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X-Received-From: 2a00:1450:4864:20::434 Subject: [Qemu-devel] [PATCH v6 09/14] ossaudio: port to -audiodev config X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gerd Hoffmann Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Kővágó, Zoltán --- audio/audio_legacy.c | 32 +++++++++ audio/ossaudio.c | 161 ++++++++++++++----------------------------- 2 files changed, 83 insertions(+), 110 deletions(-) diff --git a/audio/audio_legacy.c b/audio/audio_legacy.c index bf326bd360..94f95bbc73 100644 --- a/audio/audio_legacy.c +++ b/audio/audio_legacy.c @@ -219,6 +219,34 @@ static void handle_dsound(Audiodev *dev) dev->u.dsound.in); } +/* OSS */ +static void handle_oss_per_direction( + AudiodevOssPerDirectionOptions *opdo, const char *try_poll_env, + const char *dev_env) +{ + get_bool(try_poll_env, &opdo->try_poll, &opdo->has_try_poll); + get_str(dev_env, &opdo->dev, &opdo->has_dev); + + get_bytes_to_usecs("QEMU_OSS_FRAGSIZE", + &opdo->buffer_length, &opdo->has_buffer_length, + qapi_AudiodevOssPerDirectionOptions_base(opdo)); + get_int("QEMU_OSS_NFRAGS", &opdo->buffer_count, + &opdo->has_buffer_count); +} + +static void handle_oss(Audiodev *dev) +{ + AudiodevOssOptions *oopt = &dev->u.oss; + handle_oss_per_direction(oopt->in, "QEMU_AUDIO_ADC_TRY_POLL", + "QEMU_OSS_ADC_DEV"); + handle_oss_per_direction(oopt->out, "QEMU_AUDIO_DAC_TRY_POLL", + "QEMU_OSS_DAC_DEV"); + + get_bool("QEMU_OSS_MMAP", &oopt->try_mmap, &oopt->has_try_mmap); + get_bool("QEMU_OSS_EXCLUSIVE", &oopt->exclusive, &oopt->has_exclusive); + get_int("QEMU_OSS_POLICY", &oopt->dsp_policy, &oopt->has_dsp_policy); +} + /* general */ static void handle_per_direction( AudiodevPerDirectionOptions *pdo, const char *prefix) @@ -272,6 +300,10 @@ static AudiodevListEntry *legacy_opt(const char *drvname) handle_dsound(e->dev); break; + case AUDIODEV_DRIVER_OSS: + handle_oss(e->dev); + break; + default: break; } diff --git a/audio/ossaudio.c b/audio/ossaudio.c index e0cadbef29..fc28981a39 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -37,16 +37,6 @@ #define USE_DSP_POLICY #endif -typedef struct OSSConf { - int try_mmap; - int nfrags; - int fragsize; - const char *devpath_out; - const char *devpath_in; - int exclusive; - int policy; -} OSSConf; - typedef struct OSSVoiceOut { HWVoiceOut hw; void *pcm_buf; @@ -56,7 +46,7 @@ typedef struct OSSVoiceOut { int fragsize; int mmapped; int pending; - OSSConf *conf; + Audiodev *dev; } OSSVoiceOut; typedef struct OSSVoiceIn { @@ -65,12 +55,12 @@ typedef struct OSSVoiceIn { int fd; int nfrags; int fragsize; - OSSConf *conf; + Audiodev *dev; } OSSVoiceIn; struct oss_params { int freq; - AudioFormat fmt; + int fmt; int nchannels; int nfrags; int fragsize; @@ -262,19 +252,25 @@ static int oss_get_version (int fd, int *version, const char *typ) } #endif -static int oss_open (int in, struct oss_params *req, - struct oss_params *obt, int *pfd, OSSConf* conf) +static int oss_open(int in, struct oss_params *req, audsettings *as, + struct oss_params *obt, int *pfd, Audiodev *dev) { + AudiodevOssOptions *oopts = &dev->u.oss; + AudiodevOssPerDirectionOptions *opdo = in ? oopts->in : oopts->out; int fd; - int oflags = conf->exclusive ? O_EXCL : 0; + int oflags = (oopts->has_exclusive && oopts->exclusive) ? O_EXCL : 0; audio_buf_info abinfo; int fmt, freq, nchannels; int setfragment = 1; - const char *dspname = in ? conf->devpath_in : conf->devpath_out; + const char *dspname = opdo->has_dev ? opdo->dev : "/dev/dsp"; const char *typ = in ? "ADC" : "DAC"; +#ifdef USE_DSP_POLICY + int policy = oopts->has_dsp_policy ? oopts->dsp_policy : 5; +#endif /* Kludge needed to have working mmap on Linux */ - oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY); + oflags |= (oopts->has_try_mmap && oopts->try_mmap) ? + O_RDWR : (in ? O_RDONLY : O_WRONLY); fd = open (dspname, oflags | O_NONBLOCK); if (-1 == fd) { @@ -285,6 +281,9 @@ static int oss_open (int in, struct oss_params *req, freq = req->freq; nchannels = req->nchannels; fmt = req->fmt; + req->nfrags = opdo->has_buffer_count ? opdo->buffer_count : 4; + req->fragsize = audio_buffer_bytes( + qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220); if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) { oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt); @@ -308,18 +307,18 @@ static int oss_open (int in, struct oss_params *req, } #ifdef USE_DSP_POLICY - if (conf->policy >= 0) { + if (policy >= 0) { int version; if (!oss_get_version (fd, &version, typ)) { trace_oss_version(version); if (version >= 0x040000) { - int policy = conf->policy; - if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) { + int policy2 = policy; + if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) { oss_logerr2 (errno, typ, "Failed to set timing policy to %d\n", - conf->policy); + policy); goto err; } setfragment = 0; @@ -502,17 +501,16 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, int fd; AudioFormat effective_fmt; struct audsettings obt_as; - OSSConf *conf = drv_opaque; + Audiodev *dev = drv_opaque; + AudiodevOssOptions *oopts = &dev->u.oss; oss->fd = -1; req.fmt = aud_to_ossfmt (as->fmt, as->endianness); req.freq = as->freq; req.nchannels = as->nchannels; - req.fragsize = conf->fragsize; - req.nfrags = conf->nfrags; - if (oss_open (0, &req, &obt, &fd, conf)) { + if (oss_open(0, &req, as, &obt, &fd, dev)) { return -1; } @@ -539,7 +537,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift; oss->mmapped = 0; - if (conf->try_mmap) { + if (oopts->has_try_mmap && oopts->try_mmap) { oss->pcm_buf = mmap ( NULL, hw->samples << hw->info.shift, @@ -597,7 +595,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, } oss->fd = fd; - oss->conf = conf; + oss->dev = dev; return 0; } @@ -605,16 +603,12 @@ static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...) { int trig; OSSVoiceOut *oss = (OSSVoiceOut *) hw; + AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; switch (cmd) { case VOICE_ENABLE: { - va_list ap; - int poll_mode; - - va_start (ap, cmd); - poll_mode = va_arg (ap, int); - va_end (ap); + bool poll_mode = opdo->try_poll; ldebug ("enabling voice\n"); if (poll_mode) { @@ -669,16 +663,14 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) int fd; AudioFormat effective_fmt; struct audsettings obt_as; - OSSConf *conf = drv_opaque; + Audiodev *dev = drv_opaque; oss->fd = -1; req.fmt = aud_to_ossfmt (as->fmt, as->endianness); req.freq = as->freq; req.nchannels = as->nchannels; - req.fragsize = conf->fragsize; - req.nfrags = conf->nfrags; - if (oss_open (1, &req, &obt, &fd, conf)) { + if (oss_open(1, &req, as, &obt, &fd, dev)) { return -1; } @@ -712,7 +704,7 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) } oss->fd = fd; - oss->conf = conf; + oss->dev = dev; return 0; } @@ -803,16 +795,12 @@ static int oss_read (SWVoiceIn *sw, void *buf, int size) static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...) { OSSVoiceIn *oss = (OSSVoiceIn *) hw; + AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; switch (cmd) { case VOICE_ENABLE: { - va_list ap; - int poll_mode; - - va_start (ap, cmd); - poll_mode = va_arg (ap, int); - va_end (ap); + bool poll_mode = opdo->try_poll; if (poll_mode) { oss_poll_in (hw); @@ -832,82 +820,36 @@ static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...) return 0; } -static OSSConf glob_conf = { - .try_mmap = 0, - .nfrags = 4, - .fragsize = 4096, - .devpath_out = "/dev/dsp", - .devpath_in = "/dev/dsp", - .exclusive = 0, - .policy = 5 -}; +static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo) +{ + if (!opdo->has_try_poll) { + opdo->try_poll = true; + opdo->has_try_poll = true; + } +} static void *oss_audio_init(Audiodev *dev) { - OSSConf *conf = g_malloc(sizeof(OSSConf)); - *conf = glob_conf; + AudiodevOssOptions *oopts; + assert(dev->driver == AUDIODEV_DRIVER_OSS); - if (access(conf->devpath_in, R_OK | W_OK) < 0 || - access(conf->devpath_out, R_OK | W_OK) < 0) { - g_free(conf); + oopts = &dev->u.oss; + oss_init_per_direction(oopts->in); + oss_init_per_direction(oopts->out); + + if (access(oopts->in->has_dev ? oopts->in->dev : "/dev/dsp", + R_OK | W_OK) < 0 || + access(oopts->out->has_dev ? oopts->out->dev : "/dev/dsp", + R_OK | W_OK) < 0) { return NULL; } - return conf; + return dev; } static void oss_audio_fini (void *opaque) { - g_free(opaque); } -static struct audio_option oss_options[] = { - { - .name = "FRAGSIZE", - .tag = AUD_OPT_INT, - .valp = &glob_conf.fragsize, - .descr = "Fragment size in bytes" - }, - { - .name = "NFRAGS", - .tag = AUD_OPT_INT, - .valp = &glob_conf.nfrags, - .descr = "Number of fragments" - }, - { - .name = "MMAP", - .tag = AUD_OPT_BOOL, - .valp = &glob_conf.try_mmap, - .descr = "Try using memory mapped access" - }, - { - .name = "DAC_DEV", - .tag = AUD_OPT_STR, - .valp = &glob_conf.devpath_out, - .descr = "Path to DAC device" - }, - { - .name = "ADC_DEV", - .tag = AUD_OPT_STR, - .valp = &glob_conf.devpath_in, - .descr = "Path to ADC device" - }, - { - .name = "EXCLUSIVE", - .tag = AUD_OPT_BOOL, - .valp = &glob_conf.exclusive, - .descr = "Open device in exclusive mode (vmix won't work)" - }, -#ifdef USE_DSP_POLICY - { - .name = "POLICY", - .tag = AUD_OPT_INT, - .valp = &glob_conf.policy, - .descr = "Set the timing policy of the device, -1 to use fragment mode", - }, -#endif - { /* End of list */ } -}; - static struct audio_pcm_ops oss_pcm_ops = { .init_out = oss_init_out, .fini_out = oss_fini_out, @@ -925,7 +867,6 @@ static struct audio_pcm_ops oss_pcm_ops = { static struct audio_driver oss_audio_driver = { .name = "oss", .descr = "OSS http://www.opensound.com", - .options = oss_options, .init = oss_audio_init, .fini = oss_audio_fini, .pcm_ops = &oss_pcm_ops,