53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
// Copyright 2014 Google Inc. 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 MEDIA_FORMATS_MP4_SYNC_SAMPLE_ITERATOR_H_
|
|
#define MEDIA_FORMATS_MP4_SYNC_SAMPLE_ITERATOR_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <vector>
|
|
|
|
#include "base/macros.h"
|
|
#include "media/formats/mp4/box_definitions.h"
|
|
|
|
namespace edash_packager {
|
|
namespace media {
|
|
namespace mp4 {
|
|
|
|
/// Sync sample box (STSS) iterator used to iterate through the entries within
|
|
/// the compressed table.
|
|
class SyncSampleIterator {
|
|
public:
|
|
/// Create a new SyncSampleIterator from sync sample box.
|
|
explicit SyncSampleIterator(const SyncSample& sync_sample);
|
|
~SyncSampleIterator();
|
|
|
|
/// Advance to the next sample.
|
|
/// @return true if not past the last sample, false otherwise.
|
|
bool AdvanceSample();
|
|
|
|
/// @return true if the current sample is a sync sample, false otherwise.
|
|
bool IsSyncSample() const;
|
|
|
|
/// @return true if @a sample (1-based) is a sync sample, false otherwise.
|
|
bool IsSyncSample(uint32_t sample) const;
|
|
|
|
private:
|
|
uint32_t sample_number_;
|
|
const std::vector<uint32_t>& sync_sample_vector_;
|
|
std::vector<uint32_t>::const_iterator iterator_;
|
|
bool is_empty_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(SyncSampleIterator);
|
|
};
|
|
|
|
} // namespace mp4
|
|
} // namespace media
|
|
} // namespace edash_packager
|
|
|
|
#endif // MEDIA_FORMATS_MP4_SYNC_SAMPLE_ITERATOR_H_
|