101 lines
4.1 KiB
C++
101 lines
4.1 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 Mpd flags.
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#include "packager/app/mpd_flags.h"
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ABSL_FLAG(bool,
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generate_static_live_mpd,
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false,
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"Set to true to generate static mpd. If segment_template is "
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"specified in stream descriptors, shaka-packager generates dynamic "
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"mpd by default; if this flag is enabled, shaka-packager generates "
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"static mpd instead. Note that if segment_template is not "
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"specified, shaka-packager always generates static mpd regardless "
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"of the value of this flag.");
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ABSL_FLAG(bool,
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output_media_info,
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false,
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"Create a human readable format of MediaInfo. The output file name "
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"will be the name specified by output flag, suffixed with "
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"'.media_info'.");
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ABSL_FLAG(std::string, mpd_output, "", "MPD output file name.");
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ABSL_FLAG(std::string,
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base_urls,
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"",
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"Comma separated BaseURLs for the MPD. The values will be added "
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"as <BaseURL> element(s) immediately under the <MPD> element.");
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ABSL_FLAG(double,
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min_buffer_time,
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2.0,
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"Specifies, in seconds, a common duration used in the definition "
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"of the MPD Representation data rate.");
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ABSL_FLAG(double,
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minimum_update_period,
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5.0,
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"Indicates to the player how often to refresh the media "
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"presentation description in seconds. This value is used for "
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"dynamic MPD only.");
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ABSL_FLAG(double,
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suggested_presentation_delay,
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0.0,
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"Specifies a delay, in seconds, to be added to the media "
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"presentation time. This value is used for dynamic MPD only.");
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ABSL_FLAG(std::string,
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utc_timings,
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"",
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"Comma separated UTCTiming schemeIdUri and value pairs for the "
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"MPD. This value is used for dynamic MPD only.");
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ABSL_FLAG(bool,
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generate_dash_if_iop_compliant_mpd,
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true,
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"Try to generate DASH-IF IOP compliant MPD. This is best effort "
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"and does not guarantee compliance.");
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ABSL_FLAG(
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bool,
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allow_approximate_segment_timeline,
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false,
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"For live profile only. "
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"If enabled, segments with close duration (i.e. with difference less than "
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"one sample) are considered to have the same duration. This enables MPD "
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"generator to generate less SegmentTimeline entries. If all segments are "
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"of the same duration except the last one, we will do further optimization "
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"to use SegmentTemplate@duration instead and omit SegmentTimeline "
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"completely."
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"Ignored if $Time$ is used in segment template, since $Time$ requires "
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"accurate Segment Timeline.");
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ABSL_FLAG(bool,
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allow_codec_switching,
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false,
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"If enabled, allow adaptive switching between different codecs, "
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"if they have the same language, media type (audio, video etc) and "
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"container type.");
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ABSL_FLAG(bool,
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include_mspr_pro_for_playready,
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true,
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"If enabled, PlayReady Object <mspr:pro> will be inserted into "
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"<ContentProtection ...> element alongside with <cenc:pssh> "
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"when using PlayReady protection system.");
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ABSL_FLAG(bool,
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dash_force_segment_list,
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false,
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"Uses SegmentList instead of SegmentBase. Use this if the "
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"content is huge and the total number of (sub)segment references "
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"is greater than what the sidx atom allows (65535). Currently "
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"this flag is only supported in DASH ondemand profile.");
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ABSL_FLAG(
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bool,
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low_latency_dash_mode,
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false,
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"If enabled, LL-DASH streaming will be used, "
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"reducing overall latency by decoupling latency from segment duration. "
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"Please see "
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// clang-format off
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"https://shaka-project.github.io/shaka-packager/html/tutorials/low_latency.html "
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// clang-format on
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"for more information.");
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