The WAV parser now walks chunk headers to find the data chunk instead of
scanning for the four bytes "data". A LIST chunk between fmt and data is
common, arecord and ffmpeg both write one, and its payload is free text that
can spell the word. A byte scan took that text for a chunk header and read the
comment as samples.
WAVHeader named WAVFromPCM in its error, so a caller of WAVHeader read the
wrong function. internal/capture calls it twice.
PCMFromWAV returns PCM that aliases the buffer it was given. That is the right
trade for a long recording and it was undocumented, so the doc comment now says
so and names the two ways a caller gets it wrong.
The TTS stub wrote 16000 three times. It reads the rate and the sample width
off audio.PCM16kMono now, so the tone stays in tune with the shape the seam
declares, and the sample write goes through binary.LittleEndian.
Identify computed the clip length twice to report it once.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Put takes a []byte, so storing a recording meant the whole recording in
memory. A two hour meeting at 16 kHz mono is about 230 MB of WAV, and
building it from PCM held a second copy of the same size in the process
that also owns the database and the resident model. PutFile stats the
file, hashes it in a stream and renames it into place, so the peak is one
buffer regardless of length. SpoolFile hands out the scratch file it
moves from, under the media dir so it shares the same disk and the same
permissions.
Audio also gets its own per blob cap of 512 MiB. The image cap of 64 MiB
is 35 minutes of audio, which contradicted the two hour session cap: the
long meeting was exactly the one that failed to store.
audio.WAVHeader is split out of WAVFromPCM because a spooled capture
writes a placeholder header first and stamps the real length at the end.
Found in review of #73.
- Add CalendarEvents method to recordingAPI in auth_test.go
- Add CalendarEvents method to fakeCore in handlers_test.go
Co-Authored-By: opencode <opencode@anthropic.com>