56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef MEDIA_FORMATS_MP4_SINGLE_SEGMENT_SEGMENTER_H_
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#define MEDIA_FORMATS_MP4_SINGLE_SEGMENT_SEGMENTER_H_
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#include "media/file/file_closer.h"
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#include "media/formats/mp4/segmenter.h"
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namespace media {
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namespace mp4 {
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/// Segmenter for MP4 Dash Video-On-Demand profile. A single MP4 file with a
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/// single segment is created, i.e. with only one SIDX box. The generated media
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/// file can contain one or many subsegments with subsegment duration
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/// defined by @b MuxerOptions.segment_duration. A subsegment can contain one
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/// or many fragments with fragment duration defined by @b
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/// MuxerOptions.fragment_duration. The actual subsegment or fragment duration
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/// may not match the requested duration exactly, but will be approximated. That
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/// is, the Segmenter tries to end subsegment/fragment at the first sample with
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/// overall subsegment/fragment duration not smaller than defined duration and
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/// yet meet SAP requirements. SingleSegmentSegmenter ignores @b
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/// MuxerOptions.num_subsegments_per_sidx.
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class SingleSegmentSegmenter : public Segmenter {
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public:
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SingleSegmentSegmenter(const MuxerOptions& options,
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scoped_ptr<FileType> ftyp,
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scoped_ptr<Movie> moov);
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virtual ~SingleSegmentSegmenter();
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/// @name Segmenter implementation overrides.
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/// @{
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virtual bool GetInitRange(size_t* offset, size_t* size) OVERRIDE;
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virtual bool GetIndexRange(size_t* offset, size_t* size) OVERRIDE;
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/// @}
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private:
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// Segmenter implementation overrides.
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virtual Status DoInitialize() OVERRIDE;
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virtual Status DoFinalize() OVERRIDE;
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virtual Status DoFinalizeSegment() OVERRIDE;
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scoped_ptr<SegmentIndex> vod_sidx_;
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scoped_ptr<File, FileCloser> temp_file_;
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DISALLOW_COPY_AND_ASSIGN(SingleSegmentSegmenter);
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};
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} // namespace mp4
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} // namespace media
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#endif // MEDIA_FORMATS_MP4_SINGLE_SEGMENT_SEGMENTER_H_
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