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ossaudio: port to -audiodev config
Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com> Message-id: 31c899f2f78e40fbc01f563ee4829c98debb68db.1552083282.git.DirtY.iCE.hu@gmail.com Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Kővágó, Zoltán
Gerd Hoffmann
parent
b1e4e97e5c
commit
baf6c7f4b4
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@ -219,6 +219,34 @@ static void handle_dsound(Audiodev *dev)
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dev->u.dsound.in);
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}
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/* OSS */
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static void handle_oss_per_direction(
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AudiodevOssPerDirectionOptions *opdo, const char *try_poll_env,
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const char *dev_env)
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{
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get_bool(try_poll_env, &opdo->try_poll, &opdo->has_try_poll);
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get_str(dev_env, &opdo->dev, &opdo->has_dev);
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get_bytes_to_usecs("QEMU_OSS_FRAGSIZE",
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&opdo->buffer_length, &opdo->has_buffer_length,
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qapi_AudiodevOssPerDirectionOptions_base(opdo));
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get_int("QEMU_OSS_NFRAGS", &opdo->buffer_count,
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&opdo->has_buffer_count);
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}
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static void handle_oss(Audiodev *dev)
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{
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AudiodevOssOptions *oopt = &dev->u.oss;
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handle_oss_per_direction(oopt->in, "QEMU_AUDIO_ADC_TRY_POLL",
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"QEMU_OSS_ADC_DEV");
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handle_oss_per_direction(oopt->out, "QEMU_AUDIO_DAC_TRY_POLL",
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"QEMU_OSS_DAC_DEV");
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get_bool("QEMU_OSS_MMAP", &oopt->try_mmap, &oopt->has_try_mmap);
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get_bool("QEMU_OSS_EXCLUSIVE", &oopt->exclusive, &oopt->has_exclusive);
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get_int("QEMU_OSS_POLICY", &oopt->dsp_policy, &oopt->has_dsp_policy);
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}
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/* general */
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static void handle_per_direction(
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AudiodevPerDirectionOptions *pdo, const char *prefix)
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@ -272,6 +300,10 @@ static AudiodevListEntry *legacy_opt(const char *drvname)
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handle_dsound(e->dev);
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break;
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case AUDIODEV_DRIVER_OSS:
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handle_oss(e->dev);
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break;
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default:
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break;
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}
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161
audio/ossaudio.c
161
audio/ossaudio.c
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@ -37,16 +37,6 @@
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#define USE_DSP_POLICY
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#endif
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typedef struct OSSConf {
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int try_mmap;
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int nfrags;
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int fragsize;
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const char *devpath_out;
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const char *devpath_in;
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int exclusive;
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int policy;
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} OSSConf;
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typedef struct OSSVoiceOut {
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HWVoiceOut hw;
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void *pcm_buf;
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@ -56,7 +46,7 @@ typedef struct OSSVoiceOut {
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int fragsize;
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int mmapped;
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int pending;
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OSSConf *conf;
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Audiodev *dev;
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} OSSVoiceOut;
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typedef struct OSSVoiceIn {
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@ -65,12 +55,12 @@ typedef struct OSSVoiceIn {
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int fd;
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int nfrags;
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int fragsize;
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OSSConf *conf;
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Audiodev *dev;
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} OSSVoiceIn;
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struct oss_params {
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int freq;
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AudioFormat fmt;
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int fmt;
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int nchannels;
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int nfrags;
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int fragsize;
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@ -262,19 +252,25 @@ static int oss_get_version (int fd, int *version, const char *typ)
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}
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#endif
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static int oss_open (int in, struct oss_params *req,
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struct oss_params *obt, int *pfd, OSSConf* conf)
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static int oss_open(int in, struct oss_params *req, audsettings *as,
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struct oss_params *obt, int *pfd, Audiodev *dev)
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{
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AudiodevOssOptions *oopts = &dev->u.oss;
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AudiodevOssPerDirectionOptions *opdo = in ? oopts->in : oopts->out;
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int fd;
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int oflags = conf->exclusive ? O_EXCL : 0;
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int oflags = (oopts->has_exclusive && oopts->exclusive) ? O_EXCL : 0;
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audio_buf_info abinfo;
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int fmt, freq, nchannels;
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int setfragment = 1;
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const char *dspname = in ? conf->devpath_in : conf->devpath_out;
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const char *dspname = opdo->has_dev ? opdo->dev : "/dev/dsp";
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const char *typ = in ? "ADC" : "DAC";
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#ifdef USE_DSP_POLICY
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int policy = oopts->has_dsp_policy ? oopts->dsp_policy : 5;
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#endif
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/* Kludge needed to have working mmap on Linux */
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oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
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oflags |= (oopts->has_try_mmap && oopts->try_mmap) ?
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O_RDWR : (in ? O_RDONLY : O_WRONLY);
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fd = open (dspname, oflags | O_NONBLOCK);
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if (-1 == fd) {
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@ -285,6 +281,9 @@ static int oss_open (int in, struct oss_params *req,
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freq = req->freq;
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nchannels = req->nchannels;
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fmt = req->fmt;
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req->nfrags = opdo->has_buffer_count ? opdo->buffer_count : 4;
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req->fragsize = audio_buffer_bytes(
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qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220);
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if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {
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oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt);
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@ -308,18 +307,18 @@ static int oss_open (int in, struct oss_params *req,
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}
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#ifdef USE_DSP_POLICY
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if (conf->policy >= 0) {
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if (policy >= 0) {
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int version;
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if (!oss_get_version (fd, &version, typ)) {
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trace_oss_version(version);
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if (version >= 0x040000) {
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int policy = conf->policy;
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if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
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int policy2 = policy;
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if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) {
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oss_logerr2 (errno, typ,
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"Failed to set timing policy to %d\n",
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conf->policy);
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policy);
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goto err;
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}
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setfragment = 0;
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@ -502,17 +501,16 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
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int fd;
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AudioFormat effective_fmt;
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struct audsettings obt_as;
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OSSConf *conf = drv_opaque;
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Audiodev *dev = drv_opaque;
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AudiodevOssOptions *oopts = &dev->u.oss;
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oss->fd = -1;
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req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
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req.freq = as->freq;
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req.nchannels = as->nchannels;
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req.fragsize = conf->fragsize;
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req.nfrags = conf->nfrags;
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if (oss_open (0, &req, &obt, &fd, conf)) {
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if (oss_open(0, &req, as, &obt, &fd, dev)) {
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return -1;
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}
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@ -539,7 +537,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
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hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
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oss->mmapped = 0;
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if (conf->try_mmap) {
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if (oopts->has_try_mmap && oopts->try_mmap) {
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oss->pcm_buf = mmap (
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NULL,
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hw->samples << hw->info.shift,
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@ -597,7 +595,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
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}
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oss->fd = fd;
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oss->conf = conf;
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oss->dev = dev;
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return 0;
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}
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@ -605,16 +603,12 @@ static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
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{
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int trig;
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OSSVoiceOut *oss = (OSSVoiceOut *) hw;
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AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;
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switch (cmd) {
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case VOICE_ENABLE:
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{
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va_list ap;
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int poll_mode;
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va_start (ap, cmd);
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poll_mode = va_arg (ap, int);
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va_end (ap);
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bool poll_mode = opdo->try_poll;
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ldebug ("enabling voice\n");
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if (poll_mode) {
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@ -669,16 +663,14 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
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int fd;
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AudioFormat effective_fmt;
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struct audsettings obt_as;
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OSSConf *conf = drv_opaque;
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Audiodev *dev = drv_opaque;
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oss->fd = -1;
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req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
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req.freq = as->freq;
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req.nchannels = as->nchannels;
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req.fragsize = conf->fragsize;
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req.nfrags = conf->nfrags;
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if (oss_open (1, &req, &obt, &fd, conf)) {
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if (oss_open(1, &req, as, &obt, &fd, dev)) {
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return -1;
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}
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@ -712,7 +704,7 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
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}
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oss->fd = fd;
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oss->conf = conf;
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oss->dev = dev;
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return 0;
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}
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@ -803,16 +795,12 @@ static int oss_read (SWVoiceIn *sw, void *buf, int size)
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static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
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{
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OSSVoiceIn *oss = (OSSVoiceIn *) hw;
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AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;
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switch (cmd) {
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case VOICE_ENABLE:
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{
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va_list ap;
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int poll_mode;
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va_start (ap, cmd);
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poll_mode = va_arg (ap, int);
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va_end (ap);
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bool poll_mode = opdo->try_poll;
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if (poll_mode) {
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oss_poll_in (hw);
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@ -832,82 +820,36 @@ static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
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return 0;
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}
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static OSSConf glob_conf = {
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.try_mmap = 0,
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.nfrags = 4,
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.fragsize = 4096,
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.devpath_out = "/dev/dsp",
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.devpath_in = "/dev/dsp",
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.exclusive = 0,
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.policy = 5
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};
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static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo)
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{
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if (!opdo->has_try_poll) {
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opdo->try_poll = true;
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opdo->has_try_poll = true;
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}
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}
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static void *oss_audio_init(Audiodev *dev)
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{
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OSSConf *conf = g_malloc(sizeof(OSSConf));
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*conf = glob_conf;
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AudiodevOssOptions *oopts;
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assert(dev->driver == AUDIODEV_DRIVER_OSS);
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if (access(conf->devpath_in, R_OK | W_OK) < 0 ||
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access(conf->devpath_out, R_OK | W_OK) < 0) {
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g_free(conf);
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oopts = &dev->u.oss;
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oss_init_per_direction(oopts->in);
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oss_init_per_direction(oopts->out);
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if (access(oopts->in->has_dev ? oopts->in->dev : "/dev/dsp",
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R_OK | W_OK) < 0 ||
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access(oopts->out->has_dev ? oopts->out->dev : "/dev/dsp",
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R_OK | W_OK) < 0) {
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return NULL;
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}
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return conf;
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return dev;
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}
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static void oss_audio_fini (void *opaque)
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{
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g_free(opaque);
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}
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static struct audio_option oss_options[] = {
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{
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.name = "FRAGSIZE",
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.tag = AUD_OPT_INT,
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.valp = &glob_conf.fragsize,
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.descr = "Fragment size in bytes"
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},
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{
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.name = "NFRAGS",
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.tag = AUD_OPT_INT,
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.valp = &glob_conf.nfrags,
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.descr = "Number of fragments"
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},
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{
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.name = "MMAP",
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.tag = AUD_OPT_BOOL,
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.valp = &glob_conf.try_mmap,
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.descr = "Try using memory mapped access"
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},
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{
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.name = "DAC_DEV",
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.tag = AUD_OPT_STR,
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.valp = &glob_conf.devpath_out,
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.descr = "Path to DAC device"
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},
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{
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.name = "ADC_DEV",
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.tag = AUD_OPT_STR,
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.valp = &glob_conf.devpath_in,
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.descr = "Path to ADC device"
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},
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{
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.name = "EXCLUSIVE",
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.tag = AUD_OPT_BOOL,
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.valp = &glob_conf.exclusive,
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.descr = "Open device in exclusive mode (vmix won't work)"
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},
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#ifdef USE_DSP_POLICY
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{
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.name = "POLICY",
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.tag = AUD_OPT_INT,
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.valp = &glob_conf.policy,
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.descr = "Set the timing policy of the device, -1 to use fragment mode",
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},
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#endif
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{ /* End of list */ }
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};
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static struct audio_pcm_ops oss_pcm_ops = {
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.init_out = oss_init_out,
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.fini_out = oss_fini_out,
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@ -925,7 +867,6 @@ static struct audio_pcm_ops oss_pcm_ops = {
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static struct audio_driver oss_audio_driver = {
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.name = "oss",
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.descr = "OSS http://www.opensound.com",
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.options = oss_options,
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.init = oss_audio_init,
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.fini = oss_audio_fini,
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.pcm_ops = &oss_pcm_ops,
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