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| 1 /* |
| 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_ |
| 12 #define WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_ |
| 13 |
| 14 #include "webrtc/api/android/jni/native_handle_impl.h" |
| 15 #include "webrtc/api/android/jni/surfacetexturehelper_jni.h" |
| 16 #include "webrtc/api/mediastreaminterface.h" |
| 17 #include "webrtc/api/notifier.h" |
| 18 #include "webrtc/base/asyncinvoker.h" |
| 19 #include "webrtc/base/checks.h" |
| 20 #include "webrtc/base/thread_checker.h" |
| 21 #include "webrtc/base/timestampaligner.h" |
| 22 #include "webrtc/common_video/include/i420_buffer_pool.h" |
| 23 #include "webrtc/media/base/videoadapter.h" |
| 24 #include "webrtc/media/base/videobroadcaster.h" |
| 25 #include "webrtc/media/base/videosinkinterface.h" |
| 26 #include "third_party/libyuv/include/libyuv/convert.h" |
| 27 |
| 28 namespace webrtc { |
| 29 |
| 30 class AndroidVideoTrackSource : public Notifier<VideoTrackSourceInterface> { |
| 31 public: |
| 32 AndroidVideoTrackSource(rtc::Thread* signaling_thread, |
| 33 JNIEnv* jni, |
| 34 jobject j_egl_context); |
| 35 |
| 36 // Not used on Android. |
| 37 // TODO(sakal/magjed): Try to remove this from the interface. |
| 38 void Stop() override { RTC_NOTREACHED(); }; |
| 39 // Not used on Android. |
| 40 // TODO(sakal/magjed): Try to remove this from the interface. |
| 41 void Restart() override { RTC_NOTREACHED(); } |
| 42 |
| 43 // Currently, none of the Android implementations are screencast. |
| 44 bool is_screencast() const override { return false; } |
| 45 |
| 46 // Indicates that the encoder should denoise video before encoding it. |
| 47 // If it is not set, the default configuration is used which is different |
| 48 // depending on video codec. |
| 49 rtc::Optional<bool> needs_denoising() const override { |
| 50 return rtc::Optional<bool>(false); |
| 51 } |
| 52 |
| 53 // Returns false if no stats are available, e.g, for a remote |
| 54 // source, or a source which has not seen its first frame yet. |
| 55 // Should avoid blocking. |
| 56 bool GetStats(Stats* stats) override; |
| 57 |
| 58 // Called by the native capture observer |
| 59 void SetState(SourceState state); |
| 60 |
| 61 SourceState state() const override { return state_; } |
| 62 |
| 63 bool remote() const override { return false; } |
| 64 |
| 65 void AddOrUpdateSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink, |
| 66 const rtc::VideoSinkWants& wants) override; |
| 67 void RemoveSink(rtc::VideoSinkInterface<cricket::VideoFrame>* sink) override; |
| 68 |
| 69 void OnByteBufferFrameCaptured(const void* frame_data, |
| 70 int length, |
| 71 int width, |
| 72 int height, |
| 73 int rotation, |
| 74 int64_t timestamp_ns); |
| 75 |
| 76 void OnTextureFrameCaptured(int width, |
| 77 int height, |
| 78 int rotation, |
| 79 int64_t timestamp_ns, |
| 80 const webrtc_jni::NativeHandleImpl& handle); |
| 81 |
| 82 void OnOutputFormatRequest(int width, int height, int fps); |
| 83 |
| 84 rtc::scoped_refptr<webrtc_jni::SurfaceTextureHelper> |
| 85 surface_texture_helper() { |
| 86 return surface_texture_helper_; |
| 87 } |
| 88 |
| 89 private: |
| 90 rtc::Thread* signaling_thread_; |
| 91 rtc::AsyncInvoker invoker_; |
| 92 rtc::ThreadChecker worker_thread_checker_; |
| 93 rtc::ThreadChecker camera_thread_checker_; |
| 94 rtc::CriticalSection stats_crit_; |
| 95 rtc::Optional<Stats> stats_ GUARDED_BY(stats_crit_); |
| 96 SourceState state_; |
| 97 rtc::VideoBroadcaster broadcaster_; |
| 98 rtc::TimestampAligner timestamp_aligner_; |
| 99 cricket::VideoAdapter video_adapter_; |
| 100 rtc::CriticalSection apply_rotation_crit_; |
| 101 bool apply_rotation_ GUARDED_BY(apply_rotation_crit_); |
| 102 webrtc::I420BufferPool pre_scale_pool_; |
| 103 webrtc::I420BufferPool post_scale_pool_; |
| 104 rtc::scoped_refptr<webrtc_jni::SurfaceTextureHelper> surface_texture_helper_; |
| 105 |
| 106 void OnFrame(const cricket::VideoFrame& frame, int width, int height); |
| 107 |
| 108 void OnSinkWantsChanged(const rtc::VideoSinkWants& wants); |
| 109 |
| 110 bool AdaptFrame(int width, |
| 111 int height, |
| 112 int64_t camera_time_us, |
| 113 int* out_width, |
| 114 int* out_height, |
| 115 int* crop_width, |
| 116 int* crop_height, |
| 117 int* crop_x, |
| 118 int* crop_y, |
| 119 int64_t* translated_camera_time_us); |
| 120 }; |
| 121 |
| 122 } // namespace webrtc |
| 123 |
| 124 #endif // WEBRTC_API_ANDROIDVIDEOTRACKSOURCE_H_ |
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