Deluan 2151c7e962 feat(ffmpeg): add ProbeAudioStream for authoritative audio metadata
Add ProbeAudioStream to FFmpeg interface, using ffprobe to extract
codec, profile, bitrate, sample rate, bit depth, and channels.
Parse bits_per_raw_sample as fallback for FLAC/ALAC bit depth.
Normalize "unknown" profile to empty string.
All parseProbeOutput tests use real ffprobe JSON from actual files.
2026-03-07 14:06:32 -05:00
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2026-03-07 12:02:00 -05:00