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authorTom Barrett <tom@tombarrett.xyz>2020-03-10 10:15:01 -0500
committerTom Barrett <tom@tombarrett.xyz>2020-03-10 10:15:01 -0500
commit79cb6caee1513c6b70a1f2201b73c222af3ec007 (patch)
tree1463f16d4bfcc026ae1ce458663db4208faaea64 /src/audio.rs
parentf57de5cd6075c071fe89bb7af898072b0a8daab6 (diff)
plots *a waveform*, not timed correctly
Diffstat (limited to 'src/audio.rs')
-rw-r--r--src/audio.rs15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/audio.rs b/src/audio.rs
index ac6bc12..e51504b 100644
--- a/src/audio.rs
+++ b/src/audio.rs
@@ -4,24 +4,35 @@ use std::fs::File;
use crate::constants;
-pub fn init() -> StreamingSource {
+pub fn init() -> (StreamingSource, Vec<i16>) {
let mut source = OggStreamReader::new(File::open("data/djbLUETOOTH.ogg").unwrap()).unwrap();
let alto = Alto::load_default().unwrap();
let device = alto.open(None).unwrap();
let audio_context = device.new_context(None).unwrap();
let mut stream = audio_context.new_streaming_source().unwrap();
let sample_rate = source.ident_hdr.audio_sample_rate as i32;
+ let sample_channels =
+ source.ident_hdr.audio_channels as f32 * source.ident_hdr.audio_sample_rate as f32;
+
+ let mut toms_samples = Vec::new();
+
+ let mut _track_length = 0.0;
while let Ok(Some(mut samples)) = source.read_dec_packet_itl() {
samples = samples
.into_iter()
.map(|s| (s as f32 * constants::VOLUME) as i16)
.collect();
+ _track_length += samples.len() as f32 / sample_channels;
let audio_buffer = audio_context
.new_buffer::<Stereo<i16>, _>(&samples, sample_rate)
.unwrap();
stream.queue_buffer(audio_buffer).unwrap();
+
+ if samples.len() > 1 {
+ toms_samples.push(samples[0])
+ }
}
- stream
+ (stream, toms_samples)
}