1c05765831
Mechanically generated with this command: tools_webrtc/do-rename.sh move all-renames.txt Bug: webrtc:10159 No-Presubmit: true No-Tree-Checks: true No-Try: true Change-Id: I8b05b6eab9b9d18b29c2199bbea239e9add1e690 Reviewed-on: https://webrtc-review.googlesource.com/c/115481 Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26225}
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "sdk/android/generated_video_jni/jni/JavaI420Buffer_jni.h"
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#include "third_party/libyuv/include/libyuv/scale.h"
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namespace webrtc {
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namespace jni {
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static void JNI_JavaI420Buffer_CropAndScaleI420(
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JNIEnv* jni,
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const JavaParamRef<jobject>& j_src_y,
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jint src_stride_y,
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const JavaParamRef<jobject>& j_src_u,
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jint src_stride_u,
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const JavaParamRef<jobject>& j_src_v,
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jint src_stride_v,
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jint crop_x,
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jint crop_y,
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jint crop_width,
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jint crop_height,
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const JavaParamRef<jobject>& j_dst_y,
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jint dst_stride_y,
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const JavaParamRef<jobject>& j_dst_u,
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jint dst_stride_u,
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const JavaParamRef<jobject>& j_dst_v,
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jint dst_stride_v,
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jint scale_width,
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jint scale_height) {
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uint8_t const* src_y =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_src_y.obj()));
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uint8_t const* src_u =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_src_u.obj()));
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uint8_t const* src_v =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_src_v.obj()));
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uint8_t* dst_y =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_y.obj()));
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uint8_t* dst_u =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_u.obj()));
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uint8_t* dst_v =
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static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_v.obj()));
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// Perform cropping using pointer arithmetic.
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src_y += crop_x + crop_y * src_stride_y;
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src_u += crop_x / 2 + crop_y / 2 * src_stride_u;
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src_v += crop_x / 2 + crop_y / 2 * src_stride_v;
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bool ret = libyuv::I420Scale(
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src_y, src_stride_y, src_u, src_stride_u, src_v, src_stride_v, crop_width,
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crop_height, dst_y, dst_stride_y, dst_u, dst_stride_u, dst_v,
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dst_stride_v, scale_width, scale_height, libyuv::kFilterBox);
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RTC_DCHECK_EQ(ret, 0) << "I420Scale failed";
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}
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} // namespace jni
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} // namespace webrtc
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