2019-03-11 22:57:10 -04:00
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"""Constants for Stream component."""
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2019-07-31 12:25:30 -07:00
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DOMAIN = "stream"
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2019-03-11 22:57:10 -04:00
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2021-02-20 06:49:39 -08:00
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ATTR_ENDPOINTS = "endpoints"
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2021-08-29 09:53:41 +08:00
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ATTR_SETTINGS = "settings"
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2019-07-31 12:25:30 -07:00
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ATTR_STREAMS = "streams"
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2019-03-28 00:47:07 -04:00
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2021-05-27 11:22:31 +08:00
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HLS_PROVIDER = "hls"
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RECORDER_PROVIDER = "recorder"
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OUTPUT_FORMATS = [HLS_PROVIDER]
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2019-03-11 22:57:10 -04:00
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2021-02-23 10:37:19 +08:00
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SEGMENT_CONTAINER_FORMAT = "mp4" # format for segments
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RECORDER_CONTAINER_FORMAT = "mp4" # format for recorder output
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AUDIO_CODECS = {"aac", "mp3"}
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2021-05-27 11:22:31 +08:00
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FORMAT_CONTENT_TYPE = {HLS_PROVIDER: "application/vnd.apple.mpegurl"}
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2019-03-11 22:57:10 -04:00
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2021-02-08 07:19:41 -08:00
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OUTPUT_IDLE_TIMEOUT = 300 # Idle timeout due to inactivity
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2021-02-11 04:51:16 +08:00
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NUM_PLAYLIST_SEGMENTS = 3 # Number of segments to use in HLS playlist
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2021-06-14 00:41:21 +08:00
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MAX_SEGMENTS = 5 # Max number of segments to keep around
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2021-08-29 09:53:41 +08:00
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TARGET_SEGMENT_DURATION_NON_LL_HLS = 2.0 # Each segment is about this many seconds
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2021-05-28 13:36:41 +08:00
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SEGMENT_DURATION_ADJUSTER = 0.1 # Used to avoid missing keyframe boundaries
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2021-05-30 11:41:23 +08:00
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# Number of target durations to start before the end of the playlist.
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# 1.5 should put us in the middle of the second to last segment even with
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# variable keyframe intervals.
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2021-08-29 09:53:41 +08:00
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EXT_X_START_NON_LL_HLS = 1.5
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# Number of part durations to start before the end of the playlist with LL-HLS
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EXT_X_START_LL_HLS = 2
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2020-08-20 11:18:54 +08:00
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PACKETS_TO_WAIT_FOR_AUDIO = 20 # Some streams have an audio stream with no audio
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2020-09-30 23:45:59 +08:00
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MAX_TIMESTAMP_GAP = 10000 # seconds - anything from 10 to 50000 is probably reasonable
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2020-10-25 10:55:12 +08:00
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MAX_MISSING_DTS = 6 # Number of packets missing DTS to allow
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2021-05-30 11:41:23 +08:00
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SOURCE_TIMEOUT = 30 # Timeout for reading stream source
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2020-11-12 01:32:56 +08:00
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STREAM_RESTART_INCREMENT = 10 # Increase wait_timeout by this amount each retry
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STREAM_RESTART_RESET_TIME = 300 # Reset wait_timeout after this many seconds
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2021-08-29 09:53:41 +08:00
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CONF_LL_HLS = "ll_hls"
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CONF_PART_DURATION = "part_duration"
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CONF_SEGMENT_DURATION = "segment_duration"
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2022-05-15 14:31:18 +08:00
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CONF_PREFER_TCP = "prefer_tcp"
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CONF_RTSP_TRANSPORT = "rtsp_transport"
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# The first dict entry below may be used as the default when populating options
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RTSP_TRANSPORTS = {
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"tcp": "TCP",
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"udp": "UDP",
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"udp_multicast": "UDP Multicast",
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"http": "HTTP",
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}
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CONF_USE_WALLCLOCK_AS_TIMESTAMPS = "use_wallclock_as_timestamps"
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2022-06-17 01:48:52 +10:00
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CONF_EXTRA_PART_WAIT_TIME = "extra_part_wait_time"
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