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feat: VSTi autosample -> SF2/SF3 (tools/autosample_vsti.py) + bit_depth 16/24/32 render/export WAV (render_engine, plugins API, audio_editor, app.jsx encoders) + tests + task/walkthrough docs (53)

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Lộc Phạm
2026-08-11 12:09:02 +07:00
parent f8cb2c6a5e
commit 7293d7ac7e
12 changed files with 2266 additions and 18 deletions
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app/core/audio_editor.py
+2 -2
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@@ -193,7 +193,7 @@ def mix_multitrack_session(tracks_meta: list, output_path: str, sample_rate: int
y, sr_read = sf.read(temp_wav)
# Xác định subtype mã hóa bit-depth
subtype_map = {8: "PCM_S8", 16: "PCM_16", 24: "PCM_24"}
subtype_map = {8: "PCM_S8", 16: "PCM_16", 24: "PCM_24", 32: "PCM_32"}
selected_subtype = subtype_map.get(bit_depth, "PCM_16")
# Ghi tệp WAV chất lượng cao
@@ -254,7 +254,7 @@ def export_audio(input_path: str, output_path: str, format: str = "wav",
sound.export(temp_wav, format="wav")
y, sr_read = sf.read(temp_wav)
subtype_map = {8: "PCM_S8", 16: "PCM_16", 24: "PCM_24"}
subtype_map = {8: "PCM_S8", 16: "PCM_16", 24: "PCM_24", 32: "PCM_32"}
selected_subtype = subtype_map.get(bit_depth, "PCM_16")
sf.write(output_path, y, sample_rate, subtype=selected_subtype)
app/core/render_engine.py
+5 -3
View File
@@ -450,7 +450,7 @@ class PythonRenderEngine:
return session_buffer
def render_project(self, project_json: dict, output_filepath: str):
def render_project(self, project_json: dict, output_filepath: str, bit_depth: int = 16):
bpm = project_json["metadata"]["bpm"]
time_sig_num = project_json["metadata"].get("time_signature_numerator", 4)
main_session = project_json["main_session"]
@@ -475,6 +475,8 @@ class PythonRenderEngine:
if max_peak > 1.0:
master_buffer /= max_peak
# Write final output file
sf.write(output_filepath, master_buffer.T, self.sample_rate)
# Write final output file (bit_depth: 16/24/32 → WAV PCM subtype)
subtype_map = {16: "PCM_16", 24: "PCM_24", 32: "PCM_32"}
sf.write(output_filepath, master_buffer.T, self.sample_rate,
subtype=subtype_map.get(int(bit_depth), "PCM_16"))
return output_filepath