shaka-packager/media/base/muxer_options.h

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// 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_BASE_MUXER_OPTIONS_H_
#define MEDIA_BASE_MUXER_OPTIONS_H_
#include <string>
namespace media {
/// This structure contains the list of configuration options for Muxer.
struct MuxerOptions {
MuxerOptions();
~MuxerOptions();
/// Generate a single segment for each media presentation. This option
/// should be set for on demand profile.
bool single_segment;
/// Segment duration in seconds. If single_segment is specified, this
/// parameter sets the duration of a subsegment; otherwise, this parameter
/// sets the duration of a segment. A segment can contain one or many
/// fragments.
double segment_duration;
/// Fragment duration in seconds. Should not be larger than the segment
/// duration.
double fragment_duration;
/// Force segments to begin with stream access points. Segment duration may
/// not be exactly what specified by segment_duration.
bool segment_sap_aligned;
/// Force fragments to begin with stream access points. Fragment duration
/// may not be exactly what specified by segment_duration. Setting to true
/// implies that segment_sap_aligned is true as well.
bool fragment_sap_aligned;
/// Set to true to normalize the presentation timestamp to start from zero.
bool normalize_presentation_timestamp;
/// For ISO BMFF only.
/// Set the number of subsegments in each SIDX box. If 0, a single SIDX box
/// is used per segment. If -1, no SIDX box is used. Otherwise, the Muxer
/// will pack N subsegments in the root SIDX of the segment, with
/// segment_duration/N/fragment_duration fragments per subsegment.
int num_subsegments_per_sidx;
/// Output file name. If segment_template is not specified, the Muxer
/// generates this single output file with all segments concatenated;
/// Otherwise, it specifies the init segment name.
std::string output_file_name;
/// Specify output segment name pattern for generated segments. It can
/// furthermore be configured by using a subset of the SegmentTemplate
/// identifiers: $RepresentationID$, $Number$, $Bandwidth$ and $Time.
/// Optional.
std::string segment_template;
/// Specify temporary directory for intermediate files.
std::string temp_dir;
};
} // namespace media
#endif // MEDIA_BASE_MUXER_OPTIONS_H_