* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
+#include "qemu/osdep.h"
#include <alsa/asoundlib.h>
#include "qemu-common.h"
-#include "qemu-char.h"
+#include "qemu/main-loop.h"
#include "audio.h"
+#include "trace.h"
#if QEMU_GNUC_PREREQ(4, 3)
#pragma GCC diagnostic ignored "-Waddress"
#define AUDIO_CAP "alsa"
#include "audio_int.h"
+typedef struct ALSAConf {
+ int size_in_usec_in;
+ int size_in_usec_out;
+ const char *pcm_name_in;
+ const char *pcm_name_out;
+ unsigned int buffer_size_in;
+ unsigned int period_size_in;
+ unsigned int buffer_size_out;
+ unsigned int period_size_out;
+ unsigned int threshold;
+
+ int buffer_size_in_overridden;
+ int period_size_in_overridden;
+
+ int buffer_size_out_overridden;
+ int period_size_out_overridden;
+} ALSAConf;
+
struct pollhlp {
snd_pcm_t *handle;
struct pollfd *pfds;
+ ALSAConf *conf;
int count;
int mask;
};
struct pollhlp pollhlp;
} ALSAVoiceIn;
-static struct {
- int size_in_usec_in;
- int size_in_usec_out;
- const char *pcm_name_in;
- const char *pcm_name_out;
- unsigned int buffer_size_in;
- unsigned int period_size_in;
- unsigned int buffer_size_out;
- unsigned int period_size_out;
- unsigned int threshold;
-
- int buffer_size_in_overridden;
- int period_size_in_overridden;
-
- int buffer_size_out_overridden;
- int period_size_out_overridden;
- int verbose;
-} conf = {
- .buffer_size_out = 4096,
- .period_size_out = 1024,
- .pcm_name_out = "default",
- .pcm_name_in = "default",
-};
-
struct alsa_params_req {
int freq;
snd_pcm_format_t fmt;
for (i = 0; i < hlp->count; ++i) {
qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
}
- qemu_free (pfds);
+ g_free (pfds);
}
hlp->pfds = NULL;
hlp->count = 0;
}
if (!(revents & hlp->mask)) {
- if (conf.verbose) {
- dolog ("revents = %d\n", revents);
- }
+ trace_alsa_revents(revents);
return;
}
if (err < 0) {
alsa_logerr (err, "Could not initialize poll mode\n"
"Could not obtain poll descriptors\n");
- qemu_free (pfds);
+ g_free (pfds);
return -1;
}
for (i = 0; i < count; ++i) {
if (pfds[i].events & POLLIN) {
- err = qemu_set_fd_handler (pfds[i].fd, alsa_poll_handler,
- NULL, hlp);
+ qemu_set_fd_handler (pfds[i].fd, alsa_poll_handler, NULL, hlp);
}
if (pfds[i].events & POLLOUT) {
- if (conf.verbose) {
- dolog ("POLLOUT %d %d\n", i, pfds[i].fd);
- }
- err = qemu_set_fd_handler (pfds[i].fd, NULL,
- alsa_poll_handler, hlp);
- }
- if (conf.verbose) {
- dolog ("Set handler events=%#x index=%d fd=%d err=%d\n",
- pfds[i].events, i, pfds[i].fd, err);
+ trace_alsa_pollout(i, pfds[i].fd);
+ qemu_set_fd_handler (pfds[i].fd, NULL, alsa_poll_handler, hlp);
}
+ trace_alsa_set_handler(pfds[i].events, i, pfds[i].fd, err);
- if (err) {
- dolog ("Failed to set handler events=%#x index=%d fd=%d err=%d\n",
- pfds[i].events, i, pfds[i].fd, err);
-
- while (i--) {
- qemu_set_fd_handler (pfds[i].fd, NULL, NULL, NULL);
- }
- qemu_free (pfds);
- return -1;
- }
}
hlp->pfds = pfds;
hlp->count = count;
}
static int alsa_open (int in, struct alsa_params_req *req,
- struct alsa_params_obt *obt, snd_pcm_t **handlep)
+ struct alsa_params_obt *obt, snd_pcm_t **handlep,
+ ALSAConf *conf)
{
snd_pcm_t *handle;
snd_pcm_hw_params_t *hw_params;
int err;
int size_in_usec;
unsigned int freq, nchannels;
- const char *pcm_name = in ? conf.pcm_name_in : conf.pcm_name_out;
+ const char *pcm_name = in ? conf->pcm_name_in : conf->pcm_name_out;
snd_pcm_uframes_t obt_buffer_size;
const char *typ = in ? "ADC" : "DAC";
snd_pcm_format_t obtfmt;
}
err = snd_pcm_hw_params_set_format (handle, hw_params, req->fmt);
- if (err < 0 && conf.verbose) {
+ if (err < 0) {
alsa_logerr2 (err, typ, "Failed to set format %d\n", req->fmt);
}
goto err;
}
- if (!in && conf.threshold) {
+ if (!in && conf->threshold) {
snd_pcm_uframes_t threshold;
int bytes_per_sec;
break;
}
- threshold = (conf.threshold * bytes_per_sec) / 1000;
+ threshold = (conf->threshold * bytes_per_sec) / 1000;
alsa_set_threshold (handle, threshold);
}
*handlep = handle;
- if (conf.verbose &&
- (obtfmt != req->fmt ||
+ if (obtfmt != req->fmt ||
obt->nchannels != req->nchannels ||
- obt->freq != req->freq)) {
+ obt->freq != req->freq) {
dolog ("Audio parameters for %s\n", typ);
alsa_dump_info (req, obt, obtfmt);
}
if (written <= 0) {
switch (written) {
case 0:
- if (conf.verbose) {
- dolog ("Failed to write %d frames (wrote zero)\n", len);
- }
+ trace_alsa_wrote_zero(len);
return;
case -EPIPE:
len);
return;
}
- if (conf.verbose) {
- dolog ("Recovering from playback xrun\n");
- }
+ trace_alsa_xrun_out();
continue;
case -ESTRPIPE:
len);
return;
}
- if (conf.verbose) {
- dolog ("Resuming suspended output stream\n");
- }
+ trace_alsa_resume_out();
continue;
case -EAGAIN:
ldebug ("alsa_fini\n");
alsa_anal_close (&alsa->handle, &alsa->pollhlp);
- if (alsa->pcm_buf) {
- qemu_free (alsa->pcm_buf);
- alsa->pcm_buf = NULL;
- }
+ g_free(alsa->pcm_buf);
+ alsa->pcm_buf = NULL;
}
-static int alsa_init_out (HWVoiceOut *hw, struct audsettings *as)
+static int alsa_init_out(HWVoiceOut *hw, struct audsettings *as,
+ void *drv_opaque)
{
ALSAVoiceOut *alsa = (ALSAVoiceOut *) hw;
struct alsa_params_req req;
struct alsa_params_obt obt;
snd_pcm_t *handle;
struct audsettings obt_as;
+ ALSAConf *conf = drv_opaque;
req.fmt = aud_to_alsafmt (as->fmt, as->endianness);
req.freq = as->freq;
req.nchannels = as->nchannels;
- req.period_size = conf.period_size_out;
- req.buffer_size = conf.buffer_size_out;
- req.size_in_usec = conf.size_in_usec_out;
+ req.period_size = conf->period_size_out;
+ req.buffer_size = conf->buffer_size_out;
+ req.size_in_usec = conf->size_in_usec_out;
req.override_mask =
- (conf.period_size_out_overridden ? 1 : 0) |
- (conf.buffer_size_out_overridden ? 2 : 0);
+ (conf->period_size_out_overridden ? 1 : 0) |
+ (conf->buffer_size_out_overridden ? 2 : 0);
- if (alsa_open (0, &req, &obt, &handle)) {
+ if (alsa_open (0, &req, &obt, &handle, conf)) {
return -1;
}
}
alsa->handle = handle;
+ alsa->pollhlp.conf = conf;
return 0;
}
return -1;
}
-static int alsa_init_in (HWVoiceIn *hw, struct audsettings *as)
+static int alsa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
{
ALSAVoiceIn *alsa = (ALSAVoiceIn *) hw;
struct alsa_params_req req;
struct alsa_params_obt obt;
snd_pcm_t *handle;
struct audsettings obt_as;
+ ALSAConf *conf = drv_opaque;
req.fmt = aud_to_alsafmt (as->fmt, as->endianness);
req.freq = as->freq;
req.nchannels = as->nchannels;
- req.period_size = conf.period_size_in;
- req.buffer_size = conf.buffer_size_in;
- req.size_in_usec = conf.size_in_usec_in;
+ req.period_size = conf->period_size_in;
+ req.buffer_size = conf->buffer_size_in;
+ req.size_in_usec = conf->size_in_usec_in;
req.override_mask =
- (conf.period_size_in_overridden ? 1 : 0) |
- (conf.buffer_size_in_overridden ? 2 : 0);
+ (conf->period_size_in_overridden ? 1 : 0) |
+ (conf->buffer_size_in_overridden ? 2 : 0);
- if (alsa_open (1, &req, &obt, &handle)) {
+ if (alsa_open (1, &req, &obt, &handle, conf)) {
return -1;
}
}
alsa->handle = handle;
+ alsa->pollhlp.conf = conf;
return 0;
}
alsa_anal_close (&alsa->handle, &alsa->pollhlp);
- if (alsa->pcm_buf) {
- qemu_free (alsa->pcm_buf);
- alsa->pcm_buf = NULL;
- }
+ g_free(alsa->pcm_buf);
+ alsa->pcm_buf = NULL;
}
static int alsa_run_in (HWVoiceIn *hw)
dolog ("Failed to resume suspended input stream\n");
return 0;
}
- if (conf.verbose) {
- dolog ("Resuming suspended input stream\n");
- }
+ trace_alsa_resume_in();
break;
default:
- if (conf.verbose) {
- dolog ("No frames available and ALSA state is %d\n", state);
- }
+ trace_alsa_no_frames(state);
return 0;
}
}
if (nread <= 0) {
switch (nread) {
case 0:
- if (conf.verbose) {
- dolog ("Failed to read %ld frames (read zero)\n", len);
- }
+ trace_alsa_read_zero(len);
goto exit;
case -EPIPE:
alsa_logerr (nread, "Failed to read %ld frames\n", len);
goto exit;
}
- if (conf.verbose) {
- dolog ("Recovering from capture xrun\n");
- }
+ trace_alsa_xrun_in();
continue;
case -EAGAIN:
}
}
- hw->conv (dst, src, nread, &nominal_volume);
+ hw->conv (dst, src, nread);
src = advance (src, nread << hwshift);
dst += nread;
return -1;
}
+static ALSAConf glob_conf = {
+ .buffer_size_out = 4096,
+ .period_size_out = 1024,
+ .pcm_name_out = "default",
+ .pcm_name_in = "default",
+};
+
static void *alsa_audio_init (void)
{
- return &conf;
+ ALSAConf *conf = g_malloc(sizeof(ALSAConf));
+ *conf = glob_conf;
+ return conf;
}
static void alsa_audio_fini (void *opaque)
{
- (void) opaque;
+ g_free(opaque);
}
static struct audio_option alsa_options[] = {
{
.name = "DAC_SIZE_IN_USEC",
.tag = AUD_OPT_BOOL,
- .valp = &conf.size_in_usec_out,
+ .valp = &glob_conf.size_in_usec_out,
.descr = "DAC period/buffer size in microseconds (otherwise in frames)"
},
{
.name = "DAC_PERIOD_SIZE",
.tag = AUD_OPT_INT,
- .valp = &conf.period_size_out,
+ .valp = &glob_conf.period_size_out,
.descr = "DAC period size (0 to go with system default)",
- .overriddenp = &conf.period_size_out_overridden
+ .overriddenp = &glob_conf.period_size_out_overridden
},
{
.name = "DAC_BUFFER_SIZE",
.tag = AUD_OPT_INT,
- .valp = &conf.buffer_size_out,
+ .valp = &glob_conf.buffer_size_out,
.descr = "DAC buffer size (0 to go with system default)",
- .overriddenp = &conf.buffer_size_out_overridden
+ .overriddenp = &glob_conf.buffer_size_out_overridden
},
{
.name = "ADC_SIZE_IN_USEC",
.tag = AUD_OPT_BOOL,
- .valp = &conf.size_in_usec_in,
+ .valp = &glob_conf.size_in_usec_in,
.descr =
"ADC period/buffer size in microseconds (otherwise in frames)"
},
{
.name = "ADC_PERIOD_SIZE",
.tag = AUD_OPT_INT,
- .valp = &conf.period_size_in,
+ .valp = &glob_conf.period_size_in,
.descr = "ADC period size (0 to go with system default)",
- .overriddenp = &conf.period_size_in_overridden
+ .overriddenp = &glob_conf.period_size_in_overridden
},
{
.name = "ADC_BUFFER_SIZE",
.tag = AUD_OPT_INT,
- .valp = &conf.buffer_size_in,
+ .valp = &glob_conf.buffer_size_in,
.descr = "ADC buffer size (0 to go with system default)",
- .overriddenp = &conf.buffer_size_in_overridden
+ .overriddenp = &glob_conf.buffer_size_in_overridden
},
{
.name = "THRESHOLD",
.tag = AUD_OPT_INT,
- .valp = &conf.threshold,
+ .valp = &glob_conf.threshold,
.descr = "(undocumented)"
},
{
.name = "DAC_DEV",
.tag = AUD_OPT_STR,
- .valp = &conf.pcm_name_out,
+ .valp = &glob_conf.pcm_name_out,
.descr = "DAC device name (for instance dmix)"
},
{
.name = "ADC_DEV",
.tag = AUD_OPT_STR,
- .valp = &conf.pcm_name_in,
+ .valp = &glob_conf.pcm_name_in,
.descr = "ADC device name"
},
- {
- .name = "VERBOSE",
- .tag = AUD_OPT_BOOL,
- .valp = &conf.verbose,
- .descr = "Behave in a more verbose way"
- },
{ /* End of list */ }
};
projects / mirror_qemu.git / blobdiff