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dsoundaudio: do not use global variables 

Signed-off-by: Kővágó, Zoltán <DirtY.iCE.hu@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Kővágó, Zoltán 2015-06-03 23:03:52 +02:00 committed by Gerd Hoffmann
parent 49dd6d0d33
commit 191e1f0acd
2 changed files with 74 additions and 50 deletions
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18
audio/dsound_template.h
View File

@ -67,7 +67,8 @@ static int glue (dsound_lock_, TYPE) (
LPVOID *p2p,
DWORD *blen1p,
DWORD *blen2p,
int entire
int entire,
dsound *s
)
{
HRESULT hr;
@ -75,13 +76,14 @@ static int glue (dsound_lock_, TYPE) (
LPVOID p1 = NULL, p2 = NULL;
DWORD blen1 = 0, blen2 = 0;
DWORD flag;
DSoundConf *conf = &s->conf;
#ifdef DSBTYPE_IN
flag = entire ? DSCBLOCK_ENTIREBUFFER : 0;
#else
flag = entire ? DSBLOCK_ENTIREBUFFER : 0;
#endif
for (i = 0; i < conf.lock_retries; ++i) {
for (i = 0; i < conf->lock_retries; ++i) {
hr = glue (IFACE, _Lock) (
buf,
pos,
@ -96,7 +98,7 @@ static int glue (dsound_lock_, TYPE) (
if (FAILED (hr)) {
#ifndef DSBTYPE_IN
if (hr == DSERR_BUFFERLOST) {
if (glue (dsound_restore_, TYPE) (buf)) {
if (glue (dsound_restore_, TYPE) (buf, s)) {
dsound_logerr (hr, "Could not lock " NAME "\n");
goto fail;
}
@ -110,7 +112,7 @@ static int glue (dsound_lock_, TYPE) (
break;
}
if (i == conf.lock_retries) {
if (i == conf->lock_retries) {
dolog ("%d attempts to lock " NAME " failed\n", i);
goto fail;
}
@ -183,9 +185,10 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
{
int err;
HRESULT hr;
dsound *s = &glob_dsound;
dsound *s = drv_opaque;
WAVEFORMATEX wfx;
struct audsettings obt_as;
DSoundConf *conf = &s->conf;
#ifdef DSBTYPE_IN
const char *typ = "ADC";
DSoundVoiceIn *ds = (DSoundVoiceIn *) hw;
@ -212,7 +215,7 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
bd.dwSize = sizeof (bd);
bd.lpwfxFormat = &wfx;
#ifdef DSBTYPE_IN
bd.dwBufferBytes = conf.bufsize_in;
bd.dwBufferBytes = conf->bufsize_in;
hr = IDirectSoundCapture_CreateCaptureBuffer (
s->dsound_capture,
&bd,
@ -221,7 +224,7 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
);
#else
bd.dwFlags = DSBCAPS_STICKYFOCUS | DSBCAPS_GETCURRENTPOSITION2;
bd.dwBufferBytes = conf.bufsize_out;
bd.dwBufferBytes = conf->bufsize_out;
hr = IDirectSound_CreateSoundBuffer (
s->dsound,
&bd,
@ -271,6 +274,7 @@ static int dsound_init_out(HWVoiceOut *hw, struct audsettings *as,
);
}
hw->samples = bc.dwBufferBytes >> hw->info.shift;
ds->s = s;
#ifdef DEBUG_DSOUND
dolog ("caps %ld, desc %ld\n",

106
audio/dsoundaudio.c
View File

@ -41,7 +41,7 @@
/* #define DEBUG_DSOUND */
static struct {
typedef struct {
int lock_retries;
int restore_retries;
int getstatus_retries;
@ -50,33 +50,22 @@ static struct {
int bufsize_out;
struct audsettings settings;
int latency_millis;
} conf = {
.lock_retries = 1,
.restore_retries = 1,
.getstatus_retries = 1,
.set_primary = 0,
.bufsize_in = 16384,
.bufsize_out = 16384,
.settings.freq = 44100,
.settings.nchannels = 2,
.settings.fmt = AUD_FMT_S16,
.latency_millis = 10
};
} DSoundConf;
typedef struct {
LPDIRECTSOUND dsound;
LPDIRECTSOUNDCAPTURE dsound_capture;
LPDIRECTSOUNDBUFFER dsound_primary_buffer;
struct audsettings settings;
DSoundConf conf;
} dsound;
static dsound glob_dsound;
typedef struct {
HWVoiceOut hw;
LPDIRECTSOUNDBUFFER dsound_buffer;
DWORD old_pos;
int first_time;
dsound *s;
#ifdef DEBUG_DSOUND
DWORD old_ppos;
DWORD played;
@ -88,6 +77,7 @@ typedef struct {
HWVoiceIn hw;
int first_time;
LPDIRECTSOUNDCAPTUREBUFFER dsound_capture_buffer;
dsound *s;
} DSoundVoiceIn;
static void dsound_log_hresult (HRESULT hr)
@ -281,12 +271,12 @@ static void print_wave_format (WAVEFORMATEX *wfx)
}
#endif
static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb)
static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
{
HRESULT hr;
int i;
for (i = 0; i < conf.restore_retries; ++i) {
for (i = 0; i < s->conf.restore_retries; ++i) {
hr = IDirectSoundBuffer_Restore (dsb);
switch (hr) {
@ -311,12 +301,13 @@ static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb)
#include "dsound_template.h"
#undef DSBTYPE_IN
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp)
static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp,
dsound *s)
{
HRESULT hr;
int i;
for (i = 0; i < conf.getstatus_retries; ++i) {
for (i = 0; i < s->conf.getstatus_retries; ++i) {
hr = IDirectSoundBuffer_GetStatus (dsb, statusp);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not get playback buffer status\n");
@ -324,7 +315,7 @@ static int dsound_get_status_out (LPDIRECTSOUNDBUFFER dsb, DWORD *statusp)
}
if (*statusp & DSERR_BUFFERLOST) {
if (dsound_restore_out (dsb)) {
if (dsound_restore_out (dsb, s)) {
return -1;
}
continue;
@ -376,7 +367,8 @@ static void dsound_write_sample (HWVoiceOut *hw, uint8_t *dst, int dst_len)
hw->rpos = pos % hw->samples;
}
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb)
static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb,
dsound *s)
{
int err;
LPVOID p1, p2;
@ -389,7 +381,8 @@ static void dsound_clear_sample (HWVoiceOut *hw, LPDIRECTSOUNDBUFFER dsb)
hw->samples << hw->info.shift,
&p1, &p2,
&blen1, &blen2,
1
1,
s
);
if (err) {
return;
@ -435,6 +428,7 @@ static int dsound_open (dsound *s)
WAVEFORMATEX wfx;
DSBUFFERDESC dsbd;
HWND hwnd;
DSoundConf *conf = &s->conf;
hwnd = GetForegroundWindow ();
hr = IDirectSound_SetCooperativeLevel (
@ -449,11 +443,11 @@ static int dsound_open (dsound *s)
return -1;
}
if (!conf.set_primary) {
if (!conf->set_primary) {
return 0;
}
err = waveformat_from_audio_settings (&wfx, &conf.settings);
err = waveformat_from_audio_settings (&wfx, &conf->settings);
if (err) {
return -1;
}
@ -514,6 +508,7 @@ static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
DWORD status;
DSoundVoiceOut *ds = (DSoundVoiceOut *) hw;
LPDIRECTSOUNDBUFFER dsb = ds->dsound_buffer;
dsound *s = ds->s;
if (!dsb) {
dolog ("Attempt to control voice without a buffer\n");
@ -522,7 +517,7 @@ static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
switch (cmd) {
case VOICE_ENABLE:
if (dsound_get_status_out (dsb, &status)) {
if (dsound_get_status_out (dsb, &status, s)) {
return -1;
}
@ -531,7 +526,7 @@ static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
return 0;
}
dsound_clear_sample (hw, dsb);
dsound_clear_sample (hw, dsb, s);
hr = IDirectSoundBuffer_Play (dsb, 0, 0, DSBPLAY_LOOPING);
if (FAILED (hr)) {
@ -541,7 +536,7 @@ static int dsound_ctl_out (HWVoiceOut *hw, int cmd, ...)
break;
case VOICE_DISABLE:
if (dsound_get_status_out (dsb, &status)) {
if (dsound_get_status_out (dsb, &status, s)) {
return -1;
}
@ -578,6 +573,8 @@ static int dsound_run_out (HWVoiceOut *hw, int live)
DWORD wpos, ppos, old_pos;
LPVOID p1, p2;
int bufsize;
dsound *s = ds->s;
DSoundConf *conf = &s->conf;
if (!dsb) {
dolog ("Attempt to run empty with playback buffer\n");
@ -600,14 +597,14 @@ static int dsound_run_out (HWVoiceOut *hw, int live)
len = live << hwshift;
if (ds->first_time) {
if (conf.latency_millis) {
if (conf->latency_millis) {
DWORD cur_blat;
cur_blat = audio_ring_dist (wpos, ppos, bufsize);
ds->first_time = 0;
old_pos = wpos;
old_pos +=
millis_to_bytes (&hw->info, conf.latency_millis) - cur_blat;
millis_to_bytes (&hw->info, conf->latency_millis) - cur_blat;
old_pos %= bufsize;
old_pos &= ~hw->info.align;
}
@ -663,7 +660,8 @@ static int dsound_run_out (HWVoiceOut *hw, int live)
len,
&p1, &p2,
&blen1, &blen2,
0
0,
s
);
if (err) {
return 0;
@ -766,6 +764,7 @@ static int dsound_run_in (HWVoiceIn *hw)
DWORD cpos, rpos;
LPVOID p1, p2;
int hwshift;
dsound *s = ds->s;
if (!dscb) {
dolog ("Attempt to run without capture buffer\n");
@ -820,7 +819,8 @@ static int dsound_run_in (HWVoiceIn *hw)
&p2,
&blen1,
&blen2,
0
0,
s
);
if (err) {
return 0;
@ -843,12 +843,26 @@ static int dsound_run_in (HWVoiceIn *hw)
return decr;
}
static DSoundConf glob_conf = {
.lock_retries = 1,
.restore_retries = 1,
.getstatus_retries = 1,
.set_primary = 0,
.bufsize_in = 16384,
.bufsize_out = 16384,
.settings.freq = 44100,
.settings.nchannels = 2,
.settings.fmt = AUD_FMT_S16,
.latency_millis = 10
};
static void dsound_audio_fini (void *opaque)
{
HRESULT hr;
dsound *s = opaque;
if (!s->dsound) {
g_free(s);
return;
}
@ -859,6 +873,7 @@ static void dsound_audio_fini (void *opaque)
s->dsound = NULL;
if (!s->dsound_capture) {
g_free(s);
return;
}
@ -867,17 +882,21 @@ static void dsound_audio_fini (void *opaque)
dsound_logerr (hr, "Could not release DirectSoundCapture\n");
}
s->dsound_capture = NULL;
g_free(s);
}
static void *dsound_audio_init (void)
{
int err;
HRESULT hr;
dsound *s = &glob_dsound;
dsound *s = g_malloc0(sizeof(dsound));
s->conf = glob_conf;
hr = CoInitialize (NULL);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not initialize COM\n");
g_free(s);
return NULL;
}
@ -890,6 +909,7 @@ static void *dsound_audio_init (void)
);
if (FAILED (hr)) {
dsound_logerr (hr, "Could not create DirectSound instance\n");
g_free(s);
return NULL;
}
@ -901,7 +921,7 @@ static void *dsound_audio_init (void)
if (FAILED (hr)) {
dsound_logerr (hr, "Could not release DirectSound\n");
}
s->dsound = NULL;
g_free(s);
return NULL;
}
@ -941,61 +961,61 @@ static struct audio_option dsound_options[] = {
{
.name = "LOCK_RETRIES",
.tag = AUD_OPT_INT,
.valp = &conf.lock_retries,
.valp = &glob_conf.lock_retries,
.descr = "Number of times to attempt locking the buffer"
},
{
.name = "RESTOURE_RETRIES",
.tag = AUD_OPT_INT,
.valp = &conf.restore_retries,
.valp = &glob_conf.restore_retries,
.descr = "Number of times to attempt restoring the buffer"
},
{
.name = "GETSTATUS_RETRIES",
.tag = AUD_OPT_INT,
.valp = &conf.getstatus_retries,
.valp = &glob_conf.getstatus_retries,
.descr = "Number of times to attempt getting status of the buffer"
},
{
.name = "SET_PRIMARY",
.tag = AUD_OPT_BOOL,
.valp = &conf.set_primary,
.valp = &glob_conf.set_primary,
.descr = "Set the parameters of primary buffer"
},
{
.name = "LATENCY_MILLIS",
.tag = AUD_OPT_INT,
.valp = &conf.latency_millis,
.valp = &glob_conf.latency_millis,
.descr = "(undocumented)"
},
{
.name = "PRIMARY_FREQ",
.tag = AUD_OPT_INT,
.valp = &conf.settings.freq,
.valp = &glob_conf.settings.freq,
.descr = "Primary buffer frequency"
},
{
.name = "PRIMARY_CHANNELS",
.tag = AUD_OPT_INT,
.valp = &conf.settings.nchannels,
.valp = &glob_conf.settings.nchannels,
.descr = "Primary buffer number of channels (1 - mono, 2 - stereo)"
},
{
.name = "PRIMARY_FMT",
.tag = AUD_OPT_FMT,
.valp = &conf.settings.fmt,
.valp = &glob_conf.settings.fmt,
.descr = "Primary buffer format"
},
{
.name = "BUFSIZE_OUT",
.tag = AUD_OPT_INT,
.valp = &conf.bufsize_out,
.valp = &glob_conf.bufsize_out,
.descr = "(undocumented)"
},
{
.name = "BUFSIZE_IN",
.tag = AUD_OPT_INT,
.valp = &conf.bufsize_in,
.valp = &glob_conf.bufsize_in,
.descr = "(undocumented)"
},
{ /* End of list */ }