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fix: Skip mixdown for multitrack (#760)

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* multitrack mixdown optimisation

* skip mixdown for multitrack

* skip mixdown for multitrack

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>
This commit is contained in:
Igor Monadical
2025-12-01 23:35:12 -05:00
committed by GitHub
parent a8983b4e7e
commit b51b7aa917
3 changed files with 60 additions and 43 deletions
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17
server/reflector/pipelines/main_multitrack_pipeline.py
View File

@@ -31,6 +31,7 @@ from reflector.processors import AudioFileWriterProcessor
from reflector.processors.audio_waveform_processor import AudioWaveformProcessor
from reflector.processors.types import TitleSummary
from reflector.processors.types import Transcript as TranscriptType
from reflector.settings import settings
from reflector.storage import Storage, get_transcripts_storage
from reflector.utils.daily import (
filter_cam_audio_tracks,
@@ -631,11 +632,21 @@ class PipelineMainMultitrack(PipelineMainBase):
transcript.data_path.mkdir(parents=True, exist_ok=True)
if settings.SKIP_MIXDOWN:
self.logger.warning(
"SKIP_MIXDOWN enabled: Skipping mixdown and waveform generation. "
"UI will have no audio playback or waveform.",
num_tracks=len(padded_track_urls),
transcript_id=transcript.id,
)
else:
mp3_writer = AudioFileWriterProcessor(
path=str(transcript.audio_mp3_filename),
on_duration=self.on_duration,
)
await self.mixdown_tracks(padded_track_urls, mp3_writer, offsets_seconds=None)
await self.mixdown_tracks(
padded_track_urls, mp3_writer, offsets_seconds=None
)
await mp3_writer.flush()
if not transcript.audio_mp3_filename.exists():
@@ -650,7 +661,9 @@ class PipelineMainMultitrack(PipelineMainBase):
await transcript_storage.put_file(storage_path, mp3_file)
mp3_url = await transcript_storage.get_file_url(storage_path)
await transcripts_controller.update(transcript, {"audio_location": "storage"})
await transcripts_controller.update(
transcript, {"audio_location": "storage"}
)
self.logger.info(
f"Uploaded mixed audio to storage",

8
server/reflector/settings.py
View File

@@ -138,6 +138,14 @@ class Settings(BaseSettings):
DAILY_WEBHOOK_UUID: str | None = (
None # Webhook UUID for this environment. Not used by production code
)
# Multitrack processing
# SKIP_MIXDOWN: When True, skips audio mixdown and waveform generation.
# Transcription still works using individual tracks. Useful for:
# - Diagnosing OOM issues in mixdown
# - Fast processing when audio playback is not needed
# Note: UI will have no audio playback or waveform when enabled.
SKIP_MIXDOWN: bool = True
# Platform Configuration
DEFAULT_VIDEO_PLATFORM: Platform = WHEREBY_PLATFORM

16
www/app/(app)/transcripts/[transcriptId]/page.tsx
View File

@@ -117,15 +117,6 @@ export default function TranscriptDetails(details: TranscriptDetails) {
return <Modal title="Loading" text={"Loading transcript..."} />;
}
if (mp3.error) {
return (
<Modal
title="Transcription error"
text={`There was an error loading the recording. Error: ${mp3.error}`}
/>
);
}
return (
<>
<Grid
@@ -147,7 +138,12 @@ export default function TranscriptDetails(details: TranscriptDetails) {
/>
) : !mp3.loading && (waveform.error || mp3.error) ? (
<Box p={4} bg="red.100" borderRadius="md">
<Text>Error loading this recording</Text>
<Text>
Error loading{" "}
{[waveform.error && "waveform", mp3.error && "mp3"]
.filter(Boolean)
.join(" and ")}
</Text>
</Box>
) : (
<Skeleton h={14} />