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/*
* Copyright (c) 2020 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 "test/mappable_native_buffer.h"
#include "absl/algorithm/container.h"
#include "api/video/i420_buffer.h"
#include "api/video/nv12_buffer.h"
#include "api/video/video_frame.h"
#include "api/video/video_rotation.h"
#include "common_video/include/video_frame_buffer.h"
#include "rtc_base/checks.h"
namespace webrtc {
namespace test {
namespace {
class NV12BufferWithDidConvertToI420 : public NV12Buffer {
public:
NV12BufferWithDidConvertToI420(int width, int height)
: NV12Buffer(width, height), did_convert_to_i420_(false) {}
bool did_convert_to_i420() const { return did_convert_to_i420_; }
rtc::scoped_refptr<I420BufferInterface> ToI420() override {
did_convert_to_i420_ = true;
return NV12Buffer::ToI420();
}
private:
bool did_convert_to_i420_;
};
} // namespace
VideoFrame CreateMappableNativeFrame(int64_t ntp_time_ms,
VideoFrameBuffer::Type mappable_type,
int width,
int height) {
VideoFrame frame =
VideoFrame::Builder()
.set_video_frame_buffer(rtc::make_ref_counted<MappableNativeBuffer>(
mappable_type, width, height))
.set_timestamp_rtp(99)
.set_timestamp_ms(99)
.set_rotation(kVideoRotation_0)
.build();
frame.set_ntp_time_ms(ntp_time_ms);
return frame;
}
rtc::scoped_refptr<MappableNativeBuffer> GetMappableNativeBufferFromVideoFrame(
const VideoFrame& frame) {
return rtc::scoped_refptr<MappableNativeBuffer>(
static_cast<MappableNativeBuffer*>(frame.video_frame_buffer().get()));
}
MappableNativeBuffer::ScaledBuffer::ScaledBuffer(
rtc::scoped_refptr<MappableNativeBuffer> parent,
int width,
int height)
: parent_(std::move(parent)), width_(width), height_(height) {}
MappableNativeBuffer::ScaledBuffer::~ScaledBuffer() {}
rtc::scoped_refptr<VideoFrameBuffer>
MappableNativeBuffer::ScaledBuffer::CropAndScale(int offset_x,
int offset_y,
int crop_width,
int crop_height,
int scaled_width,
int scaled_height) {
return rtc::make_ref_counted<ScaledBuffer>(parent_, scaled_width,
scaled_height);
}
rtc::scoped_refptr<I420BufferInterface>
MappableNativeBuffer::ScaledBuffer::ToI420() {
return parent_->GetOrCreateMappedBuffer(width_, height_)->ToI420();
}
rtc::scoped_refptr<VideoFrameBuffer>
MappableNativeBuffer::ScaledBuffer::GetMappedFrameBuffer(
rtc::ArrayView<VideoFrameBuffer::Type> types) {
if (absl::c_find(types, parent_->mappable_type_) == types.end())
return nullptr;
return parent_->GetOrCreateMappedBuffer(width_, height_);
}
MappableNativeBuffer::MappableNativeBuffer(VideoFrameBuffer::Type mappable_type,
int width,
int height)
: mappable_type_(mappable_type), width_(width), height_(height) {
RTC_DCHECK(mappable_type_ == VideoFrameBuffer::Type::kI420 ||
mappable_type_ == VideoFrameBuffer::Type::kNV12);
}
MappableNativeBuffer::~MappableNativeBuffer() {}
rtc::scoped_refptr<VideoFrameBuffer> MappableNativeBuffer::CropAndScale(
int offset_x,
int offset_y,
int crop_width,
int crop_height,
int scaled_width,
int scaled_height) {
return FullSizeBuffer()->CropAndScale(
offset_x, offset_y, crop_width, crop_height, scaled_width, scaled_height);
}
rtc::scoped_refptr<I420BufferInterface> MappableNativeBuffer::ToI420() {
return FullSizeBuffer()->ToI420();
}
rtc::scoped_refptr<VideoFrameBuffer> MappableNativeBuffer::GetMappedFrameBuffer(
rtc::ArrayView<VideoFrameBuffer::Type> types) {
return FullSizeBuffer()->GetMappedFrameBuffer(types);
}
std::vector<rtc::scoped_refptr<VideoFrameBuffer>>
MappableNativeBuffer::GetMappedFramedBuffers() const {
MutexLock lock(&lock_);
return mapped_buffers_;
}
bool MappableNativeBuffer::DidConvertToI420() const {
if (mappable_type_ != VideoFrameBuffer::Type::kNV12)
return false;
MutexLock lock(&lock_);
for (auto& mapped_buffer : mapped_buffers_) {
if (static_cast<NV12BufferWithDidConvertToI420*>(mapped_buffer.get())
->did_convert_to_i420()) {
return true;
}
}
return false;
}
rtc::scoped_refptr<MappableNativeBuffer::ScaledBuffer>
MappableNativeBuffer::FullSizeBuffer() {
return rtc::make_ref_counted<ScaledBuffer>(
rtc::scoped_refptr<MappableNativeBuffer>(this), width_, height_);
}
rtc::scoped_refptr<VideoFrameBuffer>
MappableNativeBuffer::GetOrCreateMappedBuffer(int width, int height) {
MutexLock lock(&lock_);
for (auto& mapped_buffer : mapped_buffers_) {
if (mapped_buffer->width() == width && mapped_buffer->height() == height) {
return mapped_buffer;
}
}
rtc::scoped_refptr<VideoFrameBuffer> mapped_buffer;
switch (mappable_type_) {
case VideoFrameBuffer::Type::kI420: {
rtc::scoped_refptr<I420Buffer> i420_buffer =
I420Buffer::Create(width, height);
I420Buffer::SetBlack(i420_buffer.get());
mapped_buffer = i420_buffer;
break;
}
case VideoFrameBuffer::Type::kNV12: {
auto nv12_buffer =
rtc::make_ref_counted<NV12BufferWithDidConvertToI420>(width, height);
nv12_buffer->InitializeData();
mapped_buffer = std::move(nv12_buffer);
break;
}
default:
RTC_DCHECK_NOTREACHED();
}
mapped_buffers_.push_back(mapped_buffer);
return mapped_buffer;
}
} // namespace test
} // namespace webrtc
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