commit b86a1770ee648751ea0cb8a1d8b8cc8db14e6798
author Sami Kalliomäki <sakal@webrtc.org> Thu Nov 21 11:08:54 2019 +0100
committer Commit Bot <commit-bot@chromium.org> Thu Nov 21 12:02:30 2019 +0000
tree d8b7f94d29cd87636b026de11c05fbb42b00c2f4
parent e835fc01b1a93244fcc224847322af64dc93040a

Expose ABGRToI420 in YuvHelper.

Bug: None
Change-Id: I59947339a3a4bb683211ec3c00713ccfbf35bc40
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160182
Reviewed-by: Paulina Hensman <phensman@webrtc.org>
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29855}

sdk/android/api/org/webrtc/YuvHelper.java

diff --git a/sdk/android/api/org/webrtc/YuvHelper.java b/sdk/android/api/org/webrtc/YuvHelper.java
index f82fde8..83bd7dc 100644
--- a/sdk/android/api/org/webrtc/YuvHelper.java
+++ b/sdk/android/api/org/webrtc/YuvHelper.java
@@ -102,6 +102,13 @@
     nativeCopyPlane(src, srcStride, dst, dstStride, width, height);
   }
 
+  /** Converts ABGR little endian (rgba in memory) to I420. */
+  public static void ABGRToI420(ByteBuffer src, int srcStride, ByteBuffer dstY, int dstStrideY,
+      ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int width, int height) {
+    nativeABGRToI420(
+        src, srcStride, dstY, dstStrideY, dstU, dstStrideU, dstV, dstStrideV, width, height);
+  }
+
   public static void I420Copy(ByteBuffer srcY, int srcStrideY, ByteBuffer srcU, int srcStrideU,
       ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY, ByteBuffer dstU,
       int dstStrideU, ByteBuffer dstV, int dstStrideV, int width, int height) {
@@ -136,4 +143,7 @@
       int srcStrideU, ByteBuffer srcV, int srcStrideV, ByteBuffer dstY, int dstStrideY,
       ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int srcWidth, int srcHeight,
       int rotationMode);
+  private static native void nativeABGRToI420(ByteBuffer src, int srcStride, ByteBuffer dstY,
+      int dstStrideY, ByteBuffer dstU, int dstStrideU, ByteBuffer dstV, int dstStrideV, int width,
+      int height);
 }

sdk/android/src/jni/yuv_helper.cc

diff --git a/sdk/android/src/jni/yuv_helper.cc b/sdk/android/src/jni/yuv_helper.cc
index 04ae49b..e812bc9 100644
--- a/sdk/android/src/jni/yuv_helper.cc
+++ b/sdk/android/src/jni/yuv_helper.cc
@@ -130,5 +130,29 @@
                      static_cast<libyuv::RotationMode>(rotation_mode));
 }
 
+void JNI_YuvHelper_ABGRToI420(JNIEnv* jni,
+                              const JavaParamRef<jobject>& j_src,
+                              jint src_stride,
+                              const JavaParamRef<jobject>& j_dst_y,
+                              jint dst_stride_y,
+                              const JavaParamRef<jobject>& j_dst_u,
+                              jint dst_stride_u,
+                              const JavaParamRef<jobject>& j_dst_v,
+                              jint dst_stride_v,
+                              jint src_width,
+                              jint src_height) {
+  const uint8_t* src =
+      static_cast<const uint8_t*>(jni->GetDirectBufferAddress(j_src.obj()));
+  uint8_t* dst_y =
+      static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_y.obj()));
+  uint8_t* dst_u =
+      static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_u.obj()));
+  uint8_t* dst_v =
+      static_cast<uint8_t*>(jni->GetDirectBufferAddress(j_dst_v.obj()));
+
+  libyuv::ABGRToI420(src, src_stride, dst_y, dst_stride_y, dst_u, dst_stride_u,
+                     dst_v, dst_stride_v, src_width, src_height);
+}
+
 }  // namespace jni
 }  // namespace webrtc