76 lines
3.1 KiB
C++
76 lines
3.1 KiB
C++
// Copyright 2014 Google LLC. 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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//
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// Defines Muxer flags.
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#include <packager/app/muxer_flags.h>
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ABSL_FLAG(double,
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clear_lead,
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5.0f,
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"Clear lead in seconds if encryption is enabled. Note that we do "
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"not support partial segment encryption, so it is rounded up to "
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"full segments. Set it to a value smaller than segment_duration "
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"so only the first segment is in clear since the first segment "
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"could be smaller than segment_duration if there is small "
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"non-zero starting timestamp.");
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ABSL_FLAG(double,
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segment_duration,
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6.0f,
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"Segment duration in seconds. If single_segment is specified, "
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"this parameter sets the duration of a subsegment; otherwise, "
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"this parameter sets the duration of a segment. Actual segment "
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"durations may not be exactly as requested.");
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ABSL_FLAG(bool,
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segment_sap_aligned,
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true,
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"Force segments to begin with stream access points.");
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ABSL_FLAG(double,
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fragment_duration,
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0,
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"Fragment duration in seconds. Should not be larger than "
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"the segment duration. Actual fragment durations may not be "
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"exactly as requested.");
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ABSL_FLAG(bool,
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fragment_sap_aligned,
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true,
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"Force fragments to begin with stream access points. This flag "
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"implies segment_sap_aligned.");
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ABSL_FLAG(bool,
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generate_sidx_in_media_segments,
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true,
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"Indicates whether to generate 'sidx' box in media segments. Note "
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"that it is required for DASH on-demand profile (not using segment "
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"template).");
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ABSL_FLAG(std::string,
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temp_dir,
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"",
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"Specify a directory in which to store temporary (intermediate) "
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" files. Used only if single_segment=true.");
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ABSL_FLAG(bool,
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mp4_include_pssh_in_stream,
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true,
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"MP4 only: include pssh in the encrypted stream.");
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ABSL_FLAG(int32_t,
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transport_stream_timestamp_offset_ms,
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100,
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"A positive value, in milliseconds, by which output timestamps "
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"are offset to compensate for possible negative timestamps in the "
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"input. For example, timestamps from ISO-BMFF after adjusted by "
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"EditList could be negative. In transport streams, timestamps are "
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"not allowed to be less than zero.");
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ABSL_FLAG(
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int32_t,
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default_text_zero_bias_ms,
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0,
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"A positive value, in milliseconds. It is the threshold used to "
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"determine if we should assume that the text stream actually starts "
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"at time zero. If the first sample comes before default_text_zero_bias_ms, "
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"then the start will be padded as the stream is assumed to start at zero. "
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"If the first sample comes after default_text_zero_bias_ms then the start "
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"of the stream will not be padded as we cannot assume the start time of "
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"the stream.");
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