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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 #include "webrtc/api/android/jni/androidvideotracksource.h" | |
| 12 | |
| 13 #include <utility> | |
| 14 | |
| 15 namespace webrtc { | |
| 16 | |
| 17 AndroidVideoTrackSource::AndroidVideoTrackSource(rtc::Thread* signaling_thread, | |
| 18 JNIEnv* jni, | |
| 19 jobject j_egl_context, | |
| 20 bool is_screencast) | |
| 21 : signaling_thread_(signaling_thread), | |
| 22 surface_texture_helper_(webrtc_jni::SurfaceTextureHelper::create( | |
| 23 jni, | |
| 24 "Camera SurfaceTextureHelper", | |
| 25 j_egl_context)), | |
| 26 is_screencast_(is_screencast) { | |
| 27 LOG(LS_INFO) << "AndroidVideoTrackSource ctor"; | |
| 28 camera_thread_checker_.DetachFromThread(); | |
| 29 } | |
| 30 | |
| 31 void AndroidVideoTrackSource::SetState(SourceState state) { | |
| 32 if (rtc::Thread::Current() != signaling_thread_) { | |
| 33 invoker_.AsyncInvoke<void>( | |
| 34 RTC_FROM_HERE, signaling_thread_, | |
| 35 rtc::Bind(&AndroidVideoTrackSource::SetState, this, state)); | |
| 36 return; | |
| 37 } | |
| 38 | |
| 39 if (state_ != state) { | |
| 40 state_ = state; | |
| 41 FireOnChanged(); | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 void AndroidVideoTrackSource::OnByteBufferFrameCaptured(const void* frame_data, | |
| 46 int length, | |
| 47 int width, | |
| 48 int height, | |
| 49 int rotation, | |
| 50 int64_t timestamp_ns) { | |
| 51 RTC_DCHECK(camera_thread_checker_.CalledOnValidThread()); | |
| 52 RTC_DCHECK(rotation == 0 || rotation == 90 || rotation == 180 || | |
| 53 rotation == 270); | |
| 54 | |
| 55 int64_t camera_time_us = timestamp_ns / rtc::kNumNanosecsPerMicrosec; | |
| 56 int64_t translated_camera_time_us = | |
| 57 timestamp_aligner_.TranslateTimestamp(camera_time_us, rtc::TimeMicros()); | |
| 58 | |
| 59 int adapted_width; | |
| 60 int adapted_height; | |
| 61 int crop_width; | |
| 62 int crop_height; | |
| 63 int crop_x; | |
| 64 int crop_y; | |
| 65 | |
| 66 if (!AdaptFrame(width, height, camera_time_us, &adapted_width, | |
| 67 &adapted_height, &crop_width, &crop_height, &crop_x, | |
| 68 &crop_y)) { | |
| 69 return; | |
| 70 } | |
| 71 | |
| 72 const uint8_t* y_plane = static_cast<const uint8_t*>(frame_data); | |
| 73 const uint8_t* uv_plane = y_plane + width * height; | |
| 74 const int uv_width = (width + 1) / 2; | |
| 75 | |
| 76 RTC_CHECK_GE(length, width * height + 2 * uv_width * ((height + 1) / 2)); | |
| 77 | |
| 78 // Can only crop at even pixels. | |
| 79 crop_x &= ~1; | |
| 80 crop_y &= ~1; | |
| 81 // Crop just by modifying pointers. | |
| 82 y_plane += width * crop_y + crop_x; | |
| 83 uv_plane += uv_width * crop_y + crop_x; | |
| 84 | |
| 85 rtc::scoped_refptr<webrtc::I420Buffer> buffer = | |
| 86 buffer_pool_.CreateBuffer(adapted_width, adapted_height); | |
| 87 | |
| 88 nv12toi420_scaler_.NV12ToI420Scale( | |
| 89 y_plane, width, uv_plane, uv_width * 2, crop_width, crop_height, | |
| 90 buffer->MutableDataY(), buffer->StrideY(), | |
| 91 // Swap U and V, since we have NV21, not NV12. | |
| 92 buffer->MutableDataV(), buffer->StrideV(), buffer->MutableDataU(), | |
| 93 buffer->StrideU(), buffer->width(), buffer->height()); | |
| 94 | |
| 95 OnFrame(VideoFrame(buffer, static_cast<webrtc::VideoRotation>(rotation), | |
| 96 translated_camera_time_us)); | |
| 97 } | |
| 98 | |
| 99 void AndroidVideoTrackSource::OnTextureFrameCaptured( | |
| 100 int width, | |
| 101 int height, | |
| 102 int rotation, | |
| 103 int64_t timestamp_ns, | |
| 104 const webrtc_jni::NativeHandleImpl& handle) { | |
| 105 RTC_DCHECK(camera_thread_checker_.CalledOnValidThread()); | |
| 106 RTC_DCHECK(rotation == 0 || rotation == 90 || rotation == 180 || | |
| 107 rotation == 270); | |
| 108 | |
| 109 int64_t camera_time_us = timestamp_ns / rtc::kNumNanosecsPerMicrosec; | |
| 110 int64_t translated_camera_time_us = | |
| 111 timestamp_aligner_.TranslateTimestamp(camera_time_us, rtc::TimeMicros()); | |
| 112 | |
| 113 int adapted_width; | |
| 114 int adapted_height; | |
| 115 int crop_width; | |
| 116 int crop_height; | |
| 117 int crop_x; | |
| 118 int crop_y; | |
| 119 | |
| 120 if (!AdaptFrame(width, height, camera_time_us, &adapted_width, | |
| 121 &adapted_height, &crop_width, &crop_height, &crop_x, | |
| 122 &crop_y)) { | |
| 123 surface_texture_helper_->ReturnTextureFrame(); | |
| 124 return; | |
| 125 } | |
| 126 | |
| 127 webrtc_jni::Matrix matrix = handle.sampling_matrix; | |
| 128 | |
| 129 matrix.Crop(crop_width / static_cast<float>(width), | |
| 130 crop_height / static_cast<float>(height), | |
| 131 crop_x / static_cast<float>(width), | |
| 132 crop_y / static_cast<float>(height)); | |
| 133 | |
| 134 // Make a local copy, since value of apply_rotation() may change | |
| 135 // under our feet. | |
| 136 bool do_rotate = apply_rotation(); | |
| 137 | |
| 138 if (do_rotate) { | |
| 139 if (rotation == webrtc::kVideoRotation_90 || | |
| 140 rotation == webrtc::kVideoRotation_270) { | |
| 141 std::swap(adapted_width, adapted_height); | |
| 142 } | |
| 143 matrix.Rotate(static_cast<webrtc::VideoRotation>(rotation)); | |
| 144 } | |
| 145 | |
| 146 OnFrame(VideoFrame( | |
| 147 surface_texture_helper_->CreateTextureFrame( | |
| 148 adapted_width, adapted_height, | |
| 149 webrtc_jni::NativeHandleImpl(handle.oes_texture_id, matrix)), | |
| 150 do_rotate ? webrtc::kVideoRotation_0 | |
| 151 : static_cast<webrtc::VideoRotation>(rotation), | |
| 152 translated_camera_time_us)); | |
| 153 } | |
| 154 | |
| 155 void AndroidVideoTrackSource::OnOutputFormatRequest(int width, | |
| 156 int height, | |
| 157 int fps) { | |
| 158 cricket::VideoFormat format(width, height, | |
| 159 cricket::VideoFormat::FpsToInterval(fps), 0); | |
| 160 video_adapter()->OnOutputFormatRequest(format); | |
| 161 } | |
| 162 | |
| 163 } // namespace webrtc | |
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Chromium Code Reviews
Issue 2547483003:
Move /webrtc/api/android files to /webrtc/sdk/android (Closed)
