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Diffstat (limited to '')
| -rw-r--r-- | src/supermariobros.audio.sql | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/supermariobros.audio.sql b/src/supermariobros.audio.sql new file mode 100644 index 0000000..b6ce0a7 --- /dev/null +++ b/src/supermariobros.audio.sql @@ -0,0 +1,33 @@ +INSERT OR REPLACE INTO audio_tracks (id, sample_rate, format) VALUES ('supermariobros', 8000, 'u8') RETURNING id; + +WITH RECURSIVE + audio AS (SELECT *, 250 AS n, 100 AS total_tones, 160 AS gain FROM audio_tracks WHERE id = 'supermariobros'), + notes AS (SELECT 659.225 AS E5, 523.2511 AS C5, 783.9909 AS G5, 391.9954 AS G4), + tone(position) AS (SELECT 0 UNION ALL SELECT position + 1 FROM tone, audio WHERE position < total_tones * n), + _samples(value, position) AS ( + SELECT + (CASE + WHEN position < 5*n THEN position * E5 + WHEN position < 6*n THEN 0 + WHEN position < 11*n THEN position * E5 + WHEN position < 17*n THEN 0 + WHEN position < 22*n THEN position * E5 + WHEN position < 28*n THEN 0 + WHEN position < (28+5)*n THEN position * C5 + WHEN position < (28+6)*n THEN 0 + WHEN position < (28+11)*n THEN position * E5 + WHEN position < (28+17)*n THEN 0 + WHEN position < (28+22)*n THEN position * G5 + WHEN position < (28+39)*n THEN 0 + WHEN position < (28+39+5)*n THEN position * G4 + ELSE 0 + END) AS value, + position + FROM tone, notes, audio + ), + samples(value, position) AS ( + SELECT MOD(FLOOR(value * 2.0 / sample_rate), 2) * gain, position + FROM _samples, audio + ) +-- SELECT value FROM samples ORDER BY position; +INSERT INTO audio_track_samples (audio_track_id, value, position) SELECT 'supermariobros', value, position FROM samples ORDER BY position; |