From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:52482) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gbAk7-00087R-T3 for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:53:00 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gbAk5-00031m-Tl for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:52:58 -0500 Received: from mail-wm1-x341.google.com ([2a00:1450:4864:20::341]:39694) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gbAk5-0002xp-N4 for qemu-devel@nongnu.org; Sun, 23 Dec 2018 15:52:57 -0500 Received: by mail-wm1-x341.google.com with SMTP id f81so10393873wmd.4 for ; Sun, 23 Dec 2018 12:52:57 -0800 (PST) From: "=?UTF-8?q?K=C5=91v=C3=A1g=C3=B3=2C=20Zolt=C3=A1n?=" Date: Sun, 23 Dec 2018 21:52:08 +0100 Message-Id: <3cdadfc819548ae32d9c90877de7382c391d0371.1545598229.git.DirtY.iCE.hu@gmail.com> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v2 32/52] noaudio: port to the new audio backend api List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Gerd Hoffmann Signed-off-by: Kővágó, Zoltán --- audio/noaudio.c | 39 +++++++++++++++------------------------ 1 file changed, 15 insertions(+), 24 deletions(-) diff --git a/audio/noaudio.c b/audio/noaudio.c index c49f2df4b3..6a3a1c418b 100644 --- a/audio/noaudio.c +++ b/audio/noaudio.c @@ -40,10 +40,9 @@ typedef struct NoVoiceIn { int64_t old_ticks; } NoVoiceIn; -static int no_run_out (HWVoiceOut *hw, int live) +static size_t no_write(HWVoiceOut *hw, void *buf, size_t len) { NoVoiceOut *no = (NoVoiceOut *) hw; - int decr, samples; int64_t now; int64_t ticks; int64_t bytes; @@ -51,13 +50,9 @@ 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 = MIN(bytes, INT_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) @@ -91,25 +86,21 @@ static void no_fini_in (HWVoiceIn *hw) (void) hw; } -static int 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; - int live = audio_pcm_hw_get_live_in (hw); - int dead = hw->samples - live; - int 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, INT_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, ...) @@ -132,12 +123,12 @@ 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 }; -- 2.20.1