81 lines
2.9 KiB
C++
81 lines
2.9 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_BASE_MUXER_OPTIONS_H_
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#define MEDIA_BASE_MUXER_OPTIONS_H_
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#include <stdint.h>
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#include <string>
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namespace shaka {
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namespace media {
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/// This structure contains the list of configuration options for Muxer.
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struct MuxerOptions {
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MuxerOptions();
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~MuxerOptions();
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/// Segment duration in seconds. If single_segment is specified, this
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/// parameter sets the duration of a subsegment; otherwise, this parameter
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/// sets the duration of a segment. A segment can contain one or many
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/// fragments.
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double segment_duration = 0;
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/// Fragment duration in seconds. Should not be larger than the segment
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/// duration.
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double fragment_duration = 0;
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/// Force segments to begin with stream access points. Segment duration may
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/// not be exactly what specified by segment_duration.
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bool segment_sap_aligned = false;
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/// Force fragments to begin with stream access points. Fragment duration
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/// may not be exactly what specified by segment_duration. Setting to true
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/// implies that segment_sap_aligned is true as well.
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bool fragment_sap_aligned = false;
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/// For ISO BMFF only.
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/// Set the number of subsegments in each SIDX box. If 0, a single SIDX box
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/// is used per segment. If -1, no SIDX box is used. Otherwise, the Muxer
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/// will pack N subsegments in the root SIDX of the segment, with
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/// segment_duration/N/fragment_duration fragments per subsegment.
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int num_subsegments_per_sidx = 0;
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/// For ISO BMFF only.
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/// Set the flag use_decoding_timestamp_in_timeline, which if set to true, use
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/// decoding timestamp instead of presentation timestamp in media timeline,
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/// which is needed to workaround a Chromium bug that decoding timestamp is
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/// used in buffered range, https://crbug.com/398130.
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bool mp4_use_decoding_timestamp_in_timeline = false;
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/// Output file name. If segment_template is not specified, the Muxer
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/// generates this single output file with all segments concatenated;
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/// Otherwise, it specifies the init segment name.
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std::string output_file_name;
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/// Specify output segment name pattern for generated segments. It can
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/// furthermore be configured by using a subset of the SegmentTemplate
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/// identifiers: $RepresentationID$, $Number$, $Bandwidth$ and $Time.
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/// Optional.
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std::string segment_template;
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/// Specify temporary directory for intermediate files.
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std::string temp_dir;
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/// User-specified bit rate for the media stream. If zero, the muxer will
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/// attempt to estimate.
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uint32_t bandwidth = 0;
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// Enable/disable subsample encryption for WebM containers.
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bool webm_subsample_encryption = true;
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};
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} // namespace media
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} // namespace shaka
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#endif // MEDIA_BASE_MUXER_OPTIONS_H_
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