From patchwork Fri Jan 15 13:21:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 12022779 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,URIBL_BLOCKED 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 D0AEBC433DB for ; Fri, 15 Jan 2021 13:44:40 +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 70F5E2336F for ; Fri, 15 Jan 2021 13:44:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 70F5E2336F 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]:41818 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l0PP5-0004yd-Fi for qemu-devel@archiver.kernel.org; Fri, 15 Jan 2021 08:44:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:40476) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l0P3O-00079c-VG for qemu-devel@nongnu.org; Fri, 15 Jan 2021 08:22:21 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:36656) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l0P3B-0003K9-4g for qemu-devel@nongnu.org; Fri, 15 Jan 2021 08:22:14 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610716920; 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=ZTJk/IO1CG0AfYOte8jvRBNHTN1JrAxcVRl8PeAOiJc=; b=Rd3jaYYUL/wBizEvS6REaLun296+m6bUEe8MLeZXG6WZwk1cWmcCB/z4abNXq79RrGACxD 5z3B1Ak/xCWBQ2OdkoFBpIDKv2RwZ57xqCXwgozT0i+kquVwBeWTGx6vDTkyFuhy55fLxM OJfTClScJGpsS6qDmjrF1Q7MUUu7rGA= 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-327-Ns1dOkC3P824tV3QUfupLg-1; Fri, 15 Jan 2021 08:21:56 -0500 X-MC-Unique: Ns1dOkC3P824tV3QUfupLg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AE9418030A5; Fri, 15 Jan 2021 13:21:55 +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 833E15D9E3; Fri, 15 Jan 2021 13:21:52 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 6BD2F180063D; Fri, 15 Jan 2021 14:21:46 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Subject: [PULL 07/30] sdlaudio: replace legacy functions with modern ones Date: Fri, 15 Jan 2021 14:21:23 +0100 Message-Id: <20210115132146.1443592-8-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 10.5.11.14 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: Thomas Huth , =?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 With the modern audio functions it's possible to add new features like audio recording. As a side effect this patch fixes a bug where SDL2 can't be used on Windows. This bug was reported on the qemu-devel mailing list at https://lists.nongnu.org/archive/html/qemu-devel/2020-01/msg04043.html Signed-off-by: Volker Rümelin Reviewed-by: Thomas Huth Message-id: 9315afe5-5958-c0b4-ea1e-14769511a9d5@t-online.de Message-Id: <20210110100239.27588-7-vr_qemu@t-online.de> Signed-off-by: Gerd Hoffmann --- audio/sdlaudio.c | 107 ++++++++++++++++++++++------------------------- 1 file changed, 50 insertions(+), 57 deletions(-) diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c index 01ae4c600e80..47968c502027 100644 --- a/audio/sdlaudio.c +++ b/audio/sdlaudio.c @@ -41,15 +41,11 @@ typedef struct SDLVoiceOut { HWVoiceOut hw; -} SDLVoiceOut; - -static struct SDLAudioState { int exit; int initialized; - bool driver_created; Audiodev *dev; -} glob_sdl; -typedef struct SDLAudioState SDLAudioState; + SDL_AudioDeviceID devid; +} SDLVoiceOut; static void GCC_FMT_ATTR (1, 2) sdl_logerr (const char *fmt, ...) { @@ -155,9 +151,10 @@ static int sdl_to_audfmt(int sdlfmt, AudioFormat *fmt, int *endianness) return 0; } -static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt) +static SDL_AudioDeviceID sdl_open(SDL_AudioSpec *req, SDL_AudioSpec *obt, + int rec) { - int status; + SDL_AudioDeviceID devid; #ifndef _WIN32 int err; sigset_t new, old; @@ -166,18 +163,19 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt) err = sigfillset (&new); if (err) { dolog ("sdl_open: sigfillset failed: %s\n", strerror (errno)); - return -1; + return 0; } err = pthread_sigmask (SIG_BLOCK, &new, &old); if (err) { dolog ("sdl_open: pthread_sigmask failed: %s\n", strerror (err)); - return -1; + return 0; } #endif - status = SDL_OpenAudio (req, obt); - if (status) { - sdl_logerr ("SDL_OpenAudio failed\n"); + devid = SDL_OpenAudioDevice(NULL, rec, req, obt, 0); + if (!devid) { + sdl_logerr("SDL_OpenAudioDevice for %s failed\n", + rec ? "recording" : "playback"); } #ifndef _WIN32 @@ -190,30 +188,32 @@ static int sdl_open (SDL_AudioSpec *req, SDL_AudioSpec *obt) exit (EXIT_FAILURE); } #endif - return status; + return devid; } -static void sdl_close (SDLAudioState *s) +static void sdl_close_out(SDLVoiceOut *sdl) { - if (s->initialized) { - SDL_LockAudio(); - s->exit = 1; - SDL_UnlockAudio(); - SDL_PauseAudio (1); - SDL_CloseAudio (); - s->initialized = 0; + 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 (void *opaque, Uint8 *buf, int len) +static void sdl_callback_out(void *opaque, Uint8 *buf, int len) { SDLVoiceOut *sdl = opaque; - SDLAudioState *s = &glob_sdl; HWVoiceOut *hw = &sdl->hw; - if (!s->exit) { + if (!sdl->exit) { - /* dolog("callback: len=%d avail=%zu\n", len, hw->pending_emul); */ + /* dolog("callback_out: len=%d avail=%zu\n", len, hw->pending_emul); */ while (hw->pending_emul && len) { size_t write_len; @@ -240,43 +240,44 @@ static void sdl_callback (void *opaque, Uint8 *buf, int len) } } -#define SDL_WRAPPER_FUNC(name, ret_type, args_decl, args) \ +#define SDL_WRAPPER_FUNC(name, ret_type, args_decl, args, dir) \ static ret_type glue(sdl_, name)args_decl \ { \ ret_type ret; \ + glue(SDLVoice, dir) *sdl = (glue(SDLVoice, dir) *)hw; \ \ - SDL_LockAudio(); \ + SDL_LockAudioDevice(sdl->devid); \ ret = glue(audio_generic_, name)args; \ - SDL_UnlockAudio(); \ + SDL_UnlockAudioDevice(sdl->devid); \ \ return ret; \ } SDL_WRAPPER_FUNC(get_buffer_out, void *, (HWVoiceOut *hw, size_t *size), - (hw, size)) + (hw, size), Out) SDL_WRAPPER_FUNC(put_buffer_out, size_t, - (HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size)) + (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)) + (HWVoiceOut *hw, void *buf, size_t size), (hw, buf, size), Out) #undef SDL_WRAPPER_FUNC -static void sdl_fini_out (HWVoiceOut *hw) +static void sdl_fini_out(HWVoiceOut *hw) { - (void) hw; + SDLVoiceOut *sdl = (SDLVoiceOut *)hw; - sdl_close (&glob_sdl); + sdl_close_out(sdl); } static int sdl_init_out(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque) { - SDLVoiceOut *sdl = (SDLVoiceOut *) hw; - SDLAudioState *s = &glob_sdl; + SDLVoiceOut *sdl = (SDLVoiceOut *)hw; SDL_AudioSpec req, obt; int endianness; int err; AudioFormat effective_fmt; - AudiodevSdlPerDirectionOptions *spdo = s->dev->u.sdl.out; + Audiodev *dev = drv_opaque; + AudiodevSdlPerDirectionOptions *spdo = dev->u.sdl.out; struct audsettings obt_as; req.freq = as->freq; @@ -288,16 +289,18 @@ static int sdl_init_out(HWVoiceOut *hw, struct audsettings *as, */ req.samples = audio_buffer_samples( qapi_AudiodevSdlPerDirectionOptions_base(spdo), as, 11610); - req.callback = sdl_callback; + req.callback = sdl_callback_out; req.userdata = sdl; - if (sdl_open (&req, &obt)) { + sdl->dev = dev; + sdl->devid = sdl_open(&req, &obt, 0); + if (!sdl->devid) { return -1; } err = sdl_to_audfmt(obt.format, &effective_fmt, &endianness); if (err) { - sdl_close (s); + sdl_close_out(sdl); return -1; } @@ -310,41 +313,31 @@ static int sdl_init_out(HWVoiceOut *hw, struct audsettings *as, hw->samples = (spdo->has_buffer_count ? spdo->buffer_count : 4) * obt.samples; - s->initialized = 1; - s->exit = 0; + sdl->initialized = 1; + sdl->exit = 0; return 0; } static void sdl_enable_out(HWVoiceOut *hw, bool enable) { - SDL_PauseAudio(!enable); + SDLVoiceOut *sdl = (SDLVoiceOut *)hw; + + SDL_PauseAudioDevice(sdl->devid, !enable); } static void *sdl_audio_init(Audiodev *dev) { - SDLAudioState *s = &glob_sdl; - if (s->driver_created) { - sdl_logerr("Can't create multiple sdl backends\n"); - return NULL; - } - if (SDL_InitSubSystem (SDL_INIT_AUDIO)) { sdl_logerr ("SDL failed to initialize audio subsystem\n"); return NULL; } - s->driver_created = true; - s->dev = dev; - return s; + return dev; } static void sdl_audio_fini (void *opaque) { - SDLAudioState *s = opaque; - sdl_close (s); SDL_QuitSubSystem (SDL_INIT_AUDIO); - s->driver_created = false; - s->dev = NULL; } static struct audio_pcm_ops sdl_pcm_ops = {