File: encoded_image.cc

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/*
 *  Copyright (c) 2012 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/encoded_image.h"

#include <stdlib.h>

#include <cstdint>
#include <optional>
#include <utility>

#include "api/make_ref_counted.h"
#include "api/scoped_refptr.h"
#include "api/units/timestamp.h"
#include "rtc_base/buffer.h"
#include "rtc_base/checks.h"

namespace webrtc {

EncodedImageBuffer::EncodedImageBuffer(size_t size) : buffer_(size) {}

EncodedImageBuffer::EncodedImageBuffer(const uint8_t* data, size_t size)
    : buffer_(data, size) {}

EncodedImageBuffer::EncodedImageBuffer(Buffer buffer)
    : buffer_(std::move(buffer)) {}

// static
scoped_refptr<EncodedImageBuffer> EncodedImageBuffer::Create(size_t size) {
  return make_ref_counted<EncodedImageBuffer>(size);
}
// static
scoped_refptr<EncodedImageBuffer> EncodedImageBuffer::Create(
    const uint8_t* data,
    size_t size) {
  return make_ref_counted<EncodedImageBuffer>(data, size);
}
// static
scoped_refptr<EncodedImageBuffer> EncodedImageBuffer::Create(Buffer buffer) {
  return make_ref_counted<EncodedImageBuffer>(std::move(buffer));
}

const uint8_t* EncodedImageBuffer::data() const {
  return buffer_.data();
}
uint8_t* EncodedImageBuffer::data() {
  return buffer_.data();
}
size_t EncodedImageBuffer::size() const {
  return buffer_.size();
}

void EncodedImageBuffer::Realloc(size_t size) {
  buffer_.SetSize(size);
}

EncodedImage::EncodedImage() = default;

EncodedImage::EncodedImage(EncodedImage&&) = default;
EncodedImage::EncodedImage(const EncodedImage&) = default;

EncodedImage::~EncodedImage() = default;

EncodedImage& EncodedImage::operator=(EncodedImage&&) = default;
EncodedImage& EncodedImage::operator=(const EncodedImage&) = default;

void EncodedImage::SetEncodeTime(int64_t encode_start_ms,
                                 int64_t encode_finish_ms) {
  timing_.encode_start_ms = encode_start_ms;
  timing_.encode_finish_ms = encode_finish_ms;
}

Timestamp EncodedImage::CaptureTime() const {
  return capture_time_ms_ > 0 ? Timestamp::Millis(capture_time_ms_)
                              : Timestamp::MinusInfinity();
}

std::optional<size_t> EncodedImage::SpatialLayerFrameSize(
    int spatial_index) const {
  RTC_DCHECK_GE(spatial_index, 0);
  RTC_DCHECK_LE(spatial_index, spatial_index_.value_or(0));

  auto it = spatial_layer_frame_size_bytes_.find(spatial_index);
  if (it == spatial_layer_frame_size_bytes_.end()) {
    return std::nullopt;
  }

  return it->second;
}

void EncodedImage::SetSpatialLayerFrameSize(int spatial_index,
                                            size_t size_bytes) {
  RTC_DCHECK_GE(spatial_index, 0);
  RTC_DCHECK_LE(spatial_index, spatial_index_.value_or(0));
  RTC_DCHECK_GE(size_bytes, 0);
  spatial_layer_frame_size_bytes_[spatial_index] = size_bytes;
}

}  // namespace webrtc