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The reference synthesiser gains what a short channel sting needs, all in the wai.det.fixed64 floor and trig-free, every committed score rendering byte for byte as before (the three first-revision vectors keep their mixdown hash, PCM SHA-256 and score hash): - score §2.2, §3.1: waveforms 4 to 6, the saw, square and 25 %-pulse with each step corrected by a polynomial (PolyBLEP); 7, a sine by a refined parabola; 8, noise held from a 32-bit LCG between wraps of the phase. - score §2.1, §3.4: a contract of two channels mixes down to interleaved frames; a reader refuses any count but 1 and 2; a score with no voices centres each note. - score §2.4, §3.3: an optional third section, one 73-byte voice per note: a constant-power pan by the profile's integer square root, curved attack, decay and release (the release from the level at note-off), up to four one-pole low-pass sections that follow the envelope, a linear glide, the noise seed, and up to eight echoes at alternating pans. The 65-byte note record is unchanged; the score hash binds the voices when present. - wai score build|render: channels 2, waveforms to 8, each note's optional voice; render prints frames and channels. Receipt blocks are 4096 frames. - score-conformance: five vectors at 48 kHz (band-limited, two channels, voiced in one, a two-second sting, a voiced scale); multi_verify.py's independent synth agrees with all eight. - packaging §5.8: a score of one or two channels packs beside the lead with its voices, its floor the FLAC of the mixdown in its channels; verify holds the floor to the base's channels and rate. pack-conformance/multi/multi-sting-01 is a voiced two-channel score at 48 kHz. - The composing sink synthesises and plays a score in its contract's channels; its reference package's score is now two channels at 48 kHz, voiced. Co-Authored-By: Claude Opus 5.5 <[email protected]>
119 lines
2.1 KiB
TOML
119 lines
2.1 KiB
TOML
# The reference package of the composing sink (browser-sink §14): one programme as five
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# components on one timeline, each in the capability that suits it, packed by wai-pack
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# (packaging §5.8). README.md says how each source is made.
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schema = "wai.pack.policy/1"
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asset_id = "compose-reference-01"
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royalty_free_only = false
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lead = "v"
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# Camera-like footage: a 320 x 180 test pattern, the fixture compose-01.
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[[component]]
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id = "v"
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media = "video"
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source = "src.y4m"
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[component.timebase]
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num = 25
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den = 1
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# Titles and credits, drawn at the sink.
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[[component]]
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id = "g"
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media = "graphics"
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source = "../../vector-conformance/vectors/motion/stroke-titles.wvg1"
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[component.timebase]
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num = 25
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den = 1
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# Captions.
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[[component]]
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id = "t"
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media = "text"
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source = "sources/t.vtt"
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lang = "en"
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[component.timebase]
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num = 1000
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den = 1
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# Music, as a score the sink plays: two channels at 48 kHz, each note voiced.
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[[component]]
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id = "s"
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media = "audio"
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source = "sources/s.wscr"
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[component.timebase]
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num = 48000
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den = 1
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# A scoreboard, as signed state.
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[[component]]
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id = "f"
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media = "feed"
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source = "sources/f.wwld"
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[component.timebase]
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num = 10
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den = 1
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[segmentation]
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target_ms = 2000
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min_ms = 1000
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max_ms = 4000
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[[ladder]]
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id = "b0"
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component = "v"
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capability = "wai.video.int_motion"
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role = "base"
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params = { block = 16, search = 4, mv_precision = 1, q_candidates = [24, 16], max_sse_px_milli = 60000 }
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[[ladder]]
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id = "f0"
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component = "v"
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capability = "wai.video.av1"
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role = "floor"
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params = { source = "supplied" }
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[[ladder]]
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id = "g0"
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component = "g"
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capability = "wai.graphics.vector"
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role = "base"
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[[ladder]]
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id = "t0"
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component = "t"
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capability = "wai.text.timed"
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role = "base"
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[[ladder]]
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id = "s0"
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component = "s"
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capability = "wai.audio.score"
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role = "base"
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[[ladder]]
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id = "s1"
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component = "s"
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capability = "wai.audio.flac"
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role = "floor"
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params = { source = "encode" }
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[[ladder]]
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id = "fb"
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component = "f"
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capability = "wai.feed.state"
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role = "base"
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[floor]
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supplied_listing = "3cf1c429c5d6001ac158a5516e6258c9823642e8c244eb5f75e114c83a78c097"
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[[class]]
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id = "tv"
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max_layer = 0
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[[class]]
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id = "legacy"
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floor_only = true
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