int64_t old_ticks;
} NoVoiceIn;
-static int no_run_out (HWVoiceOut *hw)
+static int no_run_out (HWVoiceOut *hw, int live)
{
NoVoiceOut *no = (NoVoiceOut *) hw;
- int live, decr, samples;
+ int decr, samples;
int64_t now;
int64_t ticks;
int64_t bytes;
- live = audio_pcm_hw_get_live_out (&no->hw);
- if (!live) {
- return 0;
- }
-
- now = qemu_get_clock (vm_clock);
+ now = qemu_get_clock_ns (vm_clock);
ticks = now - no->old_ticks;
- bytes = (ticks * hw->info.bytes_per_second) / ticks_per_sec;
+ bytes = muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
bytes = audio_MIN (bytes, INT_MAX);
samples = bytes >> hw->info.shift;
int samples = 0;
if (dead) {
- int64_t now = qemu_get_clock (vm_clock);
+ int64_t now = qemu_get_clock_ns (vm_clock);
int64_t ticks = now - no->old_ticks;
- int64_t bytes = (ticks * hw->info.bytes_per_second) / ticks_per_sec;
+ int64_t bytes =
+ muldiv64 (ticks, hw->info.bytes_per_second, get_ticks_per_sec ());
no->old_ticks = now;
bytes = audio_MIN (bytes, INT_MAX);
static int no_read (SWVoiceIn *sw, void *buf, int size)
{
+ /* use custom code here instead of audio_pcm_sw_read() to avoid
+ * useless resampling/mixing */
int samples = size >> sw->info.shift;
int total = sw->hw->total_samples_captured - sw->total_hw_samples_acquired;
int to_clear = audio_MIN (samples, total);
+ sw->total_hw_samples_acquired += total;
audio_pcm_info_clear_buf (&sw->info, buf, to_clear);
- return to_clear;
+ return to_clear << sw->info.shift;
}
static int no_ctl_in (HWVoiceIn *hw, int cmd, ...)