From affc691a147dd6a157bc180dc63561f3757cb319 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?K=C5=91v=C3=A1g=C3=B3=2C=20Zolt=C3=A1n?= Date: Thu, 19 Sep 2019 23:24:13 +0200 Subject: [PATCH] noaudio: port to the new audio backend api MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Kővágó, Zoltán Message-id: 10eebdd2e1529c2bd403ef98dd9d346c6d4ca3d1.1568927990.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann --- audio/noaudio.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) diff --git a/audio/noaudio.c b/audio/noaudio.c index 0fb2629cf2..b054fd225b 100644 --- a/audio/noaudio.c +++ b/audio/noaudio.c @@ -41,10 +41,9 @@ typedef struct NoVoiceIn { int64_t old_ticks; } NoVoiceIn; -static size_t no_run_out(HWVoiceOut *hw, size_t live) +static size_t no_write(HWVoiceOut *hw, void *buf, size_t len) { NoVoiceOut *no = (NoVoiceOut *) hw; - size_t decr, samples; int64_t now; int64_t ticks; int64_t bytes; @@ -52,13 +51,9 @@ static size_t no_run_out(HWVoiceOut *hw, size_t 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 = MIN(bytes, SIZE_MAX); - samples = bytes >> hw->info.shift; no->old_ticks = now; - decr = MIN (live, samples); - hw->rpos = (hw->rpos + decr) % hw->samples; - return decr; + return MIN(len, bytes); } static int no_init_out(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque) @@ -92,25 +87,21 @@ static void no_fini_in (HWVoiceIn *hw) (void) hw; } -static size_t no_run_in(HWVoiceIn *hw) +static size_t no_read(HWVoiceIn *hw, void *buf, size_t size) { + size_t to_clear; NoVoiceIn *no = (NoVoiceIn *) hw; - 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); - int64_t ticks = now - no->old_ticks; - int64_t bytes = - muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); + int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + int64_t ticks = now - no->old_ticks; + int64_t bytes = + muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); - no->old_ticks = now; - bytes = MIN (bytes, SIZE_MAX); - samples = bytes >> hw->info.shift; - samples = MIN (samples, dead); - } - return samples; + no->old_ticks = now; + to_clear = MIN(bytes, size); + + audio_pcm_info_clear_buf(&hw->info, buf, to_clear >> hw->info.shift); + return to_clear; } static int no_ctl_in (HWVoiceIn *hw, int cmd, ...) @@ -133,12 +124,12 @@ static void no_audio_fini (void *opaque) 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 };