diff options
Diffstat (limited to 'audio/noaudio.c')
| -rw-r--r-- | audio/noaudio.c | 39 |
1 files changed, 10 insertions, 29 deletions
diff --git a/audio/noaudio.c b/audio/noaudio.c index 9b195dc52c..0fb2629cf2 100644 --- a/audio/noaudio.c +++ b/audio/noaudio.c @@ -41,10 +41,10 @@ typedef struct NoVoiceIn { int64_t old_ticks; } NoVoiceIn; -static int no_run_out (HWVoiceOut *hw, int live) +static size_t no_run_out(HWVoiceOut *hw, size_t live) { NoVoiceOut *no = (NoVoiceOut *) hw; - int decr, samples; + size_t decr, samples; int64_t now; int64_t ticks; int64_t bytes; @@ -52,20 +52,15 @@ static int no_run_out (HWVoiceOut *hw, int live) now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); ticks = now - no->old_ticks; bytes = muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); - bytes = audio_MIN(bytes, INT_MAX); + bytes = MIN(bytes, SIZE_MAX); samples = bytes >> hw->info.shift; no->old_ticks = now; - decr = audio_MIN (live, samples); + decr = MIN (live, samples); hw->rpos = (hw->rpos + decr) % hw->samples; return decr; } -static int no_write (SWVoiceOut *sw, void *buf, int len) -{ - return audio_pcm_sw_write(sw, buf, len); -} - static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque) { audio_pcm_init_info (&hw->info, as); @@ -97,12 +92,12 @@ static void no_fini_in (HWVoiceIn *hw) (void) hw; } -static int no_run_in (HWVoiceIn *hw) +static size_t no_run_in(HWVoiceIn *hw) { NoVoiceIn *no = (NoVoiceIn *) hw; - int live = audio_pcm_hw_get_live_in (hw); - int dead = hw->samples - live; - int samples = 0; + size_t live = audio_pcm_hw_get_live_in(hw); + size_t dead = hw->samples - live; + size_t samples = 0; if (dead) { int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); @@ -111,25 +106,13 @@ static int no_run_in (HWVoiceIn *hw) muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); no->old_ticks = now; - bytes = audio_MIN (bytes, INT_MAX); + bytes = MIN (bytes, SIZE_MAX); samples = bytes >> hw->info.shift; - samples = audio_MIN (samples, dead); + samples = MIN (samples, dead); } return samples; } -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 << sw->info.shift; -} - static int no_ctl_in (HWVoiceIn *hw, int cmd, ...) { (void) hw; @@ -151,13 +134,11 @@ static struct audio_pcm_ops no_pcm_ops = { .init_out = no_init_out, .fini_out = no_fini_out, .run_out = no_run_out, - .write = no_write, .ctl_out = no_ctl_out, .init_in = no_init_in, .fini_in = no_fini_in, .run_in = no_run_in, - .read = no_read, .ctl_in = no_ctl_in }; |