diff options
| -rw-r--r-- | audio/Makefile.objs | 2 | ||||
| -rw-r--r-- | audio/alsaaudio.c | 2 | ||||
| -rw-r--r-- | audio/audio.c | 630 | ||||
| -rw-r--r-- | audio/audio.h | 18 | ||||
| -rw-r--r-- | audio/audio_int.h | 20 | ||||
| -rw-r--r-- | audio/audio_legacy.c | 293 | ||||
| -rw-r--r-- | audio/audio_template.h | 42 | ||||
| -rw-r--r-- | audio/coreaudio.c | 2 | ||||
| -rw-r--r-- | audio/dsoundaudio.c | 2 | ||||
| -rw-r--r-- | audio/noaudio.c | 2 | ||||
| -rw-r--r-- | audio/ossaudio.c | 2 | ||||
| -rw-r--r-- | audio/paaudio.c | 2 | ||||
| -rw-r--r-- | audio/sdlaudio.c | 2 | ||||
| -rw-r--r-- | audio/spiceaudio.c | 2 | ||||
| -rw-r--r-- | audio/wavaudio.c | 2 | ||||
| -rw-r--r-- | vl.c | 7 |
16 files changed, 650 insertions, 380 deletions
diff --git a/audio/Makefile.objs b/audio/Makefile.objs index db4fa7f18f..dca87f6347 100644 --- a/audio/Makefile.objs +++ b/audio/Makefile.objs @@ -1,4 +1,4 @@ -common-obj-y = audio.o noaudio.o wavaudio.o mixeng.o +common-obj-y = audio.o audio_legacy.o noaudio.o wavaudio.o mixeng.o common-obj-$(CONFIG_SPICE) += spiceaudio.o common-obj-$(CONFIG_AUDIO_COREAUDIO) += coreaudio.o common-obj-$(CONFIG_AUDIO_DSOUND) += dsoundaudio.o diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index 5bd034267f..8302f3e882 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -1125,7 +1125,7 @@ static ALSAConf glob_conf = { .pcm_name_in = "default", }; -static void *alsa_audio_init (void) +static void *alsa_audio_init(Audiodev *dev) { ALSAConf *conf = g_malloc(sizeof(ALSAConf)); *conf = glob_conf; diff --git a/audio/audio.c b/audio/audio.c index 77216e5010..79ed360666 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -26,6 +26,9 @@ #include "audio.h" #include "monitor/monitor.h" #include "qemu/timer.h" +#include "qapi/error.h" +#include "qapi/qobject-input-visitor.h" +#include "qapi/qapi-visit-audio.h" #include "sysemu/sysemu.h" #include "qemu/cutils.h" #include "sysemu/replay.h" @@ -46,14 +49,16 @@ The 1st one is the one used by default, that is the reason that we generate the list. */ -static const char *audio_prio_list[] = { +const char *audio_prio_list[] = { "spice", CONFIG_AUDIO_DRIVERS "none", "wav", + NULL }; static QLIST_HEAD(, audio_driver) audio_drivers; +static AudiodevListHead audiodevs = QSIMPLEQ_HEAD_INITIALIZER(audiodevs); void audio_driver_register(audio_driver *drv) { @@ -80,61 +85,6 @@ audio_driver *audio_driver_lookup(const char *name) return NULL; } -static void audio_module_load_all(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(audio_prio_list); i++) { - audio_driver_lookup(audio_prio_list[i]); - } -} - -struct fixed_settings { - int enabled; - int nb_voices; - int greedy; - struct audsettings settings; -}; - -static struct { - struct fixed_settings fixed_out; - struct fixed_settings fixed_in; - union { - int hertz; - int64_t ticks; - } period; - int try_poll_in; - int try_poll_out; -} conf = { - .fixed_out = { /* DAC fixed settings */ - .enabled = 1, - .nb_voices = 1, - .greedy = 1, - .settings = { - .freq = 44100, - .nchannels = 2, - .fmt = AUDIO_FORMAT_S16, - .endianness = AUDIO_HOST_ENDIANNESS, - } - }, - - .fixed_in = { /* ADC fixed settings */ - .enabled = 1, - .nb_voices = 1, - .greedy = 1, - .settings = { - .freq = 44100, - .nchannels = 2, - .fmt = AUDIO_FORMAT_S16, - .endianness = AUDIO_HOST_ENDIANNESS, - } - }, - - .period = { .hertz = 100 }, - .try_poll_in = 1, - .try_poll_out = 1, -}; - static AudioState glob_audio_state; const struct mixeng_volume nominal_volume = { @@ -151,9 +101,6 @@ const struct mixeng_volume nominal_volume = { #ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED #error No its not #else -static void audio_print_options (const char *prefix, - struct audio_option *opt); - int audio_bug (const char *funcname, int cond) { if (cond) { @@ -161,16 +108,9 @@ int audio_bug (const char *funcname, int cond) AUD_log (NULL, "A bug was just triggered in %s\n", funcname); if (!shown) { - struct audio_driver *d; - shown = 1; AUD_log (NULL, "Save all your work and restart without audio\n"); - AUD_log (NULL, "Please send bug report to av1474@comtv.ru\n"); AUD_log (NULL, "I am sorry\n"); - d = glob_audio_state.drv; - if (d) { - audio_print_options (d->name, d->options); - } } AUD_log (NULL, "Context:\n"); @@ -232,31 +172,6 @@ void *audio_calloc (const char *funcname, int nmemb, size_t size) return g_malloc0 (len); } -static char *audio_alloc_prefix (const char *s) -{ - const char qemu_prefix[] = "QEMU_"; - size_t len, i; - char *r, *u; - - if (!s) { - return NULL; - } - - len = strlen (s); - r = g_malloc (len + sizeof (qemu_prefix)); - - u = r + sizeof (qemu_prefix) - 1; - - pstrcpy (r, len + sizeof (qemu_prefix), qemu_prefix); - pstrcat (r, len + sizeof (qemu_prefix), s); - - for (i = 0; i < len; ++i) { - u[i] = qemu_toupper(u[i]); - } - - return r; -} - static const char *audio_audfmt_to_string (AudioFormat fmt) { switch (fmt) { @@ -382,78 +297,6 @@ void AUD_log (const char *cap, const char *fmt, ...) va_end (ap); } -static void audio_print_options (const char *prefix, - struct audio_option *opt) -{ - char *uprefix; - - if (!prefix) { - dolog ("No prefix specified\n"); - return; - } - - if (!opt) { - dolog ("No options\n"); - return; - } - - uprefix = audio_alloc_prefix (prefix); - - for (; opt->name; opt++) { - const char *state = "default"; - printf (" %s_%s: ", uprefix, opt->name); - - if (opt->overriddenp && *opt->overriddenp) { - state = "current"; - } - - switch (opt->tag) { - case AUD_OPT_BOOL: - { - int *intp = opt->valp; - printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); - } - break; - - case AUD_OPT_INT: - { - int *intp = opt->valp; - printf ("integer, %s = %d\n", state, *intp); - } - break; - - case AUD_OPT_FMT: - { - AudioFormat *fmtp = opt->valp; - printf ( - "format, %s = %s, (one of: U8 S8 U16 S16 U32 S32)\n", - state, - audio_audfmt_to_string (*fmtp) - ); - } - break; - - case AUD_OPT_STR: - { - const char **strp = opt->valp; - printf ("string, %s = %s\n", - state, - *strp ? *strp : "(not set)"); - } - break; - - default: - printf ("???\n"); - dolog ("Bad value tag for option %s_%s %d\n", - uprefix, opt->name, opt->tag); - break; - } - printf (" %s\n", opt->descr); - } - - g_free (uprefix); -} - static void audio_process_options (const char *prefix, struct audio_option *opt) { @@ -1141,11 +984,11 @@ static void audio_reset_timer (AudioState *s) { if (audio_is_timer_needed ()) { timer_mod_anticipate_ns(s->ts, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + conf.period.ticks); + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + s->period_ticks); if (!audio_timer_running) { audio_timer_running = true; audio_timer_last = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); - trace_audio_timer_start(conf.period.ticks / SCALE_MS); + trace_audio_timer_start(s->period_ticks / SCALE_MS); } } else { timer_del(s->ts); @@ -1159,16 +1002,17 @@ static void audio_reset_timer (AudioState *s) static void audio_timer (void *opaque) { int64_t now, diff; + AudioState *s = opaque; now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); diff = now - audio_timer_last; - if (diff > conf.period.ticks * 3 / 2) { + if (diff > s->period_ticks * 3 / 2) { trace_audio_timer_delayed(diff / SCALE_MS); } audio_timer_last = now; - audio_run ("timer"); - audio_reset_timer (opaque); + audio_run("timer"); + audio_reset_timer(s); } /* @@ -1228,7 +1072,7 @@ void AUD_set_active_out (SWVoiceOut *sw, int on) if (!hw->enabled) { hw->enabled = 1; if (s->vm_running) { - hw->pcm_ops->ctl_out (hw, VOICE_ENABLE, conf.try_poll_out); + hw->pcm_ops->ctl_out(hw, VOICE_ENABLE, true); audio_reset_timer (s); } } @@ -1273,7 +1117,7 @@ void AUD_set_active_in (SWVoiceIn *sw, int on) if (!hw->enabled) { hw->enabled = 1; if (s->vm_running) { - hw->pcm_ops->ctl_in (hw, VOICE_ENABLE, conf.try_poll_in); + hw->pcm_ops->ctl_in(hw, VOICE_ENABLE, true); audio_reset_timer (s); } } @@ -1594,169 +1438,13 @@ void audio_run (const char *msg) #endif } -static struct audio_option audio_options[] = { - /* DAC */ - { - .name = "DAC_FIXED_SETTINGS", - .tag = AUD_OPT_BOOL, - .valp = &conf.fixed_out.enabled, - .descr = "Use fixed settings for host DAC" - }, - { - .name = "DAC_FIXED_FREQ", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_out.settings.freq, - .descr = "Frequency for fixed host DAC" - }, - { - .name = "DAC_FIXED_FMT", - .tag = AUD_OPT_FMT, - .valp = &conf.fixed_out.settings.fmt, - .descr = "Format for fixed host DAC" - }, - { - .name = "DAC_FIXED_CHANNELS", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_out.settings.nchannels, - .descr = "Number of channels for fixed DAC (1 - mono, 2 - stereo)" - }, - { - .name = "DAC_VOICES", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_out.nb_voices, - .descr = "Number of voices for DAC" - }, - { - .name = "DAC_TRY_POLL", - .tag = AUD_OPT_BOOL, - .valp = &conf.try_poll_out, - .descr = "Attempt using poll mode for DAC" - }, - /* ADC */ - { - .name = "ADC_FIXED_SETTINGS", - .tag = AUD_OPT_BOOL, - .valp = &conf.fixed_in.enabled, - .descr = "Use fixed settings for host ADC" - }, - { - .name = "ADC_FIXED_FREQ", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_in.settings.freq, - .descr = "Frequency for fixed host ADC" - }, - { - .name = "ADC_FIXED_FMT", - .tag = AUD_OPT_FMT, - .valp = &conf.fixed_in.settings.fmt, - .descr = "Format for fixed host ADC" - }, - { - .name = "ADC_FIXED_CHANNELS", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_in.settings.nchannels, - .descr = "Number of channels for fixed ADC (1 - mono, 2 - stereo)" - }, - { - .name = "ADC_VOICES", - .tag = AUD_OPT_INT, - .valp = &conf.fixed_in.nb_voices, - .descr = "Number of voices for ADC" - }, - { - .name = "ADC_TRY_POLL", - .tag = AUD_OPT_BOOL, - .valp = &conf.try_poll_in, - .descr = "Attempt using poll mode for ADC" - }, - /* Misc */ - { - .name = "TIMER_PERIOD", - .tag = AUD_OPT_INT, - .valp = &conf.period.hertz, - .descr = "Timer period in HZ (0 - use lowest possible)" - }, - { /* End of list */ } -}; - -static void audio_pp_nb_voices (const char *typ, int nb) -{ - switch (nb) { - case 0: - printf ("Does not support %s\n", typ); - break; - case 1: - printf ("One %s voice\n", typ); - break; - case INT_MAX: - printf ("Theoretically supports many %s voices\n", typ); - break; - default: - printf ("Theoretically supports up to %d %s voices\n", nb, typ); - break; - } - -} - -void AUD_help (void) -{ - struct audio_driver *d; - - /* make sure we print the help text for modular drivers too */ - audio_module_load_all(); - - audio_process_options ("AUDIO", audio_options); - QLIST_FOREACH(d, &audio_drivers, next) { - if (d->options) { - audio_process_options (d->name, d->options); - } - } - - printf ("Audio options:\n"); - audio_print_options ("AUDIO", audio_options); - printf ("\n"); - - printf ("Available drivers:\n"); - - QLIST_FOREACH(d, &audio_drivers, next) { - - printf ("Name: %s\n", d->name); - printf ("Description: %s\n", d->descr); - - audio_pp_nb_voices ("playback", d->max_voices_out); - audio_pp_nb_voices ("capture", d->max_voices_in); - - if (d->options) { - printf ("Options:\n"); - audio_print_options (d->name, d->options); - } - else { - printf ("No options\n"); - } - printf ("\n"); - } - - printf ( - "Options are settable through environment variables.\n" - "Example:\n" -#ifdef _WIN32 - " set QEMU_AUDIO_DRV=wav\n" - " set QEMU_WAV_PATH=c:\\tune.wav\n" -#else - " export QEMU_AUDIO_DRV=wav\n" - " export QEMU_WAV_PATH=$HOME/tune.wav\n" - "(for csh replace export with setenv in the above)\n" -#endif - " qemu ...\n\n" - ); -} - -static int audio_driver_init(AudioState *s, struct audio_driver *drv, bool msg) +static int audio_driver_init(AudioState *s, struct audio_driver *drv, + bool msg, Audiodev *dev) { if (drv->options) { audio_process_options (drv->name, drv->options); } - s->drv_opaque = drv->init (); + s->drv_opaque = drv->init(dev); if (s->drv_opaque) { audio_init_nb_voices_out (drv); @@ -1782,11 +1470,11 @@ static void audio_vm_change_state_handler (void *opaque, int running, s->vm_running = running; while ((hwo = audio_pcm_hw_find_any_enabled_out (hwo))) { - hwo->pcm_ops->ctl_out (hwo, op, conf.try_poll_out); + hwo->pcm_ops->ctl_out(hwo, op, true); } while ((hwi = audio_pcm_hw_find_any_enabled_in (hwi))) { - hwi->pcm_ops->ctl_in (hwi, op, conf.try_poll_in); + hwi->pcm_ops->ctl_in(hwi, op, true); } audio_reset_timer (s); } @@ -1836,6 +1524,11 @@ void audio_cleanup(void) s->drv->fini (s->drv_opaque); s->drv = NULL; } + + if (s->dev) { + qapi_free_Audiodev(s->dev); + s->dev = NULL; + } } static const VMStateDescription vmstate_audio = { @@ -1847,19 +1540,58 @@ static const VMStateDescription vmstate_audio = { } }; -static void audio_init (void) +static void audio_validate_opts(Audiodev *dev, Error **errp); + +static AudiodevListEntry *audiodev_find( + AudiodevListHead *head, const char *drvname) +{ + AudiodevListEntry *e; + QSIMPLEQ_FOREACH(e, head, next) { + if (strcmp(AudiodevDriver_str(e->dev->driver), drvname) == 0) { + return e; + } + } + + return NULL; +} + +static int audio_init(Audiodev *dev) { size_t i; int done = 0; - const char *drvname; + const char *drvname = NULL; VMChangeStateEntry *e; AudioState *s = &glob_audio_state; struct audio_driver *driver; + /* silence gcc warning about uninitialized variable */ + AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); if (s->drv) { - return; + if (dev) { + dolog("Cannot create more than one audio backend, sorry\n"); + qapi_free_Audiodev(dev); + } + return -1; } + if (dev) { + /* -audiodev option */ + drvname = AudiodevDriver_str(dev->driver); + } else { + /* legacy implicit initialization */ + head = audio_handle_legacy_opts(); + /* + * In case of legacy initialization, all Audiodevs in the list will have + * the same configuration (except the driver), so it does't matter which + * one we chose. We need an Audiodev to set up AudioState before we can + * init a driver. Also note that dev at this point is still in the + * list. + */ + dev = QSIMPLEQ_FIRST(&head)->dev; + audio_validate_opts(dev, &error_abort); + } + s->dev = dev; + QLIST_INIT (&s->hw_head_out); QLIST_INIT (&s->hw_head_in); QLIST_INIT (&s->cap_head); @@ -1867,10 +1599,8 @@ static void audio_init (void) s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s); - audio_process_options ("AUDIO", audio_options); - - s->nb_hw_voices_out = conf.fixed_out.nb_voices; - s->nb_hw_voices_in = conf.fixed_in.nb_voices; + s->nb_hw_voices_out = audio_get_pdo_out(dev)->voices; + s->nb_hw_voices_in = audio_get_pdo_in(dev)->voices; if (s->nb_hw_voices_out <= 0) { dolog ("Bogus number of playback voices %d, setting to 1\n", @@ -1884,46 +1614,42 @@ static void audio_init (void) s->nb_hw_voices_in = 0; } - { - int def; - drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); - } - if (drvname) { driver = audio_driver_lookup(drvname); if (driver) { - done = !audio_driver_init(s, driver, true); + done = !audio_driver_init(s, driver, true, dev); } else { dolog ("Unknown audio driver `%s'\n", drvname); - dolog ("Run with -audio-help to list available drivers\n"); } - } - - if (!done) { - for (i = 0; !done && i < ARRAY_SIZE(audio_prio_list); i++) { + } else { + for (i = 0; audio_prio_list[i]; i++) { + AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]); driver = audio_driver_lookup(audio_prio_list[i]); - if (driver && driver->can_be_default) { - done = !audio_driver_init(s, driver, false); + + if (e && driver) { + s->dev = dev = e->dev; + audio_validate_opts(dev, &error_abort); + done = !audio_driver_init(s, driver, false, dev); + if (done) { + e->dev = NULL; + break; + } } } } + audio_free_audiodev_list(&head); if (!done) { driver = audio_driver_lookup("none"); - done = !audio_driver_init(s, driver, false); + done = !audio_driver_init(s, driver, false, dev); assert(done); dolog("warning: Using timer based audio emulation\n"); } - if (conf.period.hertz <= 0) { - if (conf.period.hertz < 0) { - dolog ("warning: Timer period is negative - %d " - "treating as zero\n", - conf.period.hertz); - } - conf.period.ticks = 1; + if (dev->timer_period <= 0) { + s->period_ticks = 1; } else { - conf.period.ticks = NANOSECONDS_PER_SECOND / conf.period.hertz; + s->period_ticks = NANOSECONDS_PER_SECOND / dev->timer_period; } e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); @@ -1934,11 +1660,22 @@ static void audio_init (void) QLIST_INIT (&s->card_head); vmstate_register (NULL, 0, &vmstate_audio, s); + return 0; +} + +void audio_free_audiodev_list(AudiodevListHead *head) +{ + AudiodevListEntry *e; + while ((e = QSIMPLEQ_FIRST(head))) { + QSIMPLEQ_REMOVE_HEAD(head, next); + qapi_free_Audiodev(e->dev); + g_free(e); + } } void AUD_register_card (const char *name, QEMUSoundCard *card) { - audio_init (); + audio_init(NULL); card->name = g_strdup (name); memset (&card->entries, 0, sizeof (card->entries)); QLIST_INSERT_HEAD (&glob_audio_state.card_head, card, entries); @@ -2078,3 +1815,174 @@ void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol) } } } + +void audio_create_pdos(Audiodev *dev) +{ + switch (dev->driver) { +#define CASE(DRIVER, driver, pdo_name) \ + case AUDIODEV_DRIVER_##DRIVER: \ + if (!dev->u.driver.has_in) { \ + dev->u.driver.in = g_malloc0( \ + sizeof(Audiodev##pdo_name##PerDirectionOptions)); \ + dev->u.driver.has_in = true; \ + } \ + if (!dev->u.driver.has_out) { \ + dev->u.driver.out = g_malloc0( \ + sizeof(AudiodevAlsaPerDirectionOptions)); \ + dev->u.driver.has_out = true; \ + } \ + break + + CASE(NONE, none, ); + CASE(ALSA, alsa, Alsa); + CASE(COREAUDIO, coreaudio, Coreaudio); + CASE(DSOUND, dsound, ); + CASE(OSS, oss, Oss); + CASE(PA, pa, Pa); + CASE(SDL, sdl, ); + CASE(SPICE, spice, ); + CASE(WAV, wav, ); + + case AUDIODEV_DRIVER__MAX: + abort(); + }; +} + +static void audio_validate_per_direction_opts( + AudiodevPerDirectionOptions *pdo, Error **errp) +{ + if (!pdo->has_fixed_settings) { + pdo->has_fixed_settings = true; + pdo->fixed_settings = true; + } + if (!pdo->fixed_settings && + (pdo->has_frequency || pdo->has_channels || pdo->has_format)) { + error_setg(errp, + "You can't use frequency, channels or format with fixed-settings=off"); + return; + } + + if (!pdo->has_frequency) { + pdo->has_frequency = true; + pdo->frequency = 44100; + } + if (!pdo->has_channels) { + pdo->has_channels = true; + pdo->channels = 2; + } + if (!pdo->has_voices) { + pdo->has_voices = true; + pdo->voices = 1; + } + if (!pdo->has_format) { + pdo->has_format = true; + pdo->format = AUDIO_FORMAT_S16; + } +} + +static void audio_validate_opts(Audiodev *dev, Error **errp) +{ + Error *err = NULL; + + audio_create_pdos(dev); + + audio_validate_per_direction_opts(audio_get_pdo_in(dev), &err); + if (err) { + error_propagate(errp, err); + return; + } + + audio_validate_per_direction_opts(audio_get_pdo_out(dev), &err); + if (err) { + error_propagate(errp, err); + return; + } + + if (!dev->has_timer_period) { + dev->has_timer_period = true; + dev->timer_period = 10000; /* 100Hz -> 10ms */ + } +} + +void audio_parse_option(const char *opt) +{ + AudiodevListEntry *e; + Audiodev *dev = NULL; + + Visitor *v = qobject_input_visitor_new_str(opt, "driver", &error_fatal); + visit_type_Audiodev(v, NULL, &dev, &error_fatal); + visit_free(v); + + audio_validate_opts(dev, &error_fatal); + + e = g_malloc0(sizeof(AudiodevListEntry)); + e->dev = dev; + QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next); +} + +void audio_init_audiodevs(void) +{ + AudiodevListEntry *e; + + QSIMPLEQ_FOREACH(e, &audiodevs, next) { + audio_init(e->dev); + } +} + +audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo) +{ + return (audsettings) { + .freq = pdo->frequency, + .nchannels = pdo->channels, + .fmt = pdo->format, + .endianness = AUDIO_HOST_ENDIANNESS, + }; +} + +int audioformat_bytes_per_sample(AudioFormat fmt) +{ + switch (fmt) { + case AUDIO_FORMAT_U8: + case AUDIO_FORMAT_S8: + return 1; + + case AUDIO_FORMAT_U16: + case AUDIO_FORMAT_S16: + return 2; + + case AUDIO_FORMAT_U32: + case AUDIO_FORMAT_S32: + return 4; + + case AUDIO_FORMAT__MAX: + ; + } + abort(); +} + + +/* frames = freq * usec / 1e6 */ +int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs) +{ + uint64_t usecs = pdo->has_buffer_length ? pdo->buffer_length : def_usecs; + return (as->freq * usecs + 500000) / 1000000; +} + +/* samples = channels * frames = channels * freq * usec / 1e6 */ +int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs) +{ + return as->nchannels * audio_buffer_frames(pdo, as, def_usecs); +} + +/* + * bytes = bytes_per_sample * samples = + * bytes_per_sample * channels * freq * usec / 1e6 + */ +int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs) +{ + return audio_buffer_samples(pdo, as, def_usecs) * + audioformat_bytes_per_sample(as->fmt); +} diff --git a/audio/audio.h b/audio/audio.h index 02f29a3b3e..64b0f761bc 100644 --- a/audio/audio.h +++ b/audio/audio.h @@ -36,12 +36,21 @@ typedef void (*audio_callback_fn) (void *opaque, int avail); #define AUDIO_HOST_ENDIANNESS 0 #endif -struct audsettings { +typedef struct audsettings { int freq; int nchannels; AudioFormat fmt; int endianness; -}; +} audsettings; + +audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo); +int audioformat_bytes_per_sample(AudioFormat fmt); +int audio_buffer_frames(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs); +int audio_buffer_samples(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs); +int audio_buffer_bytes(AudiodevPerDirectionOptions *pdo, + audsettings *as, int def_usecs); typedef enum { AUD_CNOTIFY_ENABLE, @@ -81,7 +90,6 @@ typedef struct QEMUAudioTimeStamp { void AUD_vlog (const char *cap, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0); void AUD_log (const char *cap, const char *fmt, ...) GCC_FMT_ATTR(2, 3); -void AUD_help (void); void AUD_register_card (const char *name, QEMUSoundCard *card); void AUD_remove_card (QEMUSoundCard *card); CaptureVoiceOut *AUD_add_capture ( @@ -163,4 +171,8 @@ void audio_sample_to_uint64(void *samples, int pos, void audio_sample_from_uint64(void *samples, int pos, uint64_t left, uint64_t right); +void audio_parse_option(const char *opt); +void audio_init_audiodevs(void); +void audio_legacy_help(void); + #endif /* QEMU_AUDIO_H */ diff --git a/audio/audio_int.h b/audio/audio_int.h index 6c451b995c..7bf5dfc0b5 100644 --- a/audio/audio_int.h +++ b/audio/audio_int.h @@ -146,7 +146,7 @@ struct audio_driver { const char *name; const char *descr; struct audio_option *options; - void *(*init) (void); + void *(*init) (Audiodev *); void (*fini) (void *); struct audio_pcm_ops *pcm_ops; int can_be_default; @@ -193,6 +193,7 @@ struct SWVoiceCap { typedef struct AudioState { struct audio_driver *drv; + Audiodev *dev; void *drv_opaque; QEMUTimer *ts; @@ -203,10 +204,13 @@ typedef struct AudioState { int nb_hw_voices_out; int nb_hw_voices_in; int vm_running; + int64_t period_ticks; } AudioState; extern const struct mixeng_volume nominal_volume; +extern const char *audio_prio_list[]; + void audio_driver_register(audio_driver *drv); audio_driver *audio_driver_lookup(const char *name); @@ -248,4 +252,18 @@ static inline int audio_ring_dist (int dst, int src, int len) #define AUDIO_STRINGIFY_(n) #n #define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n) +typedef struct AudiodevListEntry { + Audiodev *dev; + QSIMPLEQ_ENTRY(AudiodevListEntry) next; +} AudiodevListEntry; + +typedef QSIMPLEQ_HEAD(, AudiodevListEntry) AudiodevListHead; +AudiodevListHead audio_handle_legacy_opts(void); + +void audio_free_audiodev_list(AudiodevListHead *head); + +void audio_create_pdos(Audiodev *dev); +AudiodevPerDirectionOptions *audio_get_pdo_in(Audiodev *dev); +AudiodevPerDirectionOptions *audio_get_pdo_out(Audiodev *dev); + #endif /* QEMU_AUDIO_INT_H */ diff --git a/audio/audio_legacy.c b/audio/audio_legacy.c new file mode 100644 index 0000000000..ad3b781add --- /dev/null +++ b/audio/audio_legacy.c @@ -0,0 +1,293 @@ +/* + * QEMU Audio subsystem: legacy configuration handling + * + * Copyright (c) 2015-2019 Zoltán Kővágó <DirtY.iCE.hu@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "qemu/osdep.h" +#include "audio.h" +#include "audio_int.h" +#include "qemu-common.h" +#include "qemu/cutils.h" +#include "qapi/error.h" +#include "qapi/qapi-visit-audio.h" +#include "qapi/visitor-impl.h" + +#define AUDIO_CAP "audio-legacy" +#include "audio_int.h" + +static uint32_t toui32(const char *str) +{ + unsigned long long ret; + if (parse_uint_full(str, &ret, 10) || ret > UINT32_MAX) { + dolog("Invalid integer value `%s'\n", str); + exit(1); + } + return ret; +} + +/* helper functions to convert env variables */ +static void get_bool(const char *env, bool *dst, bool *has_dst) +{ + const char *val = getenv(env); + if (val) { + *dst = toui32(val) != 0; + *has_dst = true; + } +} + +static void get_int(const char *env, uint32_t *dst, bool *has_dst) +{ + const char *val = getenv(env); + if (val) { + *dst = toui32(val); + *has_dst = true; + } +} + +static void get_fmt(const char *env, AudioFormat *dst, bool *has_dst) +{ + const char *val = getenv(env); + if (val) { + size_t i; + for (i = 0; AudioFormat_lookup.size; ++i) { + if (strcasecmp(val, AudioFormat_lookup.array[i]) == 0) { + *dst = i; + *has_dst = true; + return; + } + } + + dolog("Invalid audio format `%s'\n", val); + exit(1); + } +} + +/* backend specific functions */ +/* todo */ + +/* general */ +static void handle_per_direction( + AudiodevPerDirectionOptions *pdo, const char *prefix) +{ + char buf[64]; + size_t len = strlen(prefix); + + memcpy(buf, prefix, len); + strcpy(buf + len, "FIXED_SETTINGS"); + get_bool(buf, &pdo->fixed_settings, &pdo->has_fixed_settings); + + strcpy(buf + len, "FIXED_FREQ"); + get_int(buf, &pdo->frequency, &pdo->has_frequency); + + strcpy(buf + len, "FIXED_FMT"); + get_fmt(buf, &pdo->format, &pdo->has_format); + + strcpy(buf + len, "FIXED_CHANNELS"); + get_int(buf, &pdo->channels, &pdo->has_channels); + + strcpy(buf + len, "VOICES"); + get_int(buf, &pdo->voices, &pdo->has_voices); +} + +static AudiodevListEntry *legacy_opt(const char *drvname) +{ + AudiodevListEntry *e = g_malloc0(sizeof(AudiodevListEntry)); + e->dev = g_malloc0(sizeof(Audiodev)); + e->dev->id = g_strdup(drvname); + e->dev->driver = qapi_enum_parse( + &AudiodevDriver_lookup, drvname, -1, &error_abort); + + audio_create_pdos(e->dev); + + handle_per_direction(audio_get_pdo_in(e->dev), "QEMU_AUDIO_ADC_"); + handle_per_direction(audio_get_pdo_out(e->dev), "QEMU_AUDIO_DAC_"); + + get_int("QEMU_AUDIO_TIMER_PERIOD", + &e->dev->timer_period, &e->dev->has_timer_period); + + return e; +} + +AudiodevListHead audio_handle_legacy_opts(void) +{ + const char *drvname = getenv("QEMU_AUDIO_DRV"); + AudiodevListHead head = QSIMPLEQ_HEAD_INITIALIZER(head); + + if (drvname) { + AudiodevListEntry *e; + audio_driver *driver = audio_driver_lookup(drvname); + if (!driver) { + dolog("Unknown audio driver `%s'\n", drvname); + exit(1); + } + e = legacy_opt(drvname); + QSIMPLEQ_INSERT_TAIL(&head, e, next); + } else { + for (int i = 0; audio_prio_list[i]; i++) { + audio_driver *driver = audio_driver_lookup(audio_prio_list[i]); + if (driver && driver->can_be_default) { + AudiodevListEntry *e = legacy_opt(driver->name); + QSIMPLEQ_INSERT_TAIL(&head, e, next); + } + } + if (QSIMPLEQ_EMPTY(&head)) { + dolog("Internal error: no default audio driver available\n"); + exit(1); + } + } + + return head; +} + +/* visitor to print -audiodev option */ +typedef struct { + Visitor visitor; + + bool comma; + GList *path; +} LegacyPrintVisitor; + +static void lv_start_struct(Visitor *v, const char *name, void **obj, + size_t size, Error **errp) +{ + LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v; + lv->path = g_list_append(lv->path, g_strdup(name)); +} + +static void lv_end_struct(Visitor *v, void **obj) +{ + LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v; + lv->path = g_list_delete_link(lv->path, g_list_last(lv->path)); +} + +static void lv_print_key(Visitor *v, const char *name) +{ + GList *e; + LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v; + if (lv->comma) { + putchar(','); + } else { + lv->comma = true; + } + + for (e = lv->path; e; e = e->next) { + if (e->data) { + printf("%s.", (const char *) e->data); + } + } + + printf("%s=", name); +} + +static void lv_type_int64(Visitor *v, const char *name, int64_t *obj, + Error **errp) +{ + lv_print_key(v, name); + printf("%" PRIi64, *obj); +} + +static void lv_type_uint64(Visitor *v, const char *name, uint64_t *obj, + Error **errp) +{ + lv_print_key(v, name); + printf("%" PRIu64, *obj); +} + +static void lv_type_bool(Visitor *v, const char *name, bool *obj, Error **errp) +{ + lv_print_key(v, name); + printf("%s", *obj ? "on" : "off"); +} + +static void lv_type_str(Visitor *v, const char *name, char **obj, Error **errp) +{ + const char *str = *obj; + lv_print_key(v, name); + + while (*str) { + if (*str == ',') { + putchar(','); + } + putchar(*str++); + } +} + +static void lv_complete(Visitor *v, void *opaque) +{ + LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v; + assert(lv->path == NULL); +} + +static void lv_free(Visitor *v) +{ + LegacyPrintVisitor *lv = (LegacyPrintVisitor *) v; + + g_list_free_full(lv->path, g_free); + g_free(lv); +} + +static Visitor *legacy_visitor_new(void) +{ + LegacyPrintVisitor *lv = g_malloc0(sizeof(LegacyPrintVisitor)); + + lv->visitor.start_struct = lv_start_struct; + lv->visitor.end_struct = lv_end_struct; + /* lists not supported */ + lv->visitor.type_int64 = lv_type_int64; + lv->visitor.type_uint64 = lv_type_uint64; + lv->visitor.type_bool = lv_type_bool; + lv->visitor.type_str = lv_type_str; + + lv->visitor.type = VISITOR_OUTPUT; + lv->visitor.complete = lv_complete; + lv->visitor.free = lv_free; + + return &lv->visitor; +} + +void audio_legacy_help(void) +{ + AudiodevListHead head; + AudiodevListEntry *e; + + printf("Environment variable based configuration deprecated.\n"); + printf("Please use the new -audiodev option.\n"); + + head = audio_handle_legacy_opts(); + printf("\nEquivalent -audiodev to your current environment variables:\n"); + if (!getenv("QEMU_AUDIO_DRV")) { + printf("(Since you didn't specify QEMU_AUDIO_DRV, I'll list all " + "possibilities)\n"); + } + + QSIMPLEQ_FOREACH(e, &head, next) { + Visitor *v; + Audiodev *dev = e->dev; + printf("-audiodev "); + + v = legacy_visitor_new(); + visit_type_Audiodev(v, NULL, &dev, &error_abort); + visit_free(v); + + printf("\n"); + } + audio_free_audiodev_list(&head); +} diff --git a/audio/audio_template.h b/audio/audio_template.h index 7de227d2d1..1232bb54db 100644 --- a/audio/audio_template.h +++ b/audio/audio_template.h @@ -299,11 +299,42 @@ static HW *glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings *as) return NULL; } +AudiodevPerDirectionOptions *glue(audio_get_pdo_, TYPE)(Audiodev *dev) +{ + switch (dev->driver) { + case AUDIODEV_DRIVER_NONE: + return dev->u.none.TYPE; + case AUDIODEV_DRIVER_ALSA: + return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE); + case AUDIODEV_DRIVER_COREAUDIO: + return qapi_AudiodevCoreaudioPerDirectionOptions_base( + dev->u.coreaudio.TYPE); + case AUDIODEV_DRIVER_DSOUND: + return dev->u.dsound.TYPE; + case AUDIODEV_DRIVER_OSS: + return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE); + case AUDIODEV_DRIVER_PA: + return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE); + case AUDIODEV_DRIVER_SDL: + return dev->u.sdl.TYPE; + case AUDIODEV_DRIVER_SPICE: + return dev->u.spice.TYPE; + case AUDIODEV_DRIVER_WAV: + return dev->u.wav.TYPE; + + case AUDIODEV_DRIVER__MAX: + break; + } + abort(); +} + static HW *glue (audio_pcm_hw_add_, TYPE) (struct audsettings *as) { HW *hw; + AudioState *s = &glob_audio_state; + AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); - if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) { + if (pdo->fixed_settings) { hw = glue (audio_pcm_hw_add_new_, TYPE) (as); if (hw) { return hw; @@ -331,9 +362,11 @@ static SW *glue (audio_pcm_create_voice_pair_, TYPE) ( SW *sw; HW *hw; struct audsettings hw_as; + AudioState *s = &glob_audio_state; + AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); - if (glue (conf.fixed_, TYPE).enabled) { - hw_as = glue (conf.fixed_, TYPE).settings; + if (pdo->fixed_settings) { + hw_as = audiodev_to_audsettings(pdo); } else { hw_as = *as; @@ -398,6 +431,7 @@ SW *glue (AUD_open_, TYPE) ( ) { AudioState *s = &glob_audio_state; + AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev); if (audio_bug(__func__, !card || !name || !callback_fn || !as)) { dolog ("card=%p name=%p callback_fn=%p as=%p\n", @@ -422,7 +456,7 @@ SW *glue (AUD_open_, TYPE) ( return sw; } - if (!glue (conf.fixed_, TYPE).enabled && sw) { + if (!pdo->fixed_settings && sw) { glue (AUD_close_, TYPE) (card, sw); sw = NULL; } diff --git a/audio/coreaudio.c b/audio/coreaudio.c index 638c60b300..7d4225dbee 100644 --- a/audio/coreaudio.c +++ b/audio/coreaudio.c @@ -685,7 +685,7 @@ static CoreaudioConf glob_conf = { .nbuffers = 4, }; -static void *coreaudio_audio_init (void) +static void *coreaudio_audio_init(Audiodev *dev) { CoreaudioConf *conf = g_malloc(sizeof(CoreaudioConf)); *conf = glob_conf; diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c index 3ed73a30d1..02fe777cba 100644 --- a/audio/dsoundaudio.c +++ b/audio/dsoundaudio.c @@ -783,7 +783,7 @@ static void dsound_audio_fini (void *opaque) g_free(s); } -static void *dsound_audio_init (void) +static void *dsound_audio_init(Audiodev *dev) { int err; HRESULT hr; diff --git a/audio/noaudio.c b/audio/noaudio.c index 1bfebeca7d..79690af1ea 100644 --- a/audio/noaudio.c +++ b/audio/noaudio.c @@ -136,7 +136,7 @@ static int no_ctl_in (HWVoiceIn *hw, int cmd, ...) return 0; } -static void *no_audio_init (void) +static void *no_audio_init(Audiodev *dev) { return &no_audio_init; } diff --git a/audio/ossaudio.c b/audio/ossaudio.c index 355e8fbda5..e0cadbef29 100644 --- a/audio/ossaudio.c +++ b/audio/ossaudio.c @@ -842,7 +842,7 @@ static OSSConf glob_conf = { .policy = 5 }; -static void *oss_audio_init (void) +static void *oss_audio_init(Audiodev *dev) { OSSConf *conf = g_malloc(sizeof(OSSConf)); *conf = glob_conf; diff --git a/audio/paaudio.c b/audio/paaudio.c index 8246f260a8..d649c58e3d 100644 --- a/audio/paaudio.c +++ b/audio/paaudio.c @@ -812,7 +812,7 @@ static PAConf glob_conf = { .samples = 4096, }; -static void *qpa_audio_init (void) +static void *qpa_audio_init(Audiodev *dev) { if (glob_conf.server == NULL) { char pidfile[64]; diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c index 4cd4cbaf00..b9ae506a56 100644 --- a/audio/sdlaudio.c +++ b/audio/sdlaudio.c @@ -315,7 +315,7 @@ static int sdl_ctl_out (HWVoiceOut *hw, int cmd, ...) return 0; } -static void *sdl_audio_init (void) +static void *sdl_audio_init(Audiodev *dev) { SDLAudioState *s = &glob_sdl; if (s->driver_created) { diff --git a/audio/spiceaudio.c b/audio/spiceaudio.c index 3aeb0cb357..affc3df17f 100644 --- a/audio/spiceaudio.c +++ b/audio/spiceaudio.c @@ -77,7 +77,7 @@ static const SpiceRecordInterface record_sif = { .base.minor_version = SPICE_INTERFACE_RECORD_MINOR, }; -static void *spice_audio_init (void) +static void *spice_audio_init(Audiodev *dev) { if (!using_spice) { return NULL; diff --git a/audio/wavaudio.c b/audio/wavaudio.c index 35a614785e..9eff3555b3 100644 --- a/audio/wavaudio.c +++ b/audio/wavaudio.c @@ -232,7 +232,7 @@ static WAVConf glob_conf = { .wav_path = "qemu.wav" }; -static void *wav_audio_init (void) +static void *wav_audio_init(Audiodev *dev) { WAVConf *conf = g_malloc(sizeof(WAVConf)); *conf = glob_conf; @@ -3253,9 +3253,12 @@ int main(int argc, char **argv, char **envp) add_device_config(DEV_BT, optarg); break; case QEMU_OPTION_audio_help: - AUD_help (); + audio_legacy_help(); exit (0); break; + case QEMU_OPTION_audiodev: + audio_parse_option(optarg); + break; case QEMU_OPTION_soundhw: select_soundhw (optarg); break; @@ -4447,6 +4450,8 @@ int main(int argc, char **argv, char **envp) /* do monitor/qmp handling at preconfig state if requested */ main_loop(); + audio_init_audiodevs(); + /* from here on runstate is RUN_STATE_PRELAUNCH */ machine_run_board_init(current_machine); 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