* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-#include <stdlib.h>
-#include <sys/mman.h>
-#include <sys/types.h>
+
+#include "qemu/osdep.h"
#include <sys/ioctl.h>
-#ifdef __OpenBSD__
-#include <soundcard.h>
-#else
#include <sys/soundcard.h>
-#endif
-#include "qemu-common.h"
#include "qemu/main-loop.h"
+#include "qemu/module.h"
#include "qemu/host-utils.h"
#include "audio.h"
+#include "trace.h"
#define AUDIO_CAP "oss"
#include "audio_int.h"
int fragsize;
int mmapped;
int pending;
+ Audiodev *dev;
} OSSVoiceOut;
typedef struct OSSVoiceIn {
int fd;
int nfrags;
int fragsize;
+ Audiodev *dev;
} OSSVoiceIn;
-static struct {
- int try_mmap;
- int nfrags;
- int fragsize;
- const char *devpath_out;
- const char *devpath_in;
- int debug;
- int exclusive;
- int policy;
-} conf = {
- .try_mmap = 0,
- .nfrags = 4,
- .fragsize = 4096,
- .devpath_out = "/dev/dsp",
- .devpath_in = "/dev/dsp",
- .debug = 0,
- .exclusive = 0,
- .policy = 5
-};
-
struct oss_params {
int freq;
- audfmt_e fmt;
+ int fmt;
int nchannels;
int nfrags;
int fragsize;
audio_run ("oss_poll_in");
}
-static int oss_poll_out (HWVoiceOut *hw)
+static void oss_poll_out (HWVoiceOut *hw)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
- return qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL);
+ qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL);
}
-static int oss_poll_in (HWVoiceIn *hw)
+static void oss_poll_in (HWVoiceIn *hw)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
- return qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
+ qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
}
static int oss_write (SWVoiceOut *sw, void *buf, int len)
return audio_pcm_sw_write (sw, buf, len);
}
-static int aud_to_ossfmt (audfmt_e fmt, int endianness)
+static int aud_to_ossfmt (AudioFormat fmt, int endianness)
{
switch (fmt) {
- case AUD_FMT_S8:
+ case AUDIO_FORMAT_S8:
return AFMT_S8;
- case AUD_FMT_U8:
+ case AUDIO_FORMAT_U8:
return AFMT_U8;
- case AUD_FMT_S16:
+ case AUDIO_FORMAT_S16:
if (endianness) {
return AFMT_S16_BE;
}
return AFMT_S16_LE;
}
- case AUD_FMT_U16:
+ case AUDIO_FORMAT_U16:
if (endianness) {
return AFMT_U16_BE;
}
}
}
-static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness)
+static int oss_to_audfmt (int ossfmt, AudioFormat *fmt, int *endianness)
{
switch (ossfmt) {
case AFMT_S8:
*endianness = 0;
- *fmt = AUD_FMT_S8;
+ *fmt = AUDIO_FORMAT_S8;
break;
case AFMT_U8:
*endianness = 0;
- *fmt = AUD_FMT_U8;
+ *fmt = AUDIO_FORMAT_U8;
break;
case AFMT_S16_LE:
*endianness = 0;
- *fmt = AUD_FMT_S16;
+ *fmt = AUDIO_FORMAT_S16;
break;
case AFMT_U16_LE:
*endianness = 0;
- *fmt = AUD_FMT_U16;
+ *fmt = AUDIO_FORMAT_U16;
break;
case AFMT_S16_BE:
*endianness = 1;
- *fmt = AUD_FMT_S16;
+ *fmt = AUDIO_FORMAT_S16;
break;
case AFMT_U16_BE:
*endianness = 1;
- *fmt = AUD_FMT_U16;
+ *fmt = AUDIO_FORMAT_U16;
break;
default:
}
#endif
-static int oss_open (int in, struct oss_params *req,
- struct oss_params *obt, int *pfd)
+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) {
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);
}
#ifdef USE_DSP_POLICY
- if (conf.policy >= 0) {
+ if (policy >= 0) {
int version;
if (!oss_get_version (fd, &version, typ)) {
- if (conf.debug) {
- dolog ("OSS version = %#x\n", version);
- }
+ 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;
}
if (abinfo.bytes > bufsize) {
- if (conf.debug) {
- dolog ("warning: Invalid available size, size=%d bufsize=%d\n"
- abinfo.bytes, bufsize);
- }
+ trace_oss_invalid_available_size(abinfo.bytes, bufsize);
abinfo.bytes = bufsize;
}
if (abinfo.bytes < 0) {
- if (conf.debug) {
- dolog ("warning: Invalid available size, size=%d bufsize=%d\n",
- abinfo.bytes, bufsize);
- }
+ trace_oss_invalid_available_size(abinfo.bytes, bufsize);
return 0;
}
}
}
-static int oss_init_out (HWVoiceOut *hw, struct audsettings *as)
+static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
+ void *drv_opaque)
{
OSSVoiceOut *oss = (OSSVoiceOut *) hw;
struct oss_params req, obt;
int endianness;
int err;
int fd;
- audfmt_e effective_fmt;
+ AudioFormat effective_fmt;
struct audsettings obt_as;
+ 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)) {
+ if (oss_open(0, &req, as, &obt, &fd, dev)) {
return -1;
}
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,
}
if (!oss->mmapped) {
- oss->pcm_buf = audio_calloc (
- AUDIO_FUNC,
- hw->samples,
- 1 << hw->info.shift
- );
+ oss->pcm_buf = audio_calloc(__func__,
+ hw->samples,
+ 1 << hw->info.shift);
if (!oss->pcm_buf) {
dolog (
"Could not allocate DAC buffer (%d samples, each %d bytes)\n",
}
oss->fd = fd;
+ oss->dev = dev;
return 0;
}
{
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 && oss_poll_out (hw)) {
+ if (poll_mode) {
+ oss_poll_out (hw);
poll_mode = 0;
}
hw->poll_mode = poll_mode;
return 0;
}
-static int oss_init_in (HWVoiceIn *hw, struct audsettings *as)
+static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
{
OSSVoiceIn *oss = (OSSVoiceIn *) hw;
struct oss_params req, obt;
int endianness;
int err;
int fd;
- audfmt_e effective_fmt;
+ AudioFormat effective_fmt;
struct audsettings obt_as;
+ 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)) {
+ if (oss_open(1, &req, as, &obt, &fd, dev)) {
return -1;
}
}
hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
- oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
+ oss->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift);
if (!oss->pcm_buf) {
dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
hw->samples, 1 << hw->info.shift);
}
oss->fd = fd;
+ oss->dev = dev;
return 0;
}
oss_anal_close (&oss->fd);
- if (oss->pcm_buf) {
- g_free (oss->pcm_buf);
- oss->pcm_buf = NULL;
- }
+ g_free(oss->pcm_buf);
+ oss->pcm_buf = NULL;
}
static int oss_run_in (HWVoiceIn *hw)
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;
+ bool poll_mode = opdo->try_poll;
- va_start (ap, cmd);
- poll_mode = va_arg (ap, int);
- va_end (ap);
-
- if (poll_mode && oss_poll_in (hw)) {
+ if (poll_mode) {
+ oss_poll_in (hw);
poll_mode = 0;
}
hw->poll_mode = poll_mode;
return 0;
}
-static void *oss_audio_init (void)
+static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo)
{
- return &conf;
+ if (!opdo->has_try_poll) {
+ opdo->try_poll = true;
+ opdo->has_try_poll = true;
+ }
}
-static void oss_audio_fini (void *opaque)
+static void *oss_audio_init(Audiodev *dev)
{
- (void) opaque;
+ AudiodevOssOptions *oopts;
+ assert(dev->driver == AUDIODEV_DRIVER_OSS);
+
+ 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 dev;
}
-static struct audio_option oss_options[] = {
- {
- .name = "FRAGSIZE",
- .tag = AUD_OPT_INT,
- .valp = &conf.fragsize,
- .descr = "Fragment size in bytes"
- },
- {
- .name = "NFRAGS",
- .tag = AUD_OPT_INT,
- .valp = &conf.nfrags,
- .descr = "Number of fragments"
- },
- {
- .name = "MMAP",
- .tag = AUD_OPT_BOOL,
- .valp = &conf.try_mmap,
- .descr = "Try using memory mapped access"
- },
- {
- .name = "DAC_DEV",
- .tag = AUD_OPT_STR,
- .valp = &conf.devpath_out,
- .descr = "Path to DAC device"
- },
- {
- .name = "ADC_DEV",
- .tag = AUD_OPT_STR,
- .valp = &conf.devpath_in,
- .descr = "Path to ADC device"
- },
- {
- .name = "EXCLUSIVE",
- .tag = AUD_OPT_BOOL,
- .valp = &conf.exclusive,
- .descr = "Open device in exclusive mode (vmix wont work)"
- },
-#ifdef USE_DSP_POLICY
- {
- .name = "POLICY",
- .tag = AUD_OPT_INT,
- .valp = &conf.policy,
- .descr = "Set the timing policy of the device, -1 to use fragment mode",
- },
-#endif
- {
- .name = "DEBUG",
- .tag = AUD_OPT_BOOL,
- .valp = &conf.debug,
- .descr = "Turn on some debugging messages"
- },
- { /* End of list */ }
-};
+static void oss_audio_fini (void *opaque)
+{
+}
static struct audio_pcm_ops oss_pcm_ops = {
.init_out = oss_init_out,
.ctl_in = oss_ctl_in
};
-struct audio_driver oss_audio_driver = {
+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,
.voice_size_out = sizeof (OSSVoiceOut),
.voice_size_in = sizeof (OSSVoiceIn)
};
+
+static void register_audio_oss(void)
+{
+ audio_driver_register(&oss_audio_driver);
+}
+type_init(register_audio_oss);