a3c20bb9a0
The idea is to also reuse AndroidTextureBuffer::CropAndScale when scaling in the encoder. BUG=webrtc:4993 R=magjed@webrtc.org Review URL: https://codereview.webrtc.org/1471333003 . Cr-Commit-Position: refs/heads/master@{#10802}
94 lines
3.6 KiB
C++
94 lines
3.6 KiB
C++
/*
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* libjingle
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* Copyright 2015 Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/app/webrtc/java/jni/native_handle_impl.h"
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#include "webrtc/base/checks.h"
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#include "webrtc/base/bind.h"
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using rtc::scoped_refptr;
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using webrtc::NativeHandleBuffer;
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namespace webrtc_jni {
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namespace {
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void ScaledFrameNotInUse(scoped_refptr<NativeHandleBuffer> original) {}
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} // anonymous namespace
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NativeHandleImpl::NativeHandleImpl(JNIEnv* jni,
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jint j_oes_texture_id,
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jfloatArray j_transform_matrix)
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: oes_texture_id(j_oes_texture_id) {
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RTC_CHECK_EQ(16, jni->GetArrayLength(j_transform_matrix));
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jfloat* transform_matrix_ptr =
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jni->GetFloatArrayElements(j_transform_matrix, nullptr);
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for (int i = 0; i < 16; ++i) {
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sampling_matrix[i] = transform_matrix_ptr[i];
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}
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jni->ReleaseFloatArrayElements(j_transform_matrix, transform_matrix_ptr, 0);
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}
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AndroidTextureBuffer::AndroidTextureBuffer(
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int width,
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int height,
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const NativeHandleImpl& native_handle,
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const rtc::Callback0<void>& no_longer_used)
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: webrtc::NativeHandleBuffer(&native_handle_, width, height),
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native_handle_(native_handle),
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no_longer_used_cb_(no_longer_used) {}
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AndroidTextureBuffer::~AndroidTextureBuffer() {
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no_longer_used_cb_();
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}
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rtc::scoped_refptr<webrtc::VideoFrameBuffer>
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AndroidTextureBuffer::NativeToI420Buffer() {
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RTC_NOTREACHED()
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<< "AndroidTextureBuffer::NativeToI420Buffer not implemented.";
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return nullptr;
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}
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rtc::scoped_refptr<AndroidTextureBuffer> AndroidTextureBuffer::CropAndScale(
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int cropped_input_width,
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int cropped_input_height,
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int dst_widht,
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int dst_height) {
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// TODO(perkj) Implement cropping.
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RTC_CHECK_EQ(cropped_input_width, width_);
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RTC_CHECK_EQ(cropped_input_height, height_);
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// Here we use Bind magic to add a reference count to |this| until the newly
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// created AndroidTextureBuffer is destructed. ScaledFrameNotInUse will be
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// called that happens and when it finishes, the reference count to |this|
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// will be decreased by one.
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return new rtc::RefCountedObject<AndroidTextureBuffer>(
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dst_widht, dst_height, native_handle_,
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rtc::Bind(&ScaledFrameNotInUse, this));
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}
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} // namespace webrtc_jni
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