| /* |
| * Copyright (c) 2017 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 <jni.h> |
| |
| #include "sdk/android/generated_video_jni/jni/VideoFrameDrawer_jni.h" |
| #include "sdk/android/native_api/jni/scoped_java_ref.h" |
| |
| namespace webrtc { |
| namespace jni { |
| |
| static void JNI_VideoFrameDrawer_CopyPlane( |
| JNIEnv* jni, |
| const JavaParamRef<jclass>&, |
| const JavaParamRef<jobject>& j_src_buffer, |
| jint width, |
| jint height, |
| jint src_stride, |
| const JavaParamRef<jobject>& j_dst_buffer, |
| jint dst_stride) { |
| size_t src_size = jni->GetDirectBufferCapacity(j_src_buffer.obj()); |
| size_t dst_size = jni->GetDirectBufferCapacity(j_dst_buffer.obj()); |
| RTC_CHECK(src_stride >= width) << "Wrong source stride " << src_stride; |
| RTC_CHECK(dst_stride >= width) << "Wrong destination stride " << dst_stride; |
| RTC_CHECK(src_size >= src_stride * height) |
| << "Insufficient source buffer capacity " << src_size; |
| RTC_CHECK(dst_size >= dst_stride * height) |
| << "Insufficient destination buffer capacity " << dst_size; |
| uint8_t* src = reinterpret_cast<uint8_t*>( |
| jni->GetDirectBufferAddress(j_src_buffer.obj())); |
| uint8_t* dst = reinterpret_cast<uint8_t*>( |
| jni->GetDirectBufferAddress(j_dst_buffer.obj())); |
| if (src_stride == dst_stride) { |
| memcpy(dst, src, src_stride * height); |
| } else { |
| for (int i = 0; i < height; i++) { |
| memcpy(dst, src, width); |
| src += src_stride; |
| dst += dst_stride; |
| } |
| } |
| } |
| |
| } // namespace jni |
| } // namespace webrtc |