chromium/third_party/blink/renderer/modules/webcodecs/video_frame_layout.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/modules/webcodecs/video_frame_layout.h"

#include <stdint.h>
#include <vector>

#include "base/numerics/checked_math.h"
#include "media/base/limits.h"
#include "media/base/video_frame.h"
#include "media/base/video_types.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_plane_layout.h"
#include "third_party/blink/renderer/modules/webcodecs/video_frame_rect_util.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/wtf/wtf_size_t.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"

namespace blink {

VideoFrameLayout::VideoFrameLayout() : … { … }

VideoFrameLayout::VideoFrameLayout(media::VideoPixelFormat format,
                                   const gfx::Size& coded_size,
                                   ExceptionState& exception_state)
    : … { … }

VideoFrameLayout::VideoFrameLayout(
    media::VideoPixelFormat format,
    const gfx::Size& coded_size,
    const HeapVector<Member<PlaneLayout>>& layout,
    ExceptionState& exception_state)
    : … { … }

media::VideoFrameLayout VideoFrameLayout::ToMediaLayout() { … }

uint32_t VideoFrameLayout::Size() const { … }

media::VideoPixelFormat VideoFrameLayout::Format() const { … }

wtf_size_t VideoFrameLayout::NumPlanes() const { … }

uint32_t VideoFrameLayout::Offset(wtf_size_t i) const { … }

uint32_t VideoFrameLayout::Stride(wtf_size_t i) const { … }

}  // namespace blink