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-rw-r--r--qemu/audio/paaudio.c954
1 files changed, 0 insertions, 954 deletions
diff --git a/qemu/audio/paaudio.c b/qemu/audio/paaudio.c
deleted file mode 100644
index 57678e72e..000000000
--- a/qemu/audio/paaudio.c
+++ /dev/null
@@ -1,954 +0,0 @@
-/* public domain */
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "audio.h"
-
-#include <pulse/pulseaudio.h>
-
-#define AUDIO_CAP "pulseaudio"
-#include "audio_int.h"
-#include "audio_pt_int.h"
-
-typedef struct {
- int samples;
- char *server;
- char *sink;
- char *source;
-} PAConf;
-
-typedef struct {
- PAConf conf;
- pa_threaded_mainloop *mainloop;
- pa_context *context;
-} paaudio;
-
-typedef struct {
- HWVoiceOut hw;
- int done;
- int live;
- int decr;
- int rpos;
- pa_stream *stream;
- void *pcm_buf;
- struct audio_pt pt;
- paaudio *g;
-} PAVoiceOut;
-
-typedef struct {
- HWVoiceIn hw;
- int done;
- int dead;
- int incr;
- int wpos;
- pa_stream *stream;
- void *pcm_buf;
- struct audio_pt pt;
- const void *read_data;
- size_t read_index, read_length;
- paaudio *g;
-} PAVoiceIn;
-
-static void qpa_audio_fini(void *opaque);
-
-static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
-{
- va_list ap;
-
- va_start (ap, fmt);
- AUD_vlog (AUDIO_CAP, fmt, ap);
- va_end (ap);
-
- AUD_log (AUDIO_CAP, "Reason: %s\n", pa_strerror (err));
-}
-
-#ifndef PA_CONTEXT_IS_GOOD
-static inline int PA_CONTEXT_IS_GOOD(pa_context_state_t x)
-{
- return
- x == PA_CONTEXT_CONNECTING ||
- x == PA_CONTEXT_AUTHORIZING ||
- x == PA_CONTEXT_SETTING_NAME ||
- x == PA_CONTEXT_READY;
-}
-#endif
-
-#ifndef PA_STREAM_IS_GOOD
-static inline int PA_STREAM_IS_GOOD(pa_stream_state_t x)
-{
- return
- x == PA_STREAM_CREATING ||
- x == PA_STREAM_READY;
-}
-#endif
-
-#define CHECK_SUCCESS_GOTO(c, rerror, expression, label) \
- do { \
- if (!(expression)) { \
- if (rerror) { \
- *(rerror) = pa_context_errno ((c)->context); \
- } \
- goto label; \
- } \
- } while (0);
-
-#define CHECK_DEAD_GOTO(c, stream, rerror, label) \
- do { \
- if (!(c)->context || !PA_CONTEXT_IS_GOOD (pa_context_get_state((c)->context)) || \
- !(stream) || !PA_STREAM_IS_GOOD (pa_stream_get_state ((stream)))) { \
- if (((c)->context && pa_context_get_state ((c)->context) == PA_CONTEXT_FAILED) || \
- ((stream) && pa_stream_get_state ((stream)) == PA_STREAM_FAILED)) { \
- if (rerror) { \
- *(rerror) = pa_context_errno ((c)->context); \
- } \
- } else { \
- if (rerror) { \
- *(rerror) = PA_ERR_BADSTATE; \
- } \
- } \
- goto label; \
- } \
- } while (0);
-
-static int qpa_simple_read (PAVoiceIn *p, void *data, size_t length, int *rerror)
-{
- paaudio *g = p->g;
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-
- while (length > 0) {
- size_t l;
-
- while (!p->read_data) {
- int r;
-
- r = pa_stream_peek (p->stream, &p->read_data, &p->read_length);
- CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
-
- if (!p->read_data) {
- pa_threaded_mainloop_wait (g->mainloop);
- CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
- } else {
- p->read_index = 0;
- }
- }
-
- l = p->read_length < length ? p->read_length : length;
- memcpy (data, (const uint8_t *) p->read_data+p->read_index, l);
-
- data = (uint8_t *) data + l;
- length -= l;
-
- p->read_index += l;
- p->read_length -= l;
-
- if (!p->read_length) {
- int r;
-
- r = pa_stream_drop (p->stream);
- p->read_data = NULL;
- p->read_length = 0;
- p->read_index = 0;
-
- CHECK_SUCCESS_GOTO (g, rerror, r == 0, unlock_and_fail);
- }
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
- return 0;
-
-unlock_and_fail:
- pa_threaded_mainloop_unlock (g->mainloop);
- return -1;
-}
-
-static int qpa_simple_write (PAVoiceOut *p, const void *data, size_t length, int *rerror)
-{
- paaudio *g = p->g;
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
-
- while (length > 0) {
- size_t l;
- int r;
-
- while (!(l = pa_stream_writable_size (p->stream))) {
- pa_threaded_mainloop_wait (g->mainloop);
- CHECK_DEAD_GOTO (g, p->stream, rerror, unlock_and_fail);
- }
-
- CHECK_SUCCESS_GOTO (g, rerror, l != (size_t) -1, unlock_and_fail);
-
- if (l > length) {
- l = length;
- }
-
- r = pa_stream_write (p->stream, data, l, NULL, 0LL, PA_SEEK_RELATIVE);
- CHECK_SUCCESS_GOTO (g, rerror, r >= 0, unlock_and_fail);
-
- data = (const uint8_t *) data + l;
- length -= l;
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
- return 0;
-
-unlock_and_fail:
- pa_threaded_mainloop_unlock (g->mainloop);
- return -1;
-}
-
-static void *qpa_thread_out (void *arg)
-{
- PAVoiceOut *pa = arg;
- HWVoiceOut *hw = &pa->hw;
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- for (;;) {
- int decr, to_mix, rpos;
-
- for (;;) {
- if (pa->done) {
- goto exit;
- }
-
- if (pa->live > 0) {
- break;
- }
-
- if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) {
- goto exit;
- }
- }
-
- decr = to_mix = audio_MIN (pa->live, pa->g->conf.samples >> 2);
- rpos = pa->rpos;
-
- if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- while (to_mix) {
- int error;
- int chunk = audio_MIN (to_mix, hw->samples - rpos);
- struct st_sample *src = hw->mix_buf + rpos;
-
- hw->clip (pa->pcm_buf, src, chunk);
-
- if (qpa_simple_write (pa, pa->pcm_buf,
- chunk << hw->info.shift, &error) < 0) {
- qpa_logerr (error, "pa_simple_write failed\n");
- return NULL;
- }
-
- rpos = (rpos + chunk) % hw->samples;
- to_mix -= chunk;
- }
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- pa->rpos = rpos;
- pa->live -= decr;
- pa->decr += decr;
- }
-
- exit:
- audio_pt_unlock (&pa->pt, AUDIO_FUNC);
- return NULL;
-}
-
-static int qpa_run_out (HWVoiceOut *hw, int live)
-{
- int decr;
- PAVoiceOut *pa = (PAVoiceOut *) hw;
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return 0;
- }
-
- decr = audio_MIN (live, pa->decr);
- pa->decr -= decr;
- pa->live = live - decr;
- hw->rpos = pa->rpos;
- if (pa->live > 0) {
- audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
- }
- else {
- audio_pt_unlock (&pa->pt, AUDIO_FUNC);
- }
- return decr;
-}
-
-static int qpa_write (SWVoiceOut *sw, void *buf, int len)
-{
- return audio_pcm_sw_write (sw, buf, len);
-}
-
-/* capture */
-static void *qpa_thread_in (void *arg)
-{
- PAVoiceIn *pa = arg;
- HWVoiceIn *hw = &pa->hw;
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- for (;;) {
- int incr, to_grab, wpos;
-
- for (;;) {
- if (pa->done) {
- goto exit;
- }
-
- if (pa->dead > 0) {
- break;
- }
-
- if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) {
- goto exit;
- }
- }
-
- incr = to_grab = audio_MIN (pa->dead, pa->g->conf.samples >> 2);
- wpos = pa->wpos;
-
- if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- while (to_grab) {
- int error;
- int chunk = audio_MIN (to_grab, hw->samples - wpos);
- void *buf = advance (pa->pcm_buf, wpos);
-
- if (qpa_simple_read (pa, buf,
- chunk << hw->info.shift, &error) < 0) {
- qpa_logerr (error, "pa_simple_read failed\n");
- return NULL;
- }
-
- hw->conv (hw->conv_buf + wpos, buf, chunk);
- wpos = (wpos + chunk) % hw->samples;
- to_grab -= chunk;
- }
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return NULL;
- }
-
- pa->wpos = wpos;
- pa->dead -= incr;
- pa->incr += incr;
- }
-
- exit:
- audio_pt_unlock (&pa->pt, AUDIO_FUNC);
- return NULL;
-}
-
-static int qpa_run_in (HWVoiceIn *hw)
-{
- int live, incr, dead;
- PAVoiceIn *pa = (PAVoiceIn *) hw;
-
- if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
- return 0;
- }
-
- live = audio_pcm_hw_get_live_in (hw);
- dead = hw->samples - live;
- incr = audio_MIN (dead, pa->incr);
- pa->incr -= incr;
- pa->dead = dead - incr;
- hw->wpos = pa->wpos;
- if (pa->dead > 0) {
- audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
- }
- else {
- audio_pt_unlock (&pa->pt, AUDIO_FUNC);
- }
- return incr;
-}
-
-static int qpa_read (SWVoiceIn *sw, void *buf, int len)
-{
- return audio_pcm_sw_read (sw, buf, len);
-}
-
-static pa_sample_format_t audfmt_to_pa (audfmt_e afmt, int endianness)
-{
- int format;
-
- switch (afmt) {
- case AUD_FMT_S8:
- case AUD_FMT_U8:
- format = PA_SAMPLE_U8;
- break;
- case AUD_FMT_S16:
- case AUD_FMT_U16:
- format = endianness ? PA_SAMPLE_S16BE : PA_SAMPLE_S16LE;
- break;
- case AUD_FMT_S32:
- case AUD_FMT_U32:
- format = endianness ? PA_SAMPLE_S32BE : PA_SAMPLE_S32LE;
- break;
- default:
- dolog ("Internal logic error: Bad audio format %d\n", afmt);
- format = PA_SAMPLE_U8;
- break;
- }
- return format;
-}
-
-static audfmt_e pa_to_audfmt (pa_sample_format_t fmt, int *endianness)
-{
- switch (fmt) {
- case PA_SAMPLE_U8:
- return AUD_FMT_U8;
- case PA_SAMPLE_S16BE:
- *endianness = 1;
- return AUD_FMT_S16;
- case PA_SAMPLE_S16LE:
- *endianness = 0;
- return AUD_FMT_S16;
- case PA_SAMPLE_S32BE:
- *endianness = 1;
- return AUD_FMT_S32;
- case PA_SAMPLE_S32LE:
- *endianness = 0;
- return AUD_FMT_S32;
- default:
- dolog ("Internal logic error: Bad pa_sample_format %d\n", fmt);
- return AUD_FMT_U8;
- }
-}
-
-static void context_state_cb (pa_context *c, void *userdata)
-{
- paaudio *g = userdata;
-
- switch (pa_context_get_state(c)) {
- case PA_CONTEXT_READY:
- case PA_CONTEXT_TERMINATED:
- case PA_CONTEXT_FAILED:
- pa_threaded_mainloop_signal (g->mainloop, 0);
- break;
-
- case PA_CONTEXT_UNCONNECTED:
- case PA_CONTEXT_CONNECTING:
- case PA_CONTEXT_AUTHORIZING:
- case PA_CONTEXT_SETTING_NAME:
- break;
- }
-}
-
-static void stream_state_cb (pa_stream *s, void * userdata)
-{
- paaudio *g = userdata;
-
- switch (pa_stream_get_state (s)) {
-
- case PA_STREAM_READY:
- case PA_STREAM_FAILED:
- case PA_STREAM_TERMINATED:
- pa_threaded_mainloop_signal (g->mainloop, 0);
- break;
-
- case PA_STREAM_UNCONNECTED:
- case PA_STREAM_CREATING:
- break;
- }
-}
-
-static void stream_request_cb (pa_stream *s, size_t length, void *userdata)
-{
- paaudio *g = userdata;
-
- pa_threaded_mainloop_signal (g->mainloop, 0);
-}
-
-static pa_stream *qpa_simple_new (
- paaudio *g,
- const char *name,
- pa_stream_direction_t dir,
- const char *dev,
- const pa_sample_spec *ss,
- const pa_channel_map *map,
- const pa_buffer_attr *attr,
- int *rerror)
-{
- int r;
- pa_stream *stream;
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- stream = pa_stream_new (g->context, name, ss, map);
- if (!stream) {
- goto fail;
- }
-
- pa_stream_set_state_callback (stream, stream_state_cb, g);
- pa_stream_set_read_callback (stream, stream_request_cb, g);
- pa_stream_set_write_callback (stream, stream_request_cb, g);
-
- if (dir == PA_STREAM_PLAYBACK) {
- r = pa_stream_connect_playback (stream, dev, attr,
- PA_STREAM_INTERPOLATE_TIMING
-#ifdef PA_STREAM_ADJUST_LATENCY
- |PA_STREAM_ADJUST_LATENCY
-#endif
- |PA_STREAM_AUTO_TIMING_UPDATE, NULL, NULL);
- } else {
- r = pa_stream_connect_record (stream, dev, attr,
- PA_STREAM_INTERPOLATE_TIMING
-#ifdef PA_STREAM_ADJUST_LATENCY
- |PA_STREAM_ADJUST_LATENCY
-#endif
- |PA_STREAM_AUTO_TIMING_UPDATE);
- }
-
- if (r < 0) {
- goto fail;
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
-
- return stream;
-
-fail:
- pa_threaded_mainloop_unlock (g->mainloop);
-
- if (stream) {
- pa_stream_unref (stream);
- }
-
- *rerror = pa_context_errno (g->context);
-
- return NULL;
-}
-
-static int qpa_init_out(HWVoiceOut *hw, struct audsettings *as,
- void *drv_opaque)
-{
- int error;
- pa_sample_spec ss;
- pa_buffer_attr ba;
- struct audsettings obt_as = *as;
- PAVoiceOut *pa = (PAVoiceOut *) hw;
- paaudio *g = pa->g = drv_opaque;
-
- ss.format = audfmt_to_pa (as->fmt, as->endianness);
- ss.channels = as->nchannels;
- ss.rate = as->freq;
-
- /*
- * qemu audio tick runs at 100 Hz (by default), so processing
- * data chunks worth 10 ms of sound should be a good fit.
- */
- ba.tlength = pa_usec_to_bytes (10 * 1000, &ss);
- ba.minreq = pa_usec_to_bytes (5 * 1000, &ss);
- ba.maxlength = -1;
- ba.prebuf = -1;
-
- obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
-
- pa->stream = qpa_simple_new (
- g,
- "qemu",
- PA_STREAM_PLAYBACK,
- g->conf.sink,
- &ss,
- NULL, /* channel map */
- &ba, /* buffering attributes */
- &error
- );
- if (!pa->stream) {
- qpa_logerr (error, "pa_simple_new for playback failed\n");
- goto fail1;
- }
-
- audio_pcm_init_info (&hw->info, &obt_as);
- hw->samples = g->conf.samples;
- pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
- pa->rpos = hw->rpos;
- if (!pa->pcm_buf) {
- dolog ("Could not allocate buffer (%d bytes)\n",
- hw->samples << hw->info.shift);
- goto fail2;
- }
-
- if (audio_pt_init (&pa->pt, qpa_thread_out, hw, AUDIO_CAP, AUDIO_FUNC)) {
- goto fail3;
- }
-
- return 0;
-
- fail3:
- g_free (pa->pcm_buf);
- pa->pcm_buf = NULL;
- fail2:
- if (pa->stream) {
- pa_stream_unref (pa->stream);
- pa->stream = NULL;
- }
- fail1:
- return -1;
-}
-
-static int qpa_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
-{
- int error;
- pa_sample_spec ss;
- struct audsettings obt_as = *as;
- PAVoiceIn *pa = (PAVoiceIn *) hw;
- paaudio *g = pa->g = drv_opaque;
-
- ss.format = audfmt_to_pa (as->fmt, as->endianness);
- ss.channels = as->nchannels;
- ss.rate = as->freq;
-
- obt_as.fmt = pa_to_audfmt (ss.format, &obt_as.endianness);
-
- pa->stream = qpa_simple_new (
- g,
- "qemu",
- PA_STREAM_RECORD,
- g->conf.source,
- &ss,
- NULL, /* channel map */
- NULL, /* buffering attributes */
- &error
- );
- if (!pa->stream) {
- qpa_logerr (error, "pa_simple_new for capture failed\n");
- goto fail1;
- }
-
- audio_pcm_init_info (&hw->info, &obt_as);
- hw->samples = g->conf.samples;
- pa->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
- pa->wpos = hw->wpos;
- if (!pa->pcm_buf) {
- dolog ("Could not allocate buffer (%d bytes)\n",
- hw->samples << hw->info.shift);
- goto fail2;
- }
-
- if (audio_pt_init (&pa->pt, qpa_thread_in, hw, AUDIO_CAP, AUDIO_FUNC)) {
- goto fail3;
- }
-
- return 0;
-
- fail3:
- g_free (pa->pcm_buf);
- pa->pcm_buf = NULL;
- fail2:
- if (pa->stream) {
- pa_stream_unref (pa->stream);
- pa->stream = NULL;
- }
- fail1:
- return -1;
-}
-
-static void qpa_fini_out (HWVoiceOut *hw)
-{
- void *ret;
- PAVoiceOut *pa = (PAVoiceOut *) hw;
-
- audio_pt_lock (&pa->pt, AUDIO_FUNC);
- pa->done = 1;
- audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
- audio_pt_join (&pa->pt, &ret, AUDIO_FUNC);
-
- if (pa->stream) {
- pa_stream_unref (pa->stream);
- pa->stream = NULL;
- }
-
- audio_pt_fini (&pa->pt, AUDIO_FUNC);
- g_free (pa->pcm_buf);
- pa->pcm_buf = NULL;
-}
-
-static void qpa_fini_in (HWVoiceIn *hw)
-{
- void *ret;
- PAVoiceIn *pa = (PAVoiceIn *) hw;
-
- audio_pt_lock (&pa->pt, AUDIO_FUNC);
- pa->done = 1;
- audio_pt_unlock_and_signal (&pa->pt, AUDIO_FUNC);
- audio_pt_join (&pa->pt, &ret, AUDIO_FUNC);
-
- if (pa->stream) {
- pa_stream_unref (pa->stream);
- pa->stream = NULL;
- }
-
- audio_pt_fini (&pa->pt, AUDIO_FUNC);
- g_free (pa->pcm_buf);
- pa->pcm_buf = NULL;
-}
-
-static int qpa_ctl_out (HWVoiceOut *hw, int cmd, ...)
-{
- PAVoiceOut *pa = (PAVoiceOut *) hw;
- pa_operation *op;
- pa_cvolume v;
- paaudio *g = pa->g;
-
-#ifdef PA_CHECK_VERSION /* macro is present in 0.9.16+ */
- pa_cvolume_init (&v); /* function is present in 0.9.13+ */
-#endif
-
- switch (cmd) {
- case VOICE_VOLUME:
- {
- SWVoiceOut *sw;
- va_list ap;
-
- va_start (ap, cmd);
- sw = va_arg (ap, SWVoiceOut *);
- va_end (ap);
-
- v.channels = 2;
- v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
- v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- op = pa_context_set_sink_input_volume (g->context,
- pa_stream_get_index (pa->stream),
- &v, NULL, NULL);
- if (!op)
- qpa_logerr (pa_context_errno (g->context),
- "set_sink_input_volume() failed\n");
- else
- pa_operation_unref (op);
-
- op = pa_context_set_sink_input_mute (g->context,
- pa_stream_get_index (pa->stream),
- sw->vol.mute, NULL, NULL);
- if (!op) {
- qpa_logerr (pa_context_errno (g->context),
- "set_sink_input_mute() failed\n");
- } else {
- pa_operation_unref (op);
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
- }
- }
- return 0;
-}
-
-static int qpa_ctl_in (HWVoiceIn *hw, int cmd, ...)
-{
- PAVoiceIn *pa = (PAVoiceIn *) hw;
- pa_operation *op;
- pa_cvolume v;
- paaudio *g = pa->g;
-
-#ifdef PA_CHECK_VERSION
- pa_cvolume_init (&v);
-#endif
-
- switch (cmd) {
- case VOICE_VOLUME:
- {
- SWVoiceIn *sw;
- va_list ap;
-
- va_start (ap, cmd);
- sw = va_arg (ap, SWVoiceIn *);
- va_end (ap);
-
- v.channels = 2;
- v.values[0] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.l) / UINT32_MAX;
- v.values[1] = ((PA_VOLUME_NORM - PA_VOLUME_MUTED) * sw->vol.r) / UINT32_MAX;
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- /* FIXME: use the upcoming "set_source_output_{volume,mute}" */
- op = pa_context_set_source_volume_by_index (g->context,
- pa_stream_get_device_index (pa->stream),
- &v, NULL, NULL);
- if (!op) {
- qpa_logerr (pa_context_errno (g->context),
- "set_source_volume() failed\n");
- } else {
- pa_operation_unref(op);
- }
-
- op = pa_context_set_source_mute_by_index (g->context,
- pa_stream_get_index (pa->stream),
- sw->vol.mute, NULL, NULL);
- if (!op) {
- qpa_logerr (pa_context_errno (g->context),
- "set_source_mute() failed\n");
- } else {
- pa_operation_unref (op);
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
- }
- }
- return 0;
-}
-
-/* common */
-static PAConf glob_conf = {
- .samples = 4096,
-};
-
-static void *qpa_audio_init (void)
-{
- paaudio *g = g_malloc(sizeof(paaudio));
- g->conf = glob_conf;
- g->mainloop = NULL;
- g->context = NULL;
-
- g->mainloop = pa_threaded_mainloop_new ();
- if (!g->mainloop) {
- goto fail;
- }
-
- g->context = pa_context_new (pa_threaded_mainloop_get_api (g->mainloop),
- g->conf.server);
- if (!g->context) {
- goto fail;
- }
-
- pa_context_set_state_callback (g->context, context_state_cb, g);
-
- if (pa_context_connect (g->context, g->conf.server, 0, NULL) < 0) {
- qpa_logerr (pa_context_errno (g->context),
- "pa_context_connect() failed\n");
- goto fail;
- }
-
- pa_threaded_mainloop_lock (g->mainloop);
-
- if (pa_threaded_mainloop_start (g->mainloop) < 0) {
- goto unlock_and_fail;
- }
-
- for (;;) {
- pa_context_state_t state;
-
- state = pa_context_get_state (g->context);
-
- if (state == PA_CONTEXT_READY) {
- break;
- }
-
- if (!PA_CONTEXT_IS_GOOD (state)) {
- qpa_logerr (pa_context_errno (g->context),
- "Wrong context state\n");
- goto unlock_and_fail;
- }
-
- /* Wait until the context is ready */
- pa_threaded_mainloop_wait (g->mainloop);
- }
-
- pa_threaded_mainloop_unlock (g->mainloop);
-
- return g;
-
-unlock_and_fail:
- pa_threaded_mainloop_unlock (g->mainloop);
-fail:
- AUD_log (AUDIO_CAP, "Failed to initialize PA context");
- qpa_audio_fini(g);
- return NULL;
-}
-
-static void qpa_audio_fini (void *opaque)
-{
- paaudio *g = opaque;
-
- if (g->mainloop) {
- pa_threaded_mainloop_stop (g->mainloop);
- }
-
- if (g->context) {
- pa_context_disconnect (g->context);
- pa_context_unref (g->context);
- }
-
- if (g->mainloop) {
- pa_threaded_mainloop_free (g->mainloop);
- }
-
- g_free(g);
-}
-
-struct audio_option qpa_options[] = {
- {
- .name = "SAMPLES",
- .tag = AUD_OPT_INT,
- .valp = &glob_conf.samples,
- .descr = "buffer size in samples"
- },
- {
- .name = "SERVER",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.server,
- .descr = "server address"
- },
- {
- .name = "SINK",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.sink,
- .descr = "sink device name"
- },
- {
- .name = "SOURCE",
- .tag = AUD_OPT_STR,
- .valp = &glob_conf.source,
- .descr = "source device name"
- },
- { /* End of list */ }
-};
-
-static struct audio_pcm_ops qpa_pcm_ops = {
- .init_out = qpa_init_out,
- .fini_out = qpa_fini_out,
- .run_out = qpa_run_out,
- .write = qpa_write,
- .ctl_out = qpa_ctl_out,
-
- .init_in = qpa_init_in,
- .fini_in = qpa_fini_in,
- .run_in = qpa_run_in,
- .read = qpa_read,
- .ctl_in = qpa_ctl_in
-};
-
-struct audio_driver pa_audio_driver = {
- .name = "pa",
- .descr = "http://www.pulseaudio.org/",
- .options = qpa_options,
- .init = qpa_audio_init,
- .fini = qpa_audio_fini,
- .pcm_ops = &qpa_pcm_ops,
- .can_be_default = 1,
- .max_voices_out = INT_MAX,
- .max_voices_in = INT_MAX,
- .voice_size_out = sizeof (PAVoiceOut),
- .voice_size_in = sizeof (PAVoiceIn),
- .ctl_caps = VOICE_VOLUME_CAP
-};