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Diffstat (limited to 'audio/ossaudio.c')
-rw-r--r--audio/ossaudio.c110
1 files changed, 61 insertions, 49 deletions
diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index 27c6bc625e..bdc4b768e7 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -38,6 +38,17 @@
#define USE_DSP_POLICY
#endif
+typedef struct OSSConf {
+ int try_mmap;
+ int nfrags;
+ int fragsize;
+ const char *devpath_out;
+ const char *devpath_in;
+ int debug;
+ int exclusive;
+ int policy;
+} OSSConf;
+
typedef struct OSSVoiceOut {
HWVoiceOut hw;
void *pcm_buf;
@@ -47,6 +58,7 @@ typedef struct OSSVoiceOut {
int fragsize;
int mmapped;
int pending;
+ OSSConf *conf;
} OSSVoiceOut;
typedef struct OSSVoiceIn {
@@ -55,28 +67,9 @@ typedef struct OSSVoiceIn {
int fd;
int nfrags;
int fragsize;
+ OSSConf *conf;
} 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;
@@ -272,18 +265,18 @@ 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)
+ struct oss_params *obt, int *pfd, OSSConf* conf)
{
int fd;
- int oflags = conf.exclusive ? O_EXCL : 0;
+ int oflags = conf->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 = in ? conf->devpath_in : conf->devpath_out;
const char *typ = in ? "ADC" : "DAC";
/* Kludge needed to have working mmap on Linux */
- oflags |= conf.try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
+ oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
fd = open (dspname, oflags | O_NONBLOCK);
if (-1 == fd) {
@@ -317,20 +310,20 @@ static int oss_open (int in, struct oss_params *req,
}
#ifdef USE_DSP_POLICY
- if (conf.policy >= 0) {
+ if (conf->policy >= 0) {
int version;
if (!oss_get_version (fd, &version, typ)) {
- if (conf.debug) {
+ if (conf->debug) {
dolog ("OSS version = %#x\n", version);
}
if (version >= 0x040000) {
- int policy = conf.policy;
+ int policy = conf->policy;
if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
oss_logerr2 (errno, typ,
"Failed to set timing policy to %d\n",
- conf.policy);
+ conf->policy);
goto err;
}
setfragment = 0;
@@ -434,6 +427,7 @@ static int oss_run_out (HWVoiceOut *hw, int live)
struct audio_buf_info abinfo;
struct count_info cntinfo;
int bufsize;
+ OSSConf *conf = oss->conf;
bufsize = hw->samples << hw->info.shift;
@@ -458,7 +452,7 @@ static int oss_run_out (HWVoiceOut *hw, int live)
}
if (abinfo.bytes > bufsize) {
- if (conf.debug) {
+ if (conf->debug) {
dolog ("warning: Invalid available size, size=%d bufsize=%d\n"
"please report your OS/audio hw to av1474@comtv.ru\n",
abinfo.bytes, bufsize);
@@ -467,7 +461,7 @@ static int oss_run_out (HWVoiceOut *hw, int live)
}
if (abinfo.bytes < 0) {
- if (conf.debug) {
+ if (conf->debug) {
dolog ("warning: Invalid available size, size=%d bufsize=%d\n",
abinfo.bytes, bufsize);
}
@@ -520,16 +514,17 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
int fd;
audfmt_e effective_fmt;
struct audsettings obt_as;
+ OSSConf *conf = 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;
+ req.fragsize = conf->fragsize;
+ req.nfrags = conf->nfrags;
- if (oss_open (0, &req, &obt, &fd)) {
+ if (oss_open (0, &req, &obt, &fd, conf)) {
return -1;
}
@@ -556,7 +551,7 @@ 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 (conf->try_mmap) {
oss->pcm_buf = mmap (
NULL,
hw->samples << hw->info.shift,
@@ -616,6 +611,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
}
oss->fd = fd;
+ oss->conf = conf;
return 0;
}
@@ -687,15 +683,16 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
int fd;
audfmt_e effective_fmt;
struct audsettings obt_as;
+ OSSConf *conf = 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)) {
+ req.fragsize = conf->fragsize;
+ req.nfrags = conf->nfrags;
+ if (oss_open (1, &req, &obt, &fd, conf)) {
return -1;
}
@@ -729,6 +726,7 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
}
oss->fd = fd;
+ oss->conf = conf;
return 0;
}
@@ -848,69 +846,83 @@ 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",
+ .debug = 0,
+ .exclusive = 0,
+ .policy = 5
+};
+
static void *oss_audio_init (void)
{
- if (access(conf.devpath_in, R_OK | W_OK) < 0 ||
- access(conf.devpath_out, R_OK | W_OK) < 0) {
+ OSSConf *conf = g_malloc(sizeof(OSSConf));
+ *conf = glob_conf;
+
+ if (access(conf->devpath_in, R_OK | W_OK) < 0 ||
+ access(conf->devpath_out, R_OK | W_OK) < 0) {
return NULL;
}
- return &conf;
+ return conf;
}
static void oss_audio_fini (void *opaque)
{
- (void) opaque;
+ g_free(opaque);
}
static struct audio_option oss_options[] = {
{
.name = "FRAGSIZE",
.tag = AUD_OPT_INT,
- .valp = &conf.fragsize,
+ .valp = &glob_conf.fragsize,
.descr = "Fragment size in bytes"
},
{
.name = "NFRAGS",
.tag = AUD_OPT_INT,
- .valp = &conf.nfrags,
+ .valp = &glob_conf.nfrags,
.descr = "Number of fragments"
},
{
.name = "MMAP",
.tag = AUD_OPT_BOOL,
- .valp = &conf.try_mmap,
+ .valp = &glob_conf.try_mmap,
.descr = "Try using memory mapped access"
},
{
.name = "DAC_DEV",
.tag = AUD_OPT_STR,
- .valp = &conf.devpath_out,
+ .valp = &glob_conf.devpath_out,
.descr = "Path to DAC device"
},
{
.name = "ADC_DEV",
.tag = AUD_OPT_STR,
- .valp = &conf.devpath_in,
+ .valp = &glob_conf.devpath_in,
.descr = "Path to ADC device"
},
{
.name = "EXCLUSIVE",
.tag = AUD_OPT_BOOL,
- .valp = &conf.exclusive,
+ .valp = &glob_conf.exclusive,
.descr = "Open device in exclusive mode (vmix wont work)"
},
#ifdef USE_DSP_POLICY
{
.name = "POLICY",
.tag = AUD_OPT_INT,
- .valp = &conf.policy,
+ .valp = &glob_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,
+ .valp = &glob_conf.debug,
.descr = "Turn on some debugging messages"
},
{ /* End of list */ }
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-26 16:30:16 +0000