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Extract even more from the loop body

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This commit is contained in:
Gwilym Inzani 2023-06-27 21:50:46 +01:00
parent 57f0a8c889
commit 38868cb269
1 changed files with 23 additions and 17 deletions
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40
agb/src/sound/mixer/sw_mixer.rs
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@ -422,25 +422,31 @@ impl MixerBuffer {
) {
working_buffer.fill(0.into());
for channel in channels.filter(|channel| !channel.is_done) {
let playback_speed = if channel.is_stereo {
2.into()
} else {
channel.playback_speed
};
for (channel, playback_speed) in
channels
.filter(|channel| !channel.is_done)
.filter_map(|channel| {
let playback_speed = if channel.is_stereo {
2.into()
} else {
channel.playback_speed
};
if (channel.pos + playback_speed * self.frequency.buffer_size() as u32).floor()
>= channel.data.len() as u32
{
// TODO: This should probably play what's left rather than skip the last bit
if channel.should_loop {
channel.pos = 0.into();
} else {
channel.is_done = true;
continue;
}
}
if (channel.pos + playback_speed * self.frequency.buffer_size() as u32).floor()
>= channel.data.len() as u32
{
// TODO: This should probably play what's left rather than skip the last bit
if channel.should_loop {
channel.pos = 0.into();
} else {
channel.is_done = true;
return None;
}
}
Some((channel, playback_speed))
})
{
if channel.volume != 0.into() {
if channel.is_stereo {
unsafe {