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- Write channel_name (and stream_name fallback) into Redis metadata at channel init time; read directly from Redis in get_basic_channel_info, removing Stream and M3UAccountProfile DB queries on every stats tick - Pass channel.name from views.py into ChannelService.initialize_channel via new optional channel_name param, skipping the redundant Channel DB lookup on the normal streaming path - Pass stream_name from get_stream_info_for_switch through change_stream_url into _update_channel_metadata, skipping the Stream DB lookup on switches - Resolve m3u_profile_name on the frontend from the playlists store instead of querying the DB per tick; StreamConnectionCard builds an id→profile map - Fix channel start notification showing no name and stop notification showing UUID: both now use channel_name from the stats WebSocket payload
119 lines
3.2 KiB
Python
119 lines
3.2 KiB
Python
"""
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Constants used throughout the TS Proxy application.
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Centralizing constants makes it easier to maintain and modify them.
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"""
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# Redis related constants
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REDIS_KEY_PREFIX = "ts_proxy"
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REDIS_TTL_DEFAULT = 3600 # 1 hour
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REDIS_TTL_SHORT = 60 # 1 minute
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REDIS_TTL_MEDIUM = 300 # 5 minutes
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# Channel states
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class ChannelState:
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INITIALIZING = "initializing"
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CONNECTING = "connecting"
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WAITING_FOR_CLIENTS = "waiting_for_clients"
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ACTIVE = "active"
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ERROR = "error"
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STOPPING = "stopping"
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STOPPED = "stopped"
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BUFFERING = "buffering"
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# States before a channel is fully active. Used by the stream manager
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# finally block to decide whether a failed stream can write ERROR.
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PRE_ACTIVE = frozenset([INITIALIZING, CONNECTING, BUFFERING, WAITING_FOR_CLIENTS])
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# Event types
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class EventType:
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STREAM_SWITCH = "stream_switch"
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STREAM_SWITCHED = "stream_switched"
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CHANNEL_STOP = "channel_stop"
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CHANNEL_STOPPED = "channel_stopped"
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CLIENT_CONNECTED = "client_connected"
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CLIENT_DISCONNECTED = "client_disconnected"
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CLIENT_STOP = "client_stop"
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# Stream types
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class StreamType:
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HLS = "hls"
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RTSP = "rtsp"
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UDP = "udp"
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TS = "ts"
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UNKNOWN = "unknown"
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# Channel metadata field names stored in Redis
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class ChannelMetadataField:
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# Basic fields
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URL = "url"
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USER_AGENT = "user_agent"
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STATE = "state"
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OWNER = "owner"
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STREAM_ID = "stream_id"
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CHANNEL_NAME = "channel_name"
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STREAM_NAME = "stream_name"
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# Profile fields
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STREAM_PROFILE = "stream_profile"
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M3U_PROFILE = "m3u_profile"
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# Status and error fields
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ERROR_MESSAGE = "error_message"
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ERROR_TIME = "error_time"
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STATE_CHANGED_AT = "state_changed_at"
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INIT_TIME = "init_time"
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CONNECTION_READY_TIME = "connection_ready_time"
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# Buffer and data tracking
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BUFFER_CHUNKS = "buffer_chunks"
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TOTAL_BYTES = "total_bytes"
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# Stream switching
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STREAM_SWITCH_TIME = "stream_switch_time"
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STREAM_SWITCH_REASON = "stream_switch_reason"
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# FFmpeg performance metrics
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FFMPEG_SPEED = "ffmpeg_speed"
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FFMPEG_FPS = "ffmpeg_fps"
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ACTUAL_FPS = "actual_fps"
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FFMPEG_OUTPUT_BITRATE = "ffmpeg_output_bitrate"
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FFMPEG_BITRATE = "ffmpeg_bitrate"
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FFMPEG_STATS_UPDATED = "ffmpeg_stats_updated"
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# Video stream info
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VIDEO_CODEC = "video_codec"
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RESOLUTION = "resolution"
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WIDTH = "width"
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HEIGHT = "height"
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SOURCE_FPS = "source_fps"
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PIXEL_FORMAT = "pixel_format"
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VIDEO_BITRATE = "video_bitrate"
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SOURCE_BITRATE = "source_bitrate"
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# Audio stream info
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AUDIO_CODEC = "audio_codec"
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SAMPLE_RATE = "sample_rate"
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AUDIO_CHANNELS = "audio_channels"
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AUDIO_BITRATE = "audio_bitrate"
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# Stream format info
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STREAM_TYPE = "stream_type"
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# Stream info timestamp
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STREAM_INFO_UPDATED = "stream_info_updated"
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# Client metadata fields
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CONNECTED_AT = "connected_at"
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LAST_ACTIVE = "last_active"
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BYTES_SENT = "bytes_sent"
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AVG_RATE_KBPS = "avg_rate_KBps"
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CURRENT_RATE_KBPS = "current_rate_KBps"
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IP_ADDRESS = "ip_address"
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WORKER_ID = "worker_id"
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CHUNKS_SENT = "chunks_sent"
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STATS_UPDATED_AT = "stats_updated_at"
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# TS packet constants
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TS_PACKET_SIZE = 188
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TS_SYNC_BYTE = 0x47
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NULL_PID_HIGH = 0x1F
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NULL_PID_LOW = 0xFF
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