Index: webrtc/api/android/jni/native_handle_impl.cc |
diff --git a/webrtc/api/android/jni/native_handle_impl.cc b/webrtc/api/android/jni/native_handle_impl.cc |
deleted file mode 100644 |
index f5076d62112654af696596a6b9296c1a30ed2eb1..0000000000000000000000000000000000000000 |
--- a/webrtc/api/android/jni/native_handle_impl.cc |
+++ /dev/null |
@@ -1,215 +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/native_handle_impl.h" |
- |
-#include <memory> |
- |
-#include "webrtc/api/android/jni/jni_helpers.h" |
-#include "webrtc/base/bind.h" |
-#include "webrtc/base/checks.h" |
-#include "webrtc/base/keep_ref_until_done.h" |
-#include "webrtc/base/logging.h" |
-#include "webrtc/base/scoped_ref_ptr.h" |
- |
-using webrtc::NativeHandleBuffer; |
- |
-namespace webrtc_jni { |
- |
-Matrix::Matrix(JNIEnv* jni, jfloatArray a) { |
- RTC_CHECK_EQ(16, jni->GetArrayLength(a)); |
- jfloat* ptr = jni->GetFloatArrayElements(a, nullptr); |
- for (int i = 0; i < 16; ++i) { |
- elem_[i] = ptr[i]; |
- } |
- jni->ReleaseFloatArrayElements(a, ptr, 0); |
-} |
- |
-jfloatArray Matrix::ToJava(JNIEnv* jni) { |
- jfloatArray matrix = jni->NewFloatArray(16); |
- jni->SetFloatArrayRegion(matrix, 0, 16, elem_); |
- return matrix; |
-} |
- |
-void Matrix::Rotate(webrtc::VideoRotation rotation) { |
- // Texture coordinates are in the range 0 to 1. The transformation of the last |
- // row in each rotation matrix is needed for proper translation, e.g, to |
- // mirror x, we don't replace x by -x, but by 1-x. |
- switch (rotation) { |
- case webrtc::kVideoRotation_0: |
- break; |
- case webrtc::kVideoRotation_90: { |
- const float ROTATE_90[16] = |
- { elem_[4], elem_[5], elem_[6], elem_[7], |
- -elem_[0], -elem_[1], -elem_[2], -elem_[3], |
- elem_[8], elem_[9], elem_[10], elem_[11], |
- elem_[0] + elem_[12], elem_[1] + elem_[13], |
- elem_[2] + elem_[14], elem_[3] + elem_[15]}; |
- memcpy(elem_, ROTATE_90, sizeof(elem_)); |
- } break; |
- case webrtc::kVideoRotation_180: { |
- const float ROTATE_180[16] = |
- { -elem_[0], -elem_[1], -elem_[2], -elem_[3], |
- -elem_[4], -elem_[5], -elem_[6], -elem_[7], |
- elem_[8], elem_[9], elem_[10], elem_[11], |
- elem_[0] + elem_[4] + elem_[12], elem_[1] + elem_[5] + elem_[13], |
- elem_[2] + elem_[6] + elem_[14], elem_[3] + elem_[11]+ elem_[15]}; |
- memcpy(elem_, ROTATE_180, sizeof(elem_)); |
- } break; |
- case webrtc::kVideoRotation_270: { |
- const float ROTATE_270[16] = |
- { -elem_[4], -elem_[5], -elem_[6], -elem_[7], |
- elem_[0], elem_[1], elem_[2], elem_[3], |
- elem_[8], elem_[9], elem_[10], elem_[11], |
- elem_[4] + elem_[12], elem_[5] + elem_[13], |
- elem_[6] + elem_[14], elem_[7] + elem_[15]}; |
- memcpy(elem_, ROTATE_270, sizeof(elem_)); |
- } break; |
- } |
-} |
- |
-// Calculates result = a * b, in column-major order. |
-void Matrix::Multiply(const float a[16], const float b[16], float result[16]) { |
- for (int i = 0; i < 4; ++i) { |
- for (int j = 0; j < 4; ++j) { |
- float sum = 0; |
- for (int k = 0; k < 4; ++k) { |
- sum += a[k * 4 + j] * b[i * 4 + k]; |
- } |
- result[i * 4 + j] = sum; |
- } |
- } |
-} |
- |
-// Center crop by keeping xFraction of the width and yFraction of the height, |
-// so e.g. cropping from 640x480 to 640x360 would use |
-// xFraction=1, yFraction=360/480. |
-void Matrix::Crop(float xFraction, |
- float yFraction, |
- float xOffset, |
- float yOffset) { |
- const float crop_matrix[16] = |
- {xFraction, 0, 0, 0, |
- 0, yFraction, 0, 0, |
- 0, 0, 1, 0, |
- xOffset, yOffset, 0, 1}; |
- const Matrix old = *this; |
- Multiply(crop_matrix, old.elem_, this->elem_); |
-} |
- |
-// Aligning pointer to 64 bytes for improved performance, e.g. use SIMD. |
-static const int kBufferAlignment = 64; |
- |
-NativeHandleImpl::NativeHandleImpl(int id, const Matrix& matrix) |
- : oes_texture_id(id), sampling_matrix(matrix) {} |
- |
-NativeHandleImpl::NativeHandleImpl(JNIEnv* jni, |
- jint j_oes_texture_id, |
- jfloatArray j_transform_matrix) |
- : oes_texture_id(j_oes_texture_id), |
- sampling_matrix(jni, j_transform_matrix) {} |
- |
-AndroidTextureBuffer::AndroidTextureBuffer( |
- int width, |
- int height, |
- const NativeHandleImpl& native_handle, |
- jobject surface_texture_helper, |
- const rtc::Callback0<void>& no_longer_used) |
- : webrtc::NativeHandleBuffer(&native_handle_, width, height), |
- native_handle_(native_handle), |
- surface_texture_helper_(surface_texture_helper), |
- no_longer_used_cb_(no_longer_used) {} |
- |
-AndroidTextureBuffer::~AndroidTextureBuffer() { |
- no_longer_used_cb_(); |
-} |
- |
-rtc::scoped_refptr<webrtc::VideoFrameBuffer> |
-AndroidTextureBuffer::NativeToI420Buffer() { |
- int uv_width = (width()+7) / 8; |
- int stride = 8 * uv_width; |
- int uv_height = (height()+1)/2; |
- size_t size = stride * (height() + uv_height); |
- // The data is owned by the frame, and the normal case is that the |
- // data is deleted by the frame's destructor callback. |
- // |
- // TODO(nisse): Use an I420BufferPool. We then need to extend that |
- // class, and I420Buffer, to support our memory layout. |
- std::unique_ptr<uint8_t, webrtc::AlignedFreeDeleter> yuv_data( |
- static_cast<uint8_t*>(webrtc::AlignedMalloc(size, kBufferAlignment))); |
- // See SurfaceTextureHelper.java for the required layout. |
- uint8_t* y_data = yuv_data.get(); |
- uint8_t* u_data = y_data + height() * stride; |
- uint8_t* v_data = u_data + stride/2; |
- |
- rtc::scoped_refptr<webrtc::VideoFrameBuffer> copy = |
- new rtc::RefCountedObject<webrtc::WrappedI420Buffer>( |
- width(), height(), |
- y_data, stride, |
- u_data, stride, |
- v_data, stride, |
- rtc::Bind(&webrtc::AlignedFree, yuv_data.release())); |
- |
- JNIEnv* jni = AttachCurrentThreadIfNeeded(); |
- ScopedLocalRefFrame local_ref_frame(jni); |
- |
- jmethodID transform_mid = GetMethodID( |
- jni, |
- GetObjectClass(jni, surface_texture_helper_), |
- "textureToYUV", |
- "(Ljava/nio/ByteBuffer;IIII[F)V"); |
- |
- jobject byte_buffer = jni->NewDirectByteBuffer(y_data, size); |
- |
- jfloatArray sampling_matrix = native_handle_.sampling_matrix.ToJava(jni); |
- jni->CallVoidMethod(surface_texture_helper_, |
- transform_mid, |
- byte_buffer, width(), height(), stride, |
- native_handle_.oes_texture_id, sampling_matrix); |
- CHECK_EXCEPTION(jni) << "textureToYUV throwed an exception"; |
- |
- return copy; |
-} |
- |
-rtc::scoped_refptr<AndroidTextureBuffer> |
-AndroidTextureBuffer::CropScaleAndRotate(int cropped_width, |
- int cropped_height, |
- int crop_x, |
- int crop_y, |
- int dst_width, |
- int dst_height, |
- webrtc::VideoRotation rotation) { |
- if (cropped_width == dst_width && cropped_height == dst_height && |
- width() == dst_width && height() == dst_height && |
- rotation == webrtc::kVideoRotation_0) { |
- return this; |
- } |
- int rotated_width = (rotation % 180 == 0) ? dst_width : dst_height; |
- int rotated_height = (rotation % 180 == 0) ? dst_height : dst_width; |
- |
- // Here we use Bind magic to add a reference count to |this| until the newly |
- // created AndroidTextureBuffer is destructed |
- rtc::scoped_refptr<AndroidTextureBuffer> buffer( |
- new rtc::RefCountedObject<AndroidTextureBuffer>( |
- rotated_width, rotated_height, native_handle_, |
- surface_texture_helper_, rtc::KeepRefUntilDone(this))); |
- |
- if (cropped_width != width() || cropped_height != height()) { |
- buffer->native_handle_.sampling_matrix.Crop( |
- cropped_width / static_cast<float>(width()), |
- cropped_height / static_cast<float>(height()), |
- crop_x / static_cast<float>(width()), |
- crop_y / static_cast<float>(height())); |
- } |
- buffer->native_handle_.sampling_matrix.Rotate(rotation); |
- return buffer; |
-} |
- |
-} // namespace webrtc_jni |