*/
#ifdef DAC
+#define NAME "playback"
+#define HWBUF hw->mix_buf
#define TYPE out
-#define HW glue (HWVoice, Out)
-#define SW glue (SWVoice, Out)
+#define HW HWVoiceOut
+#define SW SWVoiceOut
#else
+#define NAME "capture"
#define TYPE in
-#define HW glue (HWVoice, In)
-#define SW glue (SWVoice, In)
+#define HW HWVoiceIn
+#define SW SWVoiceIn
+#define HWBUF hw->conv_buf
#endif
-static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
+static void glue (audio_init_nb_voices_, TYPE) (struct audio_driver *drv)
{
- glue (audio_pcm_sw_free_resources_, TYPE) (sw);
- if (sw->name) {
- qemu_free (sw->name);
- sw->name = NULL;
+ AudioState *s = &glob_audio_state;
+ int max_voices = glue (drv->max_voices_, TYPE);
+ int voice_size = glue (drv->voice_size_, TYPE);
+
+ if (glue (s->nb_hw_voices_, TYPE) > max_voices) {
+ if (!max_voices) {
+#ifdef DAC
+ dolog ("Driver `%s' does not support " NAME "\n", drv->name);
+#endif
+ }
+ else {
+ dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
+ drv->name,
+ glue (s->nb_hw_voices_, TYPE),
+ max_voices);
+ }
+ glue (s->nb_hw_voices_, TYPE) = max_voices;
+ }
+
+ if (audio_bug (AUDIO_FUNC, !voice_size && max_voices)) {
+ dolog ("drv=`%s' voice_size=0 max_voices=%d\n",
+ drv->name, max_voices);
+ glue (s->nb_hw_voices_, TYPE) = 0;
+ }
+
+ if (audio_bug (AUDIO_FUNC, voice_size && !max_voices)) {
+ dolog ("drv=`%s' voice_size=%d max_voices=0\n",
+ drv->name, voice_size);
}
}
-static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
+static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
{
- LIST_INSERT_HEAD (&hw->sw_head, sw, entries);
+ if (HWBUF) {
+ g_free (HWBUF);
+ }
+
+ HWBUF = NULL;
}
-static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
+static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw)
{
- LIST_REMOVE (sw, entries);
+ HWBUF = audio_calloc (AUDIO_FUNC, hw->samples, sizeof (struct st_sample));
+ if (!HWBUF) {
+ dolog ("Could not allocate " NAME " buffer (%d samples)\n",
+ hw->samples);
+ return -1;
+ }
+
+ return 0;
}
-static void glue (audio_pcm_hw_fini_, TYPE) (HW *hw)
+static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
{
- if (hw->active) {
- glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
- glue (hw->pcm_ops->fini_, TYPE) (hw);
- memset (hw, 0, glue (audio_state.drv->voice_size_, TYPE));
+ if (sw->buf) {
+ g_free (sw->buf);
}
+
+ if (sw->rate) {
+ st_rate_stop (sw->rate);
+ }
+
+ sw->buf = NULL;
+ sw->rate = NULL;
}
-static void glue (audio_pcm_hw_gc_, TYPE) (HW *hw)
+static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
{
- if (!hw->sw_head.lh_first) {
- glue (audio_pcm_hw_fini_, TYPE) (hw);
+ int samples;
+
+ samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;
+
+ sw->buf = audio_calloc (AUDIO_FUNC, samples, sizeof (struct st_sample));
+ if (!sw->buf) {
+ dolog ("Could not allocate buffer for `%s' (%d samples)\n",
+ SW_NAME (sw), samples);
+ return -1;
+ }
+
+#ifdef DAC
+ sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
+#else
+ sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
+#endif
+ if (!sw->rate) {
+ g_free (sw->buf);
+ sw->buf = NULL;
+ return -1;
}
+ return 0;
}
-static HW *glue (audio_pcm_hw_find_any_, TYPE) (HW *hw)
+static int glue (audio_pcm_sw_init_, TYPE) (
+ SW *sw,
+ HW *hw,
+ const char *name,
+ struct audsettings *as
+ )
{
- return hw ? hw->entries.le_next : glue (hw_head_, TYPE).lh_first;
+ int err;
+
+ audio_pcm_init_info (&sw->info, as);
+ sw->hw = hw;
+ sw->active = 0;
+#ifdef DAC
+ sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
+ sw->total_hw_samples_mixed = 0;
+ sw->empty = 1;
+#else
+ sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
+#endif
+
+#ifdef DAC
+ sw->conv = mixeng_conv
+#else
+ sw->clip = mixeng_clip
+#endif
+ [sw->info.nchannels == 2]
+ [sw->info.sign]
+ [sw->info.swap_endianness]
+ [audio_bits_to_index (sw->info.bits)];
+
+ sw->name = g_strdup (name);
+ err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
+ if (err) {
+ g_free (sw->name);
+ sw->name = NULL;
+ }
+ return err;
}
-static HW *glue (audio_pcm_hw_find_any_active_, TYPE) (HW *hw)
+static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
{
- while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
- if (hw->active) {
- return hw;
- }
+ glue (audio_pcm_sw_free_resources_, TYPE) (sw);
+ if (sw->name) {
+ g_free (sw->name);
+ sw->name = NULL;
}
- return NULL;
}
-static HW *glue (audio_pcm_hw_find_any_active_enabled_, TYPE) (HW *hw)
+static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
{
- while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
- if (hw->active && hw->enabled) {
- return hw;
- }
+ QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
+}
+
+static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
+{
+ QLIST_REMOVE (sw, entries);
+}
+
+static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
+{
+ AudioState *s = &glob_audio_state;
+ HW *hw = *hwp;
+
+ if (!hw->sw_head.lh_first) {
+#ifdef DAC
+ audio_detach_capture (hw);
+#endif
+ QLIST_REMOVE (hw, entries);
+ glue (s->nb_hw_voices_, TYPE) += 1;
+ glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
+ glue (hw->pcm_ops->fini_, TYPE) (hw);
+ g_free (hw);
+ *hwp = NULL;
}
- return NULL;
}
-static HW *glue (audio_pcm_hw_find_any_passive_, TYPE) (HW *hw)
+static HW *glue (audio_pcm_hw_find_any_, TYPE) (HW *hw)
+{
+ AudioState *s = &glob_audio_state;
+ return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
+}
+
+static HW *glue (audio_pcm_hw_find_any_enabled_, TYPE) (HW *hw)
{
while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
- if (!hw->active) {
+ if (hw->enabled) {
return hw;
}
}
static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
HW *hw,
- int freq,
- int nchannels,
- audfmt_e fmt
+ struct audsettings *as
)
{
- while ((hw = glue (audio_pcm_hw_find_any_active_, TYPE) (hw))) {
- if (audio_pcm_info_eq (&hw->info, freq, nchannels, fmt)) {
+ while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
+ if (audio_pcm_info_eq (&hw->info, as)) {
return hw;
}
}
return NULL;
}
-static HW *glue (audio_pcm_hw_add_new_, TYPE) (
- int freq,
- int nchannels,
- audfmt_e fmt
- )
+static HW *glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings *as)
{
HW *hw;
+ AudioState *s = &glob_audio_state;
+ struct audio_driver *drv = s->drv;
- hw = glue (audio_pcm_hw_find_any_passive_, TYPE) (NULL);
- if (hw) {
- hw->pcm_ops = audio_state.drv->pcm_ops;
- if (!hw->pcm_ops) {
- return NULL;
- }
+ if (!glue (s->nb_hw_voices_, TYPE)) {
+ return NULL;
+ }
- if (glue (audio_pcm_hw_init_, TYPE) (hw, freq, nchannels, fmt)) {
- glue (audio_pcm_hw_gc_, TYPE) (hw);
- return NULL;
- }
- else {
- return hw;
- }
+ if (audio_bug (AUDIO_FUNC, !drv)) {
+ dolog ("No host audio driver\n");
+ return NULL;
}
+ if (audio_bug (AUDIO_FUNC, !drv->pcm_ops)) {
+ dolog ("Host audio driver without pcm_ops\n");
+ return NULL;
+ }
+
+ hw = audio_calloc (AUDIO_FUNC, 1, glue (drv->voice_size_, TYPE));
+ if (!hw) {
+ dolog ("Can not allocate voice `%s' size %d\n",
+ drv->name, glue (drv->voice_size_, TYPE));
+ return NULL;
+ }
+
+ hw->pcm_ops = drv->pcm_ops;
+ hw->ctl_caps = drv->ctl_caps;
+
+ QLIST_INIT (&hw->sw_head);
+#ifdef DAC
+ QLIST_INIT (&hw->cap_head);
+#endif
+ if (glue (hw->pcm_ops->init_, TYPE) (hw, as)) {
+ goto err0;
+ }
+
+ if (audio_bug (AUDIO_FUNC, hw->samples <= 0)) {
+ dolog ("hw->samples=%d\n", hw->samples);
+ goto err1;
+ }
+
+#ifdef DAC
+ hw->clip = mixeng_clip
+#else
+ hw->conv = mixeng_conv
+#endif
+ [hw->info.nchannels == 2]
+ [hw->info.sign]
+ [hw->info.swap_endianness]
+ [audio_bits_to_index (hw->info.bits)];
+
+ if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
+ goto err1;
+ }
+
+ QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
+ glue (s->nb_hw_voices_, TYPE) -= 1;
+#ifdef DAC
+ audio_attach_capture (hw);
+#endif
+ return hw;
+
+ err1:
+ glue (hw->pcm_ops->fini_, TYPE) (hw);
+ err0:
+ g_free (hw);
return NULL;
}
-static HW *glue (audio_pcm_hw_add_, TYPE) (
- int freq,
- int nchannels,
- audfmt_e fmt
- )
+static HW *glue (audio_pcm_hw_add_, TYPE) (struct audsettings *as)
{
HW *hw;
- if (glue (audio_state.greedy_, TYPE)) {
- hw = glue (audio_pcm_hw_add_new_, TYPE) (freq, nchannels, fmt);
+ if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
+ hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
if (hw) {
return hw;
}
}
- hw = glue (audio_pcm_hw_find_specific_, TYPE) (NULL, freq, nchannels, fmt);
+ hw = glue (audio_pcm_hw_find_specific_, TYPE) (NULL, as);
if (hw) {
return hw;
}
- hw = glue (audio_pcm_hw_add_new_, TYPE) (freq, nchannels, fmt);
+ hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
if (hw) {
return hw;
}
- return glue (audio_pcm_hw_find_any_active_, TYPE) (NULL);
+ return glue (audio_pcm_hw_find_any_, TYPE) (NULL);
}
static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
- const char *name,
- int freq,
- int nchannels,
- audfmt_e fmt
+ const char *sw_name,
+ struct audsettings *as
)
{
SW *sw;
HW *hw;
- int hw_freq = freq;
- int hw_nchannels = nchannels;
- int hw_fmt = fmt;
+ struct audsettings hw_as;
- if (glue (audio_state.fixed_settings_, TYPE)) {
- hw_freq = glue (audio_state.fixed_freq_, TYPE);
- hw_nchannels = glue (audio_state.fixed_channels_, TYPE);
- hw_fmt = glue (audio_state.fixed_fmt_, TYPE);
+ if (glue (conf.fixed_, TYPE).enabled) {
+ hw_as = glue (conf.fixed_, TYPE).settings;
+ }
+ else {
+ hw_as = *as;
}
- sw = qemu_mallocz (sizeof (*sw));
+ sw = audio_calloc (AUDIO_FUNC, 1, sizeof (*sw));
if (!sw) {
+ dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
+ sw_name ? sw_name : "unknown", sizeof (*sw));
goto err1;
}
- hw = glue (audio_pcm_hw_add_, TYPE) (hw_freq, hw_nchannels, hw_fmt);
+ hw = glue (audio_pcm_hw_add_, TYPE) (&hw_as);
if (!hw) {
goto err2;
}
glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
- if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, freq, nchannels, fmt)) {
+ if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
goto err3;
}
err3:
glue (audio_pcm_hw_del_sw_, TYPE) (sw);
- glue (audio_pcm_hw_gc_, TYPE) (hw);
+ glue (audio_pcm_hw_gc_, TYPE) (&hw);
err2:
- qemu_free (sw);
+ g_free (sw);
err1:
return NULL;
}
-void glue (AUD_close_, TYPE) (SW *sw)
+static void glue (audio_close_, TYPE) (SW *sw)
+{
+ glue (audio_pcm_sw_fini_, TYPE) (sw);
+ glue (audio_pcm_hw_del_sw_, TYPE) (sw);
+ glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
+ g_free (sw);
+}
+
+void glue (AUD_close_, TYPE) (QEMUSoundCard *card, SW *sw)
{
if (sw) {
- glue (audio_pcm_sw_fini_, TYPE) (sw);
- glue (audio_pcm_hw_del_sw_, TYPE) (sw);
- glue (audio_pcm_hw_gc_, TYPE) (sw->hw);
- qemu_free (sw);
+ if (audio_bug (AUDIO_FUNC, !card)) {
+ dolog ("card=%p\n", card);
+ return;
+ }
+
+ glue (audio_close_, TYPE) (sw);
}
}
SW *glue (AUD_open_, TYPE) (
+ QEMUSoundCard *card,
SW *sw,
const char *name,
void *callback_opaque ,
- audio_callback_fn_t callback_fn,
- int freq,
- int nchannels,
- audfmt_e fmt
+ audio_callback_fn callback_fn,
+ struct audsettings *as
)
{
+ AudioState *s = &glob_audio_state;
#ifdef DAC
int live = 0;
SW *old_sw = NULL;
#endif
- if (!callback_fn) {
- dolog ("No callback specifed for voice `%s'\n", name);
+ if (audio_bug (AUDIO_FUNC, !card || !name || !callback_fn || !as)) {
+ dolog ("card=%p name=%p callback_fn=%p as=%p\n",
+ card, name, callback_fn, as);
goto fail;
}
- if (nchannels != 1 && nchannels != 2) {
- dolog ("Bogus channel count %d for voice `%s'\n", nchannels, name);
+ ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
+ name, as->freq, as->nchannels, as->fmt);
+
+ if (audio_bug (AUDIO_FUNC, audio_validate_settings (as))) {
+ audio_print_settings (as);
goto fail;
}
- if (!audio_state.drv) {
- dolog ("No audio driver defined\n");
+ if (audio_bug (AUDIO_FUNC, !s->drv)) {
+ dolog ("Can not open `%s' (no host audio driver)\n", name);
goto fail;
}
- if (sw && audio_pcm_info_eq (&sw->info, freq, nchannels, fmt)) {
+ if (sw && audio_pcm_info_eq (&sw->info, as)) {
return sw;
}
#ifdef DAC
- if (audio_state.plive && sw && (!sw->active && !sw->empty)) {
+ if (conf.plive && sw && (!sw->active && !sw->empty)) {
live = sw->total_hw_samples_mixed;
#ifdef DEBUG_PLIVE
- dolog ("Replacing voice %s with %d live samples\n", sw->name, live);
+ dolog ("Replacing voice %s with %d live samples\n", SW_NAME (sw), live);
dolog ("Old %s freq %d, bits %d, channels %d\n",
- sw->name, sw->info.freq, sw->info.bits, sw->info.nchannels);
+ SW_NAME (sw), sw->info.freq, sw->info.bits, sw->info.nchannels);
dolog ("New %s freq %d, bits %d, channels %d\n",
- name, freq, (fmt == AUD_FMT_S16 || fmt == AUD_FMT_U16) ? 16 : 8,
- nchannels);
+ name,
+ as->freq,
+ (as->fmt == AUD_FMT_S16 || as->fmt == AUD_FMT_U16) ? 16 : 8,
+ as->nchannels);
#endif
if (live) {
}
#endif
- if (!glue (audio_state.fixed_settings_, TYPE) && sw) {
- glue (AUD_close_, TYPE) (sw);
+ if (!glue (conf.fixed_, TYPE).enabled && sw) {
+ glue (AUD_close_, TYPE) (card, sw);
sw = NULL;
}
HW *hw = sw->hw;
if (!hw) {
- dolog ("Internal logic error voice %s has no hardware store\n",
- name);
+ dolog ("Internal logic error voice `%s' has no hardware store\n",
+ SW_NAME (sw));
goto fail;
}
- if (glue (audio_pcm_sw_init_, TYPE) (
- sw,
- hw,
- name,
- freq,
- nchannels,
- fmt
- )) {
+ glue (audio_pcm_sw_fini_, TYPE) (sw);
+ if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
goto fail;
}
}
else {
- sw = glue (audio_pcm_create_voice_pair_, TYPE) (
- name,
- freq,
- nchannels,
- fmt);
+ sw = glue (audio_pcm_create_voice_pair_, TYPE) (name, as);
if (!sw) {
- dolog ("Failed to create voice %s\n", name);
- goto fail;
+ dolog ("Failed to create voice `%s'\n", name);
+ return NULL;
}
}
- if (sw) {
- sw->vol = nominal_volume;
- sw->callback.fn = callback_fn;
- sw->callback.opaque = callback_opaque;
+ sw->card = card;
+ sw->vol = nominal_volume;
+ sw->callback.fn = callback_fn;
+ sw->callback.opaque = callback_opaque;
#ifdef DAC
- if (live) {
- int mixed =
- (live << old_sw->info.shift)
- * old_sw->info.bytes_per_second
- / sw->info.bytes_per_second;
+ if (live) {
+ int mixed =
+ (live << old_sw->info.shift)
+ * old_sw->info.bytes_per_second
+ / sw->info.bytes_per_second;
#ifdef DEBUG_PLIVE
- dolog ("Silence will be mixed %d\n", mixed);
+ dolog ("Silence will be mixed %d\n", mixed);
#endif
- sw->total_hw_samples_mixed += mixed;
- }
+ sw->total_hw_samples_mixed += mixed;
+ }
#endif
#ifdef DEBUG_AUDIO
- dolog ("%s\n", name);
- audio_pcm_print_info ("hw", &sw->hw->info);
- audio_pcm_print_info ("sw", &sw->info);
+ dolog ("%s\n", name);
+ audio_pcm_print_info ("hw", &sw->hw->info);
+ audio_pcm_print_info ("sw", &sw->info);
#endif
- }
return sw;
fail:
- glue (AUD_close_, TYPE) (sw);
+ glue (AUD_close_, TYPE) (card, sw);
return NULL;
}
ts->old_ts = sw->hw->ts_helper;
}
-uint64_t glue (AUD_time_stamp_get_elapsed_usec_, TYPE) (
- SW *sw,
- QEMUAudioTimeStamp *ts
- )
+uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
{
uint64_t delta, cur_ts, old_ts;
cur_ts = sw->hw->ts_helper;
old_ts = ts->old_ts;
- /* dolog ("cur %lld old %lld\n", cur_ts, old_ts); */
+ /* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
if (cur_ts >= old_ts) {
delta = cur_ts - old_ts;
return 0;
}
- return (delta * sw->hw->info.freq) / 1000000;
+ return muldiv64 (delta, sw->hw->info.freq, 1000000);
}
#undef TYPE
#undef HW
#undef SW
+#undef HWBUF
+#undef NAME