Files
platform-external-webrtc/api/video/video_frame_buffer.cc
Evan Shrubsole 84995439fd Add NV12 video buffer type
This will allow incoming NV12 frames to be encodable by libvpx without
requiring a conversion to I420 before encoding. NV12 is supported in
libvpx https://chromium.googlesource.com/webm/libvpx/+/master/CHANGELOG

Bug: webrtc:11916
Change-Id: I30e9c42c0607bee07691930c0248921bba09134c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/183720
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Evan Shrubsole <eshr@google.com>
Cr-Commit-Position: refs/heads/master@{#32061}
2020-09-09 15:26:02 +00:00

104 lines
2.5 KiB
C++

/*
* 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 "api/video/video_frame_buffer.h"
#include "rtc_base/checks.h"
namespace webrtc {
const I420BufferInterface* VideoFrameBuffer::GetI420() const {
// Overridden by subclasses that can return an I420 buffer without any
// conversion, in particular, I420BufferInterface.
return nullptr;
}
const I420ABufferInterface* VideoFrameBuffer::GetI420A() const {
RTC_CHECK(type() == Type::kI420A);
return static_cast<const I420ABufferInterface*>(this);
}
const I444BufferInterface* VideoFrameBuffer::GetI444() const {
RTC_CHECK(type() == Type::kI444);
return static_cast<const I444BufferInterface*>(this);
}
const I010BufferInterface* VideoFrameBuffer::GetI010() const {
RTC_CHECK(type() == Type::kI010);
return static_cast<const I010BufferInterface*>(this);
}
const NV12BufferInterface* VideoFrameBuffer::GetNV12() const {
RTC_CHECK(type() == Type::kNV12);
return static_cast<const NV12BufferInterface*>(this);
}
VideoFrameBuffer::Type I420BufferInterface::type() const {
return Type::kI420;
}
int I420BufferInterface::ChromaWidth() const {
return (width() + 1) / 2;
}
int I420BufferInterface::ChromaHeight() const {
return (height() + 1) / 2;
}
rtc::scoped_refptr<I420BufferInterface> I420BufferInterface::ToI420() {
return this;
}
const I420BufferInterface* I420BufferInterface::GetI420() const {
return this;
}
VideoFrameBuffer::Type I420ABufferInterface::type() const {
return Type::kI420A;
}
VideoFrameBuffer::Type I444BufferInterface::type() const {
return Type::kI444;
}
int I444BufferInterface::ChromaWidth() const {
return width();
}
int I444BufferInterface::ChromaHeight() const {
return height();
}
VideoFrameBuffer::Type I010BufferInterface::type() const {
return Type::kI010;
}
int I010BufferInterface::ChromaWidth() const {
return (width() + 1) / 2;
}
int I010BufferInterface::ChromaHeight() const {
return (height() + 1) / 2;
}
VideoFrameBuffer::Type NV12BufferInterface::type() const {
return Type::kNV12;
}
int NV12BufferInterface::ChromaWidth() const {
return (width() + 1) / 2;
}
int NV12BufferInterface::ChromaHeight() const {
return (height() + 1) / 2;
}
} // namespace webrtc