From patchwork Wed Jan 5 00:05:47 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 77550 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [199.232.76.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3FA0AB711E for ; Wed, 5 Jan 2011 11:06:58 +1100 (EST) Received: from localhost ([127.0.0.1]:48197 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PaGty-0002Md-Rv for incoming@patchwork.ozlabs.org; Tue, 04 Jan 2011 19:06:54 -0500 Received: from [140.186.70.92] (port=45537 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PaGtS-0002MQ-QY for qemu-devel@nongnu.org; Tue, 04 Jan 2011 19:06:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PaGtQ-0003u0-Q6 for qemu-devel@nongnu.org; Tue, 04 Jan 2011 19:06:22 -0500 Received: from mail.serverraum.org ([78.47.150.89]:44463) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PaGtQ-0003t3-ED for qemu-devel@nongnu.org; Tue, 04 Jan 2011 19:06:20 -0500 Received: from localhost (localhost [127.0.0.1]) by mail.serverraum.org (Postfix) with ESMTP id 65ED63EF0F; Wed, 5 Jan 2011 01:06:17 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at mail.serverraum.org Received: from mail.serverraum.org ([127.0.0.1]) by localhost (web.serverraum.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Kpj3BDkKowkb; Wed, 5 Jan 2011 01:06:17 +0100 (CET) Received: from thanatos.fritz.box (77-22-60-162-dynip.superkabel.de [77.22.60.162]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.serverraum.org (Postfix) with ESMTPSA id DAF143EEF2; Wed, 5 Jan 2011 01:06:16 +0100 (CET) From: Michael Walle To: qemu-devel@nongnu.org Date: Wed, 5 Jan 2011 01:05:47 +0100 Message-Id: <1294185947-29250-1-git-send-email-michael@walle.cc> X-Mailer: git-send-email 1.7.2.3 In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) Cc: Michael Walle Subject: [Qemu-devel] [PATCH] audio: split sample conversion and volume mixing X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Refactor the volume mixing, so it can be reused for capturing devices. Additionally, it removes superfluous multiplications with the nominal volume within the hardware voice code path. Signed-off-by: Michael Walle --- audio/alsaaudio.c | 2 +- audio/audio.c | 11 ++++++----- audio/audio_int.h | 2 +- audio/dsoundaudio.c | 4 ++-- audio/esdaudio.c | 3 +-- audio/fmodaudio.c | 4 ++-- audio/mixeng.c | 25 +++++++++++++++++++++++++ audio/mixeng.h | 4 ++-- audio/mixeng_template.h | 39 +++++++-------------------------------- audio/ossaudio.c | 3 +-- audio/paaudio.c | 2 +- audio/spiceaudio.c | 5 ++--- audio/winwaveaudio.c | 3 +-- 13 files changed, 52 insertions(+), 55 deletions(-) diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index fef24f6..301a6af 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -1094,7 +1094,7 @@ static int alsa_run_in (HWVoiceIn *hw) } } - hw->conv (dst, src, nread, &nominal_volume); + hw->conv (dst, src, nread); src = advance (src, nread << hwshift); dst += nread; diff --git a/audio/audio.c b/audio/audio.c index 1707446..1729c0b 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -104,7 +104,7 @@ static struct { static AudioState glob_audio_state; -struct mixeng_volume nominal_volume = { +const struct mixeng_volume nominal_volume = { .mute = 0, #ifdef FLOAT_MIXENG .r = 1.0, @@ -702,13 +702,11 @@ void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) /* * Capture */ -static void noop_conv (struct st_sample *dst, const void *src, - int samples, struct mixeng_volume *vol) +static void noop_conv (struct st_sample *dst, const void *src, int samples) { (void) src; (void) dst; (void) samples; - (void) vol; } static CaptureVoiceOut *audio_pcm_capture_find_specific ( @@ -956,6 +954,8 @@ int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) total += isamp; } + mixeng_volume (sw->buf, ret, &sw->vol); + sw->clip (buf, sw->buf, ret); sw->total_hw_samples_acquired += total; return ret << sw->info.shift; @@ -1037,7 +1037,8 @@ int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) swlim = ((int64_t) dead << 32) / sw->ratio; swlim = audio_MIN (swlim, samples); if (swlim) { - sw->conv (sw->buf, buf, swlim, &sw->vol); + sw->conv (sw->buf, buf, swlim); + mixeng_volume (sw->buf, swlim, &sw->vol); } while (swlim) { diff --git a/audio/audio_int.h b/audio/audio_int.h index d66f2c3..2003f8b 100644 --- a/audio/audio_int.h +++ b/audio/audio_int.h @@ -211,7 +211,7 @@ extern struct audio_driver esd_audio_driver; extern struct audio_driver pa_audio_driver; extern struct audio_driver spice_audio_driver; extern struct audio_driver winwave_audio_driver; -extern struct mixeng_volume nominal_volume; +extern const struct mixeng_volume nominal_volume; void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *as); void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len); diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c index e547955..e2d89fd 100644 --- a/audio/dsoundaudio.c +++ b/audio/dsoundaudio.c @@ -831,11 +831,11 @@ static int dsound_run_in (HWVoiceIn *hw) decr = len1 + len2; if (p1 && len1) { - hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); + hw->conv (hw->conv_buf + hw->wpos, p1, len1); } if (p2 && len2) { - hw->conv (hw->conv_buf, p2, len2, &nominal_volume); + hw->conv (hw->conv_buf, p2, len2); } dsound_unlock_in (dscb, p1, p2, blen1, blen2); diff --git a/audio/esdaudio.c b/audio/esdaudio.c index 9a1f2f8..ff97b39 100644 --- a/audio/esdaudio.c +++ b/audio/esdaudio.c @@ -346,8 +346,7 @@ static void *qesd_thread_in (void *arg) break; } - hw->conv (hw->conv_buf + wpos, buf, nread >> hw->info.shift, - &nominal_volume); + hw->conv (hw->conv_buf + wpos, buf, nread >> hw->info.shift); wpos = (wpos + chunk) % hw->samples; to_grab -= chunk; } diff --git a/audio/fmodaudio.c b/audio/fmodaudio.c index 7f08e14..c34cf53 100644 --- a/audio/fmodaudio.c +++ b/audio/fmodaudio.c @@ -488,10 +488,10 @@ static int fmod_run_in (HWVoiceIn *hw) decr = len1 + len2; if (p1 && blen1) { - hw->conv (hw->conv_buf + hw->wpos, p1, len1, &nominal_volume); + hw->conv (hw->conv_buf + hw->wpos, p1, len1); } if (p2 && len2) { - hw->conv (hw->conv_buf, p2, len2, &nominal_volume); + hw->conv (hw->conv_buf, p2, len2); } fmod_unlock_sample (fmd->fmod_sample, p1, p2, blen1, blen2); diff --git a/audio/mixeng.c b/audio/mixeng.c index 9f1d93f..4a9e8eb 100644 --- a/audio/mixeng.c +++ b/audio/mixeng.c @@ -333,3 +333,28 @@ void mixeng_clear (struct st_sample *buf, int len) { memset (buf, 0, len * sizeof (struct st_sample)); } + +void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol) +{ +#ifdef CONFIG_MIXEMU + if (vol->mute) { + mixeng_clear (buf, len); + return; + } + + while (len--) { +#ifdef FLOAT_MIXENG + buf->l = buf->l * vol->l; + buf->r = buf->r * vol->r; +#else + buf->l = (buf->l * vol->l) >> 32; + buf->r = (buf->r * vol->r) >> 32; +#endif + buf += 1; + } +#else + (void) buf; + (void) len; + (void) vol; +#endif +} diff --git a/audio/mixeng.h b/audio/mixeng.h index 4af1dd9..9de443b 100644 --- a/audio/mixeng.h +++ b/audio/mixeng.h @@ -33,8 +33,7 @@ struct mixeng_volume { int mute; int64_t r; int64_t l; }; struct st_sample { int64_t l; int64_t r; }; #endif -typedef void (t_sample) (struct st_sample *dst, const void *src, - int samples, struct mixeng_volume *vol); +typedef void (t_sample) (struct st_sample *dst, const void *src, int samples); typedef void (f_sample) (void *dst, const struct st_sample *src, int samples); extern t_sample *mixeng_conv[2][2][2][3]; @@ -47,5 +46,6 @@ void st_rate_flow_mix (void *opaque, struct st_sample *ibuf, struct st_sample *o int *isamp, int *osamp); void st_rate_stop (void *opaque); void mixeng_clear (struct st_sample *buf, int len); +void mixeng_volume (struct st_sample *buf, int len, struct mixeng_volume *vol); #endif /* mixeng.h */ diff --git a/audio/mixeng_template.h b/audio/mixeng_template.h index 5617705..a2d0ef8 100644 --- a/audio/mixeng_template.h +++ b/audio/mixeng_template.h @@ -31,16 +31,6 @@ #define HALF (IN_MAX >> 1) #endif -#ifdef CONFIG_MIXEMU -#ifdef FLOAT_MIXENG -#define VOL(a, b) ((a) * (b)) -#else -#define VOL(a, b) ((a) * (b)) >> 32 -#endif -#else -#define VOL(a, b) a -#endif - #define ET glue (ENDIAN_CONVERSION, glue (_, IN_T)) #ifdef FLOAT_MIXENG @@ -109,40 +99,26 @@ static inline IN_T glue (clip_, ET) (int64_t v) #endif static void glue (glue (conv_, ET), _to_stereo) - (struct st_sample *dst, const void *src, int samples, struct mixeng_volume *vol) + (struct st_sample *dst, const void *src, int samples) { struct st_sample *out = dst; IN_T *in = (IN_T *) src; -#ifdef CONFIG_MIXEMU - if (vol->mute) { - mixeng_clear (dst, samples); - return; - } -#else - (void) vol; -#endif + while (samples--) { - out->l = VOL (glue (conv_, ET) (*in++), vol->l); - out->r = VOL (glue (conv_, ET) (*in++), vol->r); + out->l = glue (conv_, ET) (*in++); + out->r = glue (conv_, ET) (*in++); out += 1; } } static void glue (glue (conv_, ET), _to_mono) - (struct st_sample *dst, const void *src, int samples, struct mixeng_volume *vol) + (struct st_sample *dst, const void *src, int samples) { struct st_sample *out = dst; IN_T *in = (IN_T *) src; -#ifdef CONFIG_MIXEMU - if (vol->mute) { - mixeng_clear (dst, samples); - return; - } -#else - (void) vol; -#endif + while (samples--) { - out->l = VOL (glue (conv_, ET) (in[0]), vol->l); + out->l = glue (conv_, ET) (in[0]); out->r = out->l; out += 1; in += 1; @@ -174,4 +150,3 @@ static void glue (glue (clip_, ET), _from_mono) #undef ET #undef HALF -#undef VOL diff --git a/audio/ossaudio.c b/audio/ossaudio.c index 0439ef5..1fda519 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -784,8 +784,7 @@ static int oss_run_in (HWVoiceIn *hw) hw->info.align + 1); } read_samples += nread >> hwshift; - hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift, - &nominal_volume); + hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift); } if (bufs[i].len - nread) { diff --git a/audio/paaudio.c b/audio/paaudio.c index ff71dac..9cf685d 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -195,7 +195,7 @@ static void *qpa_thread_in (void *arg) return NULL; } - hw->conv (hw->conv_buf + wpos, buf, chunk, &nominal_volume); + hw->conv (hw->conv_buf + wpos, buf, chunk); wpos = (wpos + chunk) % hw->samples; to_grab -= chunk; } diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c index 373e4c4..a5c0d6b 100644 --- a/audio/spiceaudio.c +++ b/audio/spiceaudio.c @@ -268,11 +268,10 @@ static int line_in_run (HWVoiceIn *hw) len[1] = 0; } - hw->conv (hw->conv_buf + hw->wpos, samples, len[0], &nominal_volume); + hw->conv (hw->conv_buf + hw->wpos, samples, len[0]); if (len[1]) { - hw->conv (hw->conv_buf, samples + len[0], len[1], - &nominal_volume); + hw->conv (hw->conv_buf, samples + len[0], len[1]); } hw->wpos = (hw->wpos + num_samples) % hw->samples; diff --git a/audio/winwaveaudio.c b/audio/winwaveaudio.c index cdf483b..e5ad3c6 100644 --- a/audio/winwaveaudio.c +++ b/audio/winwaveaudio.c @@ -581,8 +581,7 @@ static int winwave_run_in (HWVoiceIn *hw) int conv = audio_MIN (left, decr); hw->conv (hw->conv_buf + hw->wpos, advance (wave->pcm_buf, wave->rpos << hw->info.shift), - conv, - &nominal_volume); + conv); wave->rpos = (wave->rpos + conv) % hw->samples; hw->wpos = (hw->wpos + conv) % hw->samples;