted_width;
-  int adapted_height;
-  int crop_width;
-  int crop_height;
-  int crop_x;
-  int crop_y;
-  int64_t translated_camera_time_us;
-
-  if (!capturer_->AdaptFrame(width, height,
-                             timestamp_ns / rtc::kNumNanosecsPerMicrosec,
-                             rtc::TimeMicros(),
-                             &adapted_width, &adapted_height,
-                             &crop_width, &crop_height, &crop_x, &crop_y,
-                             &translated_camera_time_us)) {
-    surface_texture_helper_->ReturnTextureFrame();
-    return;
-  }
-
-  Matrix matrix = handle.sampling_matrix;
-
-  matrix.Crop(crop_width / static_cast<float>(width),
-              crop_height / static_cast<float>(height),
-              crop_x / static_cast<float>(width),
-              crop_y / static_cast<float>(height));
-
-  if (capturer_->apply_rotation()) {
-    if (rotation == webrtc::kVideoRotation_90 ||
-        rotation == webrtc::kVideoRotation_270) {
-      std::swap(adapted_width, adapted_height);
-    }
-    matrix.Rotate(static_cast<webrtc::VideoRotation>(rotation));
-  }
-
-  capturer_->OnFrame(cricket::WebRtcVideoFrame(
-                         surface_texture_helper_->CreateTextureFrame(
-                             adapted_width, adapted_height,
-                             NativeHandleImpl(handle.oes_texture_id, matrix)),
-                         capturer_->apply_rotation()
-                             ? webrtc::kVideoRotation_0
-                             : static_cast<webrtc::VideoRotation>(rotation),
-                         translated_camera_time_us, 0),
-                     width, height);
-}
-
-void AndroidVideoCapturerJni::OnOutputFormatRequest(int width,
-                                                    int height,
-                                                    int fps) {
-  AsyncCapturerInvoke(RTC_FROM_HERE,
-                      &webrtc::AndroidVideoCapturer::OnOutputFormatRequest,
-                      width, height, fps);
-}
-
-JNIEnv* AndroidVideoCapturerJni::jni() { return AttachCurrentThreadIfNeeded(); }
-
-JOW(void,
-    VideoCapturer_00024NativeObserver_nativeOnByteBufferFrameCaptured)
-    (JNIEnv* jni, jclass, jlong j_capturer, jbyteArray j_frame, jint length,
-        jint width, jint height, jint rotation, jlong timestamp) {
-  jboolean is_copy = true;
-  jbyte* bytes = jni->GetByteArrayElements(j_frame, &is_copy);
-  reinterpret_cast<AndroidVideoCapturerJni*>(j_capturer)
-      ->OnMemoryBufferFrame(bytes, length, width, height, rotation, timestamp);
-  jni->ReleaseByteArrayElements(j_frame, bytes, JNI_ABORT);
-}
-
-JOW(void, VideoCapturer_00024NativeObserver_nativeOnTextureFrameCaptured)
-    (JNIEnv* jni, jclass, jlong j_capturer, jint j_width, jint j_height,
-        jint j_oes_texture_id, jfloatArray j_transform_matrix,
-        jint j_rotation, jlong j_timestamp) {
-   reinterpret_cast<AndroidVideoCapturerJni*>(j_capturer)
-         ->OnTextureFrame(j_width, j_height, j_rotation, j_timestamp,
-                          NativeHandleImpl(jni, j_oes_texture_id,
-                                           j_transform_matrix));
-}
-
-JOW(void, VideoCapturer_00024NativeObserver_nativeCapturerStarted)
-    (JNIEnv* jni, jclass, jlong j_capturer, jboolean j_success) {
-  LOG(LS_INFO) << "NativeObserver_nativeCapturerStarted";
-  reinterpret_cast<AndroidVideoCapturerJni*>(j_capturer)->OnCapturerStarted(
-      j_success);
-}
-
-JOW(void, VideoCapturer_00024NativeObserver_nativeOnOutputFormatRequest)
-    (JNIEnv* jni, jclass, jlong j_capturer, jint j_width, jint j_height,
-        jint j_fps) {
-  LOG(LS_INFO) << "NativeObserver_nativeOnOutputFormatRequest";
-  reinterpret_cast<AndroidVideoCapturerJni*>(j_capturer)->OnOutputFormatRequest(
-      j_width, j_height, j_fps);
-}
-
-}  // namespace webrtc_jni