102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
|
/*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef WEBRTC_API_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
|
||
|
|
#define WEBRTC_API_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
|
||
|
|
|
||
|
|
#include <memory>
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
#include "webrtc/api/androidvideocapturer.h"
|
||
|
|
#include "webrtc/api/java/jni/jni_helpers.h"
|
||
|
|
#include "webrtc/base/asyncinvoker.h"
|
||
|
|
#include "webrtc/base/constructormagic.h"
|
||
|
|
#include "webrtc/base/criticalsection.h"
|
||
|
|
#include "webrtc/base/thread_checker.h"
|
||
|
|
#include "webrtc/common_video/include/i420_buffer_pool.h"
|
||
|
|
|
||
|
|
namespace webrtc_jni {
|
||
|
|
|
||
|
|
struct NativeHandleImpl;
|
||
|
|
class SurfaceTextureHelper;
|
||
|
|
|
||
|
|
// AndroidVideoCapturerJni implements AndroidVideoCapturerDelegate.
|
||
|
|
// The purpose of the delegate is to hide the JNI specifics from the C++ only
|
||
|
|
// AndroidVideoCapturer.
|
||
|
|
class AndroidVideoCapturerJni : public webrtc::AndroidVideoCapturerDelegate {
|
||
|
|
public:
|
||
|
|
static int SetAndroidObjects(JNIEnv* jni, jobject appliction_context);
|
||
|
|
|
||
|
|
AndroidVideoCapturerJni(JNIEnv* jni,
|
||
|
|
jobject j_video_capturer,
|
||
|
|
jobject j_egl_context);
|
||
|
|
|
||
|
|
void Start(int width, int height, int framerate,
|
||
|
|
webrtc::AndroidVideoCapturer* capturer) override;
|
||
|
|
void Stop() override;
|
||
|
|
|
||
|
|
std::vector<cricket::VideoFormat> GetSupportedFormats() override;
|
||
|
|
|
||
|
|
// Called from VideoCapturer::NativeObserver on a Java thread.
|
||
|
|
void OnCapturerStarted(bool success);
|
||
|
|
void OnMemoryBufferFrame(void* video_frame, int length, int width,
|
||
|
|
int height, int rotation, int64_t timestamp_ns);
|
||
|
|
void OnTextureFrame(int width, int height, int rotation, int64_t timestamp_ns,
|
||
|
|
const NativeHandleImpl& handle);
|
||
|
|
void OnOutputFormatRequest(int width, int height, int fps);
|
||
|
|
|
||
|
|
protected:
|
||
|
|
~AndroidVideoCapturerJni();
|
||
|
|
|
||
|
|
private:
|
||
|
|
JNIEnv* jni();
|
||
|
|
|
||
|
|
// To avoid deducing Args from the 3rd parameter of AsyncCapturerInvoke.
|
||
|
|
template <typename T>
|
||
|
|
struct Identity {
|
||
|
|
typedef T type;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Helper function to make safe asynchronous calls to |capturer_|. The calls
|
||
|
|
// are not guaranteed to be delivered.
|
||
|
|
template <typename... Args>
|
||
|
|
void AsyncCapturerInvoke(
|
||
|
|
const rtc::Location& posted_from,
|
||
|
|
void (webrtc::AndroidVideoCapturer::*method)(Args...),
|
||
|
|
typename Identity<Args>::type... args);
|
||
|
|
|
||
|
|
const ScopedGlobalRef<jobject> j_video_capturer_;
|
||
|
|
const ScopedGlobalRef<jclass> j_video_capturer_class_;
|
||
|
|
const ScopedGlobalRef<jclass> j_observer_class_;
|
||
|
|
|
||
|
|
// Used on the Java thread running the camera.
|
||
|
|
webrtc::I420BufferPool pre_scale_pool_;
|
||
|
|
webrtc::I420BufferPool post_scale_pool_;
|
||
|
|
rtc::scoped_refptr<SurfaceTextureHelper> surface_texture_helper_;
|
||
|
|
rtc::ThreadChecker thread_checker_;
|
||
|
|
|
||
|
|
// |capturer| is a guaranteed to be a valid pointer between a call to
|
||
|
|
// AndroidVideoCapturerDelegate::Start
|
||
|
|
// until AndroidVideoCapturerDelegate::Stop.
|
||
|
|
rtc::CriticalSection capturer_lock_;
|
||
|
|
webrtc::AndroidVideoCapturer* capturer_ GUARDED_BY(capturer_lock_);
|
||
|
|
// |invoker_| is used to communicate with |capturer_| on the thread Start() is
|
||
|
|
// called on.
|
||
|
|
std::unique_ptr<rtc::GuardedAsyncInvoker> invoker_ GUARDED_BY(capturer_lock_);
|
||
|
|
|
||
|
|
static jobject application_context_;
|
||
|
|
|
||
|
|
RTC_DISALLOW_COPY_AND_ASSIGN(AndroidVideoCapturerJni);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace webrtc_jni
|
||
|
|
|
||
|
|
#endif // WEBRTC_API_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
|