From patchwork Fri Jan 15 13:21:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12022755 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0DE8FC433DB for ; Fri, 15 Jan 2021 13:35:41 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A4EA12339D for ; Fri, 15 Jan 2021 13:35:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A4EA12339D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:44998 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l0PGN-0002vj-Lw for qemu-devel@archiver.kernel.org; Fri, 15 Jan 2021 08:35:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l0P3M-00074z-W5 for qemu-devel@nongnu.org; Fri, 15 Jan 2021 08:22:13 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:40417) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l0P3A-0003Ir-8V for qemu-devel@nongnu.org; Fri, 15 Jan 2021 08:22:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610716916; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Fsy0pg4y6bLGVzgqVrfaDRt23dgks7Zl0JvVvVOxET8=; b=TLOSRJxnhVfUMJJP9zQY6z1Z4sK/x4c+/GnNJ3T70EhhJPwa2p1ayaXo5P4Cut+Wucl4QJ bWXj8BQLmF6IjjoHTjas+i6cxshMIGBJlAtMAodwDXkHMU7Q+aXQsj9XyAVBb8f0rUuPL/ 8uLpZvta7bK3hiIjrrR/19hH3Afml5g= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-177-Wd-DqByZPWGCVlT7B5s9Dg-1; Fri, 15 Jan 2021 08:21:54 -0500 X-MC-Unique: Wd-DqByZPWGCVlT7B5s9Dg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0910B180A0A2; Fri, 15 Jan 2021 13:21:53 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-112-182.ams2.redhat.com [10.36.112.182]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9128A5D761; Fri, 15 Jan 2021 13:21:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 8C1B4180063F; Fri, 15 Jan 2021 14:21:46 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 09/30] sdlaudio: add recording functions Date: Fri, 15 Jan 2021 14:21:25 +0100 Message-Id: <20210115132146.1443592-10-kraxel@redhat.com> In-Reply-To: <20210115132146.1443592-1-kraxel@redhat.com> References: <20210115132146.1443592-1-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.25, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Volker_R=C3=BCmelin?= , Gerd Hoffmann , Markus Armbruster Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Volker Rümelin Add audio recording functions. SDL 2.0.5 or later is required to use the recording functions. Playback continues to work with earlier SDL 2.0 versions. Signed-off-by: Volker Rümelin Message-id: 9315afe5-5958-c0b4-ea1e-14769511a9d5@t-online.de Message-Id: <20210110100239.27588-9-vr_qemu@t-online.de> Signed-off-by: Gerd Hoffmann --- audio/sdlaudio.c | 142 ++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 139 insertions(+), 3 deletions(-) diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c index 47968c502027..445cae8de578 100644 --- a/audio/sdlaudio.c +++ b/audio/sdlaudio.c @@ -47,6 +47,14 @@ typedef struct SDLVoiceOut { SDL_AudioDeviceID devid; } SDLVoiceOut; +typedef struct SDLVoiceIn { + HWVoiceIn hw; + int exit; + int initialized; + Audiodev *dev; + SDL_AudioDeviceID devid; +} SDLVoiceIn; + static void GCC_FMT_ATTR (1, 2) sdl_logerr (const char *fmt, ...) { va_list ap; @@ -240,6 +248,45 @@ static void sdl_callback_out(void *opaque, Uint8 *buf, int len) } } +static void sdl_close_in(SDLVoiceIn *sdl) +{ + if (sdl->initialized) { + SDL_LockAudioDevice(sdl->devid); + sdl->exit = 1; + SDL_UnlockAudioDevice(sdl->devid); + SDL_PauseAudioDevice(sdl->devid, 1); + sdl->initialized = 0; + } + if (sdl->devid) { + SDL_CloseAudioDevice(sdl->devid); + sdl->devid = 0; + } +} + +static void sdl_callback_in(void *opaque, Uint8 *buf, int len) +{ + SDLVoiceIn *sdl = opaque; + HWVoiceIn *hw = &sdl->hw; + + if (sdl->exit) { + return; + } + + /* dolog("callback_in: len=%d pending=%zu\n", len, hw->pending_emul); */ + + while (hw->pending_emul < hw->size_emul && len) { + size_t read_len = MIN(len, MIN(hw->size_emul - hw->pos_emul, + hw->size_emul - hw->pending_emul)); + + memcpy(hw->buf_emul + hw->pos_emul, buf, read_len); + + hw->pending_emul += read_len; + hw->pos_emul = (hw->pos_emul + read_len) % hw->size_emul; + len -= read_len; + buf += read_len; + } +} + #define SDL_WRAPPER_FUNC(name, ret_type, args_decl, args, dir) \ static ret_type glue(sdl_, name)args_decl \ { \ @@ -253,13 +300,30 @@ static void sdl_callback_out(void *opaque, Uint8 *buf, int len) return ret; \ } +#define SDL_WRAPPER_VOID_FUNC(name, args_decl, args, dir) \ + static void glue(sdl_, name)args_decl \ + { \ + glue(SDLVoice, dir) *sdl = (glue(SDLVoice, dir) *)hw; \ + \ + SDL_LockAudioDevice(sdl->devid); \ + glue(audio_generic_, name)args; \ + SDL_UnlockAudioDevice(sdl->devid); \ + } + SDL_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size), (hw, size), Out) SDL_WRAPPER_FUNC(put_buffer_out, size_t, (HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size), Out) SDL_WRAPPER_FUNC(write, size_t, (HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size), Out) +SDL_WRAPPER_FUNC(read, size_t, (HWVoiceIn *hw, void *buf, size_t size), + (hw, buf, size), In) +SDL_WRAPPER_FUNC(get_buffer_in, void *, (HWVoiceIn *hw, size_t *size), + (hw, size), In) +SDL_WRAPPER_VOID_FUNC(put_buffer_in, (HWVoiceIn *hw, void *buf, size_t size), + (hw, buf, size), In) #undef SDL_WRAPPER_FUNC +#undef SDL_WRAPPER_VOID_FUNC static void sdl_fini_out(HWVoiceOut *hw) { @@ -325,6 +389,69 @@ static void sdl_enable_out(HWVoiceOut *hw, bool enable) SDL_PauseAudioDevice(sdl->devid, !enable); } +static void sdl_fini_in(HWVoiceIn *hw) +{ + SDLVoiceIn *sdl = (SDLVoiceIn *)hw; + + sdl_close_in(sdl); +} + +static int sdl_init_in(HWVoiceIn *hw, audsettings *as, void *drv_opaque) +{ + SDLVoiceIn *sdl = (SDLVoiceIn *)hw; + SDL_AudioSpec req, obt; + int endianness; + int err; + AudioFormat effective_fmt; + Audiodev *dev = drv_opaque; + AudiodevSdlPerDirectionOptions *spdo = dev->u.sdl.in; + struct audsettings obt_as; + + req.freq = as->freq; + req.format = aud_to_sdlfmt(as->fmt); + req.channels = as->nchannels; + /* SDL samples are QEMU frames */ + req.samples = audio_buffer_frames( + qapi_AudiodevSdlPerDirectionOptions_base(spdo), as, 11610); + req.callback = sdl_callback_in; + req.userdata = sdl; + + sdl->dev = dev; + sdl->devid = sdl_open(&req, &obt, 1); + if (!sdl->devid) { + return -1; + } + + err = sdl_to_audfmt(obt.format, &effective_fmt, &endianness); + if (err) { + sdl_close_in(sdl); + return -1; + } + + obt_as.freq = obt.freq; + obt_as.nchannels = obt.channels; + obt_as.fmt = effective_fmt; + obt_as.endianness = endianness; + + audio_pcm_init_info(&hw->info, &obt_as); + hw->samples = (spdo->has_buffer_count ? spdo->buffer_count : 4) * + obt.samples; + hw->size_emul = hw->samples * hw->info.bytes_per_frame; + hw->buf_emul = g_malloc(hw->size_emul); + hw->pos_emul = hw->pending_emul = 0; + + sdl->initialized = 1; + sdl->exit = 0; + return 0; +} + +static void sdl_enable_in(HWVoiceIn *hw, bool enable) +{ + SDLVoiceIn *sdl = (SDLVoiceIn *)hw; + + SDL_PauseAudioDevice(sdl->devid, !enable); +} + static void *sdl_audio_init(Audiodev *dev) { if (SDL_InitSubSystem (SDL_INIT_AUDIO)) { @@ -350,6 +477,15 @@ static struct audio_pcm_ops sdl_pcm_ops = { /* wrapper for audio_generic_put_buffer_out */ .put_buffer_out = sdl_put_buffer_out, .enable_out = sdl_enable_out, + .init_in = sdl_init_in, + .fini_in = sdl_fini_in, + /* wrapper for audio_generic_read */ + .read = sdl_read, + /* wrapper for audio_generic_get_buffer_in */ + .get_buffer_in = sdl_get_buffer_in, + /* wrapper for audio_generic_put_buffer_in */ + .put_buffer_in = sdl_put_buffer_in, + .enable_in = sdl_enable_in, }; static struct audio_driver sdl_audio_driver = { @@ -360,9 +496,9 @@ static struct audio_driver sdl_audio_driver = { .pcm_ops = &sdl_pcm_ops, .can_be_default = 1, .max_voices_out = 1, - .max_voices_in = 0, - .voice_size_out = sizeof (SDLVoiceOut), - .voice_size_in = 0 + .max_voices_in = 1, + .voice_size_out = sizeof(SDLVoiceOut), + .voice_size_in = sizeof(SDLVoiceIn), }; static void register_audio_sdl(void)