decoding_time_iterator.h

// Copyright 2014 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
 
#ifndef PACKAGER_MEDIA_FORMATS_MP4_DECODING_TIME_ITERATOR_H_
#define PACKAGER_MEDIA_FORMATS_MP4_DECODING_TIME_ITERATOR_H_
 
#include <cstdint>
#include <vector>
 
#include <packager/macros/classes.h>
#include <packager/media/formats/mp4/box_definitions.h>
 
namespace shaka {
namespace media {
namespace mp4 {
 
class DecodingTimeIterator {
 public:
  explicit DecodingTimeIterator(
      const DecodingTimeToSample& decoding_time_to_sample);
  ~DecodingTimeIterator();
 
  bool AdvanceSample();
 
  bool IsValid() const;
 
  uint32_t sample_delta() const { return iterator_->sample_delta; }
 
  int64_t Duration(uint32_t start_sample, uint32_t end_sample) const;
 
  uint32_t NumSamples() const;
 
 private:
  uint32_t sample_index_;
  const std::vector<DecodingTime>& decoding_time_table_;
  std::vector<DecodingTime>::const_iterator iterator_;
 
  DISALLOW_COPY_AND_ASSIGN(DecodingTimeIterator);
};
 
}  // namespace mp4
}  // namespace media
}  // namespace shaka
 
#endif  // PACKAGER_MEDIA_FORMATS_MP4_DECODING_TIME_ITERATOR_H_