[thirdparty/qemu.git] / audio / audio_template.h

/*
 * QEMU Audio subsystem header
 *
 * Copyright (c) 2005 Vassili Karpov (malc)
 *
 * 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.
 */

#ifdef DAC
#define NAME "playback"
#define HWBUF hw->mix_buf
#define TYPE out
#define HW HWVoiceOut
#define SW SWVoiceOut
#else
#define NAME "capture"
#define TYPE in
#define HW HWVoiceIn
#define SW SWVoiceIn
#define HWBUF hw->conv_buf
#endif

static void glue(audio_init_nb_voices_, TYPE)(AudioState *s,
                                              struct audio_driver *drv)
{
    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(__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(__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_free_resources_, TYPE) (HW *hw)
{
    g_free(hw->buf_emul);
    g_free (HWBUF);
    HWBUF = NULL;
}

static bool glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
{
    HWBUF = audio_calloc(__func__, hw->samples, sizeof(struct st_sample));
    if (!HWBUF) {
        dolog("Could not allocate " NAME " buffer (%zu samples)\n",
              hw->samples);
        return false;
    }

    return true;
}

static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
{
    g_free (sw->buf);

    if (sw->rate) {
        st_rate_stop (sw->rate);
    }

    sw->buf = NULL;
    sw->rate = NULL;
}

static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
{
    int samples;

    samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;

    sw->buf = audio_calloc(__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 int glue (audio_pcm_sw_init_, TYPE) (
    SW *sw,
    HW *hw,
    const char *name,
    struct audsettings *as
    )
{
    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 void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
{
    glue (audio_pcm_sw_free_resources_, TYPE) (sw);
    g_free (sw->name);
    sw->name = NULL;
}

static void glue (audio_pcm_hw_add_sw_, TYPE) (HW *hw, SW *sw)
{
    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)
{
    HW *hw = *hwp;
    AudioState *s = hw->s;

    if (!hw->sw_head.lh_first) {
#ifdef DAC
        audio_detach_capture (hw);
#endif
        QLIST_REMOVE (hw, entries);
        glue (hw->pcm_ops->fini_, TYPE) (hw);
        glue (s->nb_hw_voices_, TYPE) += 1;
        glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
        g_free (hw);
        *hwp = NULL;
    }
}

static HW *glue(audio_pcm_hw_find_any_, TYPE)(AudioState *s, HW *hw)
{
    return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
}

static HW *glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState *s, HW *hw)
{
    while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
        if (hw->enabled) {
            return hw;
        }
    }
    return NULL;
}

static HW *glue(audio_pcm_hw_find_specific_, TYPE)(AudioState *s, HW *hw,
                                                   struct audsettings *as)
{
    while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
        if (audio_pcm_info_eq (&hw->info, as)) {
            return hw;
        }
    }
    return NULL;
}

static HW *glue(audio_pcm_hw_add_new_, TYPE)(AudioState *s,
                                             struct audsettings *as)
{
    HW *hw;
    struct audio_driver *drv = s->drv;

    if (!glue (s->nb_hw_voices_, TYPE)) {
        return NULL;
    }

    if (audio_bug(__func__, !drv)) {
        dolog ("No host audio driver\n");
        return NULL;
    }

    if (audio_bug(__func__, !drv->pcm_ops)) {
        dolog ("Host audio driver without pcm_ops\n");
        return NULL;
    }

    hw = audio_calloc(__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->s = s;
    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, s->drv_opaque)) {
        goto err0;
    }

    if (audio_bug(__func__, hw->samples <= 0)) {
        dolog("hw->samples=%zd\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;
}

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)(AudioState *s, struct audsettings *as)
{
    HW *hw;
    AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);

    if (pdo->fixed_settings) {
        hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
        if (hw) {
            return hw;
        }
    }

    hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
    if (hw) {
        return hw;
    }

    hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
    if (hw) {
        return hw;
    }

    return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
}

static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
    AudioState *s,
    const char *sw_name,
    struct audsettings *as
    )
{
    SW *sw;
    HW *hw;
    struct audsettings hw_as;
    AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);

    if (pdo->fixed_settings) {
        hw_as = audiodev_to_audsettings(pdo);
    }
    else {
        hw_as = *as;
    }

    sw = audio_calloc(__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;
    }
    sw->s = s;

    hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
    if (!hw) {
        goto err2;
    }

    glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);

    if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
        goto err3;
    }

    return sw;

err3:
    glue (audio_pcm_hw_del_sw_, TYPE) (sw);
    glue (audio_pcm_hw_gc_, TYPE) (&hw);
err2:
    g_free (sw);
err1:
    return NULL;
}

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) {
        if (audio_bug(__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 callback_fn,
    struct audsettings *as
    )
{
    AudioState *s = card->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",
               card, name, callback_fn, as);
        goto fail;
    }

    ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
            name, as->freq, as->nchannels, as->fmt);

    if (audio_bug(__func__, audio_validate_settings(as))) {
        audio_print_settings (as);
        goto fail;
    }

    if (audio_bug(__func__, !s->drv)) {
        dolog ("Can not open `%s' (no host audio driver)\n", name);
        goto fail;
    }

    if (sw && audio_pcm_info_eq (&sw->info, as)) {
        return sw;
    }

    if (!pdo->fixed_settings && sw) {
        glue (AUD_close_, TYPE) (card, sw);
        sw = NULL;
    }

    if (sw) {
        HW *hw = sw->hw;

        if (!hw) {
            dolog ("Internal logic error voice `%s' has no hardware store\n",
                   SW_NAME (sw));
            goto fail;
        }

        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)(s, name, as);
        if (!sw) {
            dolog ("Failed to create voice `%s'\n", name);
            return NULL;
        }
    }

    sw->card = card;
    sw->vol = nominal_volume;
    sw->callback.fn = callback_fn;
    sw->callback.opaque = callback_opaque;

#ifdef DEBUG_AUDIO
    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) (card, sw);
    return NULL;
}

int glue (AUD_is_active_, TYPE) (SW *sw)
{
    return sw ? sw->active : 0;
}

void glue (AUD_init_time_stamp_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
{
    if (!sw) {
        return;
    }

    ts->old_ts = sw->hw->ts_helper;
}

uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW *sw, QEMUAudioTimeStamp *ts)
{
    uint64_t delta, cur_ts, old_ts;

    if (!sw) {
        return 0;
    }

    cur_ts = sw->hw->ts_helper;
    old_ts = ts->old_ts;
    /* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */

    if (cur_ts >= old_ts) {
        delta = cur_ts - old_ts;
    }
    else {
        delta = UINT64_MAX - old_ts + cur_ts;
    }

    if (!delta) {
        return 0;
    }

    return muldiv64 (delta, sw->hw->info.freq, 1000000);
}

#undef TYPE
#undef HW
#undef SW
#undef HWBUF
#undef NAME
Commit	Line	Data
1d14ffa9 FB	1	/*
	2	* QEMU Audio subsystem header
	3	*
	4	* Copyright (c) 2005 Vassili Karpov (malc)
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25	#ifdef DAC
571ec3d6 FB	26	#define NAME "playback"
571ec3d6 FB	27	#define HWBUF hw->mix_buf
1d14ffa9	28	#define TYPE out
571ec3d6 FB	29	#define HW HWVoiceOut
571ec3d6 FB	30	#define SW SWVoiceOut
1d14ffa9	31	#else
571ec3d6	32	#define NAME "capture"
1d14ffa9	33	#define TYPE in
571ec3d6 FB	34	#define HW HWVoiceIn
	35	#define SW SWVoiceIn
	36	#define HWBUF hw->conv_buf
1d14ffa9 FB	37	#endif
1d14ffa9 FB	38
526fb058 KZ	39	static void glue(audio_init_nb_voices_, TYPE)(AudioState *s,
526fb058 KZ	40	struct audio_driver *drv)
c0fe3827	41	{
571ec3d6 FB	42	int max_voices = glue (drv->max_voices_, TYPE);
571ec3d6 FB	43	int voice_size = glue (drv->voice_size_, TYPE);
c0fe3827	44
571ec3d6 FB	45	if (glue (s->nb_hw_voices_, TYPE) > max_voices) {
	46	if (!max_voices) {
	47	#ifdef DAC
	48	dolog ("Driver `%s' does not support " NAME "\n", drv->name);
	49	#endif
	50	}
	51	else {
	52	dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
	53	drv->name,
	54	glue (s->nb_hw_voices_, TYPE),
	55	max_voices);
	56	}
	57	glue (s->nb_hw_voices_, TYPE) = max_voices;
c0fe3827 FB	58	}
c0fe3827 FB	59
470bcabd	60	if (audio_bug(__func__, !voice_size && max_voices)) {
571ec3d6 FB	61	dolog ("drv=`%s' voice_size=0 max_voices=%d\n",
	62	drv->name, max_voices);
	63	glue (s->nb_hw_voices_, TYPE) = 0;
	64	}
	65
470bcabd	66	if (audio_bug(__func__, voice_size && !max_voices)) {
571ec3d6 FB	67	dolog ("drv=`%s' voice_size=%d max_voices=0\n",
	68	drv->name, voice_size);
	69	}
	70	}
	71
	72	static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
	73	{
ff095e52	74	g_free(hw->buf_emul);
fb7da626	75	g_free (HWBUF);
571ec3d6 FB	76	HWBUF = NULL;
	77	}
	78
7520462b	79	static bool glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
571ec3d6	80	{
470bcabd	81	HWBUF = audio_calloc(__func__, hw->samples, sizeof(struct st_sample));
571ec3d6	82	if (!HWBUF) {
7520462b KZ	83	dolog("Could not allocate " NAME " buffer (%zu samples)\n",
	84	hw->samples);
	85	return false;
c0fe3827 FB	86	}
c0fe3827 FB	87
7520462b	88	return true;
571ec3d6 FB	89	}
	90
	91	static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
	92	{
fb7da626	93	g_free (sw->buf);
571ec3d6 FB	94
	95	if (sw->rate) {
	96	st_rate_stop (sw->rate);
	97	}
	98
	99	sw->buf = NULL;
	100	sw->rate = NULL;
	101	}
	102
	103	static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
	104	{
	105	int samples;
	106
571ec3d6	107	samples = ((int64_t) sw->hw->samples << 32) / sw->ratio;
c0fe3827	108
470bcabd	109	sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample));
571ec3d6 FB	110	if (!sw->buf) {
	111	dolog ("Could not allocate buffer for `%s' (%d samples)\n",
	112	SW_NAME (sw), samples);
c0fe3827 FB	113	return -1;
	114	}
	115
571ec3d6 FB	116	#ifdef DAC
	117	sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
	118	#else
	119	sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
	120	#endif
	121	if (!sw->rate) {
7267c094	122	g_free (sw->buf);
571ec3d6 FB	123	sw->buf = NULL;
	124	return -1;
	125	}
c0fe3827 FB	126	return 0;
	127	}
	128
571ec3d6 FB	129	static int glue (audio_pcm_sw_init_, TYPE) (
	130	SW *sw,
	131	HW *hw,
	132	const char *name,
1ea879e5	133	struct audsettings *as
571ec3d6 FB	134	)
	135	{
	136	int err;
	137
d929eba5	138	audio_pcm_init_info (&sw->info, as);
571ec3d6 FB	139	sw->hw = hw;
	140	sw->active = 0;
	141	#ifdef DAC
	142	sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
	143	sw->total_hw_samples_mixed = 0;
	144	sw->empty = 1;
	145	#else
	146	sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
	147	#endif
	148
	149	#ifdef DAC
	150	sw->conv = mixeng_conv
	151	#else
	152	sw->clip = mixeng_clip
	153	#endif
	154	[sw->info.nchannels == 2]
	155	[sw->info.sign]
d929eba5	156	[sw->info.swap_endianness]
f941aa25	157	[audio_bits_to_index (sw->info.bits)];
571ec3d6	158
7267c094	159	sw->name = g_strdup (name);
571ec3d6 FB	160	err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
571ec3d6 FB	161	if (err) {
7267c094	162	g_free (sw->name);
571ec3d6 FB	163	sw->name = NULL;
	164	}
	165	return err;
	166	}
	167
1d14ffa9 FB	168	static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
	169	{
	170	glue (audio_pcm_sw_free_resources_, TYPE) (sw);
fb7da626 MA	171	g_free (sw->name);
fb7da626 MA	172	sw->name = NULL;
1d14ffa9 FB	173	}
	174
	175	static void glue (audio_pcm_hw_add_sw_, TYPE) (HW hw, SW sw)
	176	{
72cf2d4f	177	QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
1d14ffa9 FB	178	}
	179
	180	static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
	181	{
72cf2d4f	182	QLIST_REMOVE (sw, entries);
1d14ffa9 FB	183	}
1d14ffa9 FB	184
1a7dafce	185	static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
1d14ffa9	186	{
c0fe3827	187	HW hw = hwp;
526fb058	188	AudioState *s = hw->s;
1d14ffa9	189
1d14ffa9	190	if (!hw->sw_head.lh_first) {
8ead62cf FB	191	#ifdef DAC
	192	audio_detach_capture (hw);
	193	#endif
72cf2d4f	194	QLIST_REMOVE (hw, entries);
b28fb27b	195	glue (hw->pcm_ops->fini_, TYPE) (hw);
c0fe3827 FB	196	glue (s->nb_hw_voices_, TYPE) += 1;
c0fe3827 FB	197	glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
7267c094	198	g_free (hw);
c0fe3827	199	*hwp = NULL;
1d14ffa9 FB	200	}
	201	}
	202
526fb058	203	static HW glue(audio_pcm_hw_find_any_, TYPE)(AudioState s, HW *hw)
1d14ffa9	204	{
1a7dafce	205	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	206	}
1d14ffa9 FB	207
526fb058	208	static HW glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState s, HW *hw)
1d14ffa9	209	{
526fb058	210	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	211	if (hw->enabled) {
1d14ffa9 FB	212	return hw;
	213	}
	214	}
	215	return NULL;
	216	}
	217
526fb058 KZ	218	static HW glue(audio_pcm_hw_find_specific_, TYPE)(AudioState s, HW *hw,
526fb058 KZ	219	struct audsettings *as)
1d14ffa9	220	{
526fb058	221	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	222	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	223	return hw;
	224	}
	225	}
	226	return NULL;
	227	}
	228
526fb058 KZ	229	static HW glue(audio_pcm_hw_add_new_, TYPE)(AudioState s,
526fb058 KZ	230	struct audsettings *as)
1d14ffa9 FB	231	{
1d14ffa9 FB	232	HW *hw;
571ec3d6	233	struct audio_driver *drv = s->drv;
1d14ffa9	234
571ec3d6 FB	235	if (!glue (s->nb_hw_voices_, TYPE)) {
	236	return NULL;
	237	}
1d14ffa9	238
470bcabd	239	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	240	dolog ("No host audio driver\n");
571ec3d6 FB	241	return NULL;
1d14ffa9 FB	242	}
1d14ffa9 FB	243
470bcabd	244	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	245	dolog ("Host audio driver without pcm_ops\n");
	246	return NULL;
	247	}
	248
470bcabd	249	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	250	if (!hw) {
	251	dolog ("Can not allocate voice `%s' size %d\n",
	252	drv->name, glue (drv->voice_size_, TYPE));
	253	return NULL;
	254	}
	255
526fb058	256	hw->s = s;
571ec3d6	257	hw->pcm_ops = drv->pcm_ops;
c01b2456 MAL	258	hw->ctl_caps = drv->ctl_caps;
c01b2456 MAL	259
72cf2d4f	260	QLIST_INIT (&hw->sw_head);
8ead62cf	261	#ifdef DAC
72cf2d4f	262	QLIST_INIT (&hw->cap_head);
8ead62cf	263	#endif
5706db1d	264	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	265	goto err0;
	266	}
	267
470bcabd	268	if (audio_bug(__func__, hw->samples <= 0)) {
7520462b	269	dolog("hw->samples=%zd\n", hw->samples);
571ec3d6 FB	270	goto err1;
	271	}
	272
	273	#ifdef DAC
	274	hw->clip = mixeng_clip
	275	#else
	276	hw->conv = mixeng_conv
	277	#endif
	278	[hw->info.nchannels == 2]
	279	[hw->info.sign]
d929eba5	280	[hw->info.swap_endianness]
f941aa25	281	[audio_bits_to_index (hw->info.bits)];
571ec3d6	282
7520462b	283	if (!glue(audio_pcm_hw_alloc_resources_, TYPE)(hw)) {
571ec3d6 FB	284	goto err1;
	285	}
	286
72cf2d4f	287	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	288	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	289	#ifdef DAC
1a7dafce	290	audio_attach_capture (hw);
8ead62cf	291	#endif
571ec3d6 FB	292	return hw;
	293
	294	err1:
	295	glue (hw->pcm_ops->fini_, TYPE) (hw);
	296	err0:
7267c094	297	g_free (hw);
1d14ffa9 FB	298	return NULL;
	299	}
	300
71830221 KZ	301	AudiodevPerDirectionOptions glue(audio_get_pdo_, TYPE)(Audiodev dev)
	302	{
	303	switch (dev->driver) {
	304	case AUDIODEV_DRIVER_NONE:
	305	return dev->u.none.TYPE;
	306	case AUDIODEV_DRIVER_ALSA:
	307	return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
	308	case AUDIODEV_DRIVER_COREAUDIO:
	309	return qapi_AudiodevCoreaudioPerDirectionOptions_base(
	310	dev->u.coreaudio.TYPE);
	311	case AUDIODEV_DRIVER_DSOUND:
	312	return dev->u.dsound.TYPE;
	313	case AUDIODEV_DRIVER_OSS:
	314	return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
	315	case AUDIODEV_DRIVER_PA:
	316	return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
	317	case AUDIODEV_DRIVER_SDL:
	318	return dev->u.sdl.TYPE;
	319	case AUDIODEV_DRIVER_SPICE:
	320	return dev->u.spice.TYPE;
	321	case AUDIODEV_DRIVER_WAV:
	322	return dev->u.wav.TYPE;
	323
	324	case AUDIODEV_DRIVER__MAX:
	325	break;
	326	}
	327	abort();
	328	}
	329
526fb058	330	static HW glue(audio_pcm_hw_add_, TYPE)(AudioState s, struct audsettings *as)
1d14ffa9 FB	331	{
1d14ffa9 FB	332	HW *hw;
71830221	333	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	334
71830221	335	if (pdo->fixed_settings) {
526fb058	336	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	337	if (hw) {
	338	return hw;
	339	}
	340	}
	341
526fb058	342	hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
1d14ffa9 FB	343	if (hw) {
	344	return hw;
	345	}
	346
526fb058	347	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	348	if (hw) {
	349	return hw;
	350	}
	351
526fb058	352	return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
1d14ffa9 FB	353	}
1d14ffa9 FB	354
526fb058 KZ	355	static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
526fb058 KZ	356	AudioState *s,
c0fe3827	357	const char *sw_name,
1ea879e5	358	struct audsettings *as
1d14ffa9 FB	359	)
	360	{
	361	SW *sw;
	362	HW *hw;
1ea879e5	363	struct audsettings hw_as;
71830221	364	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	365
71830221 KZ	366	if (pdo->fixed_settings) {
71830221 KZ	367	hw_as = audiodev_to_audsettings(pdo);
c0fe3827 FB	368	}
	369	else {
	370	hw_as = *as;
1d14ffa9 FB	371	}
1d14ffa9 FB	372
470bcabd	373	sw = audio_calloc(__func__, 1, sizeof(*sw));
1d14ffa9	374	if (!sw) {
e7cad338	375	dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
c0fe3827	376	sw_name ? sw_name : "unknown", sizeof (*sw));
1d14ffa9 FB	377	goto err1;
1d14ffa9 FB	378	}
526fb058	379	sw->s = s;
1d14ffa9	380
526fb058	381	hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
1d14ffa9 FB	382	if (!hw) {
	383	goto err2;
	384	}
	385
	386	glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
	387
d929eba5	388	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
1d14ffa9 FB	389	goto err3;
	390	}
	391
	392	return sw;
	393
	394	err3:
	395	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	396	glue (audio_pcm_hw_gc_, TYPE) (&hw);
1d14ffa9	397	err2:
7267c094	398	g_free (sw);
1d14ffa9 FB	399	err1:
	400	return NULL;
	401	}
	402
1a7dafce	403	static void glue (audio_close_, TYPE) (SW *sw)
c0fe3827 FB	404	{
	405	glue (audio_pcm_sw_fini_, TYPE) (sw);
	406	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	407	glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
7267c094	408	g_free (sw);
c0fe3827	409	}
571ec3d6	410
c0fe3827	411	void glue (AUD_close_, TYPE) (QEMUSoundCard card, SW sw)
1d14ffa9 FB	412	{
1d14ffa9 FB	413	if (sw) {
470bcabd	414	if (audio_bug(__func__, !card)) {
1a7dafce	415	dolog ("card=%p\n", card);
c0fe3827 FB	416	return;
	417	}
	418
1a7dafce	419	glue (audio_close_, TYPE) (sw);
1d14ffa9 FB	420	}
	421	}
	422
	423	SW *glue (AUD_open_, TYPE) (
c0fe3827	424	QEMUSoundCard *card,
1d14ffa9 FB	425	SW *sw,
	426	const char *name,
	427	void *callback_opaque ,
cb4f03e8	428	audio_callback_fn callback_fn,
1ea879e5	429	struct audsettings *as
1d14ffa9 FB	430	)
1d14ffa9 FB	431	{
ecd97e95	432	AudioState *s = card->state;
71830221	433	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	434
470bcabd	435	if (audio_bug(__func__, !card \|\| !name \|\| !callback_fn \|\| !as)) {
1a7dafce	436	dolog ("card=%p name=%p callback_fn=%p as=%p\n",
1a7dafce	437	card, name, callback_fn, as);
1d14ffa9 FB	438	goto fail;
	439	}
	440
93b65997 SW	441	ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
	442	name, as->freq, as->nchannels, as->fmt);
	443
470bcabd	444	if (audio_bug(__func__, audio_validate_settings(as))) {
c0fe3827	445	audio_print_settings (as);
1d14ffa9 FB	446	goto fail;
	447	}
	448
470bcabd	449	if (audio_bug(__func__, !s->drv)) {
c0fe3827	450	dolog ("Can not open `%s' (no host audio driver)\n", name);
1d14ffa9 FB	451	goto fail;
	452	}
	453
c0fe3827	454	if (sw && audio_pcm_info_eq (&sw->info, as)) {
1d14ffa9 FB	455	return sw;
	456	}
	457
71830221	458	if (!pdo->fixed_settings && sw) {
c0fe3827	459	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	460	sw = NULL;
	461	}
	462
	463	if (sw) {
	464	HW *hw = sw->hw;
	465
	466	if (!hw) {
c0fe3827 FB	467	dolog ("Internal logic error voice `%s' has no hardware store\n",
c0fe3827 FB	468	SW_NAME (sw));
1d14ffa9 FB	469	goto fail;
	470	}
	471
571ec3d6	472	glue (audio_pcm_sw_fini_, TYPE) (sw);
d929eba5	473	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
1d14ffa9 FB	474	goto fail;
	475	}
	476	}
	477	else {
526fb058	478	sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
1d14ffa9	479	if (!sw) {
c0fe3827	480	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	481	return NULL;
1d14ffa9 FB	482	}
	483	}
	484
7cbb28ed	485	sw->card = card;
	486	sw->vol = nominal_volume;
	487	sw->callback.fn = callback_fn;
	488	sw->callback.opaque = callback_opaque;
1d14ffa9	489
1d14ffa9	490	#ifdef DEBUG_AUDIO
7cbb28ed	491	dolog ("%s\n", name);
	492	audio_pcm_print_info ("hw", &sw->hw->info);
	493	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	494	#endif
1d14ffa9 FB	495
	496	return sw;
	497
	498	fail:
c0fe3827	499	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	500	return NULL;
	501	}
	502
	503	int glue (AUD_is_active_, TYPE) (SW *sw)
	504	{
	505	return sw ? sw->active : 0;
	506	}
	507
	508	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	509	{
	510	if (!sw) {
	511	return;
	512	}
	513
	514	ts->old_ts = sw->hw->ts_helper;
	515	}
	516
c0fe3827	517	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	518	{
	519	uint64_t delta, cur_ts, old_ts;
	520
	521	if (!sw) {
	522	return 0;
	523	}
	524
	525	cur_ts = sw->hw->ts_helper;
	526	old_ts = ts->old_ts;
0bfcd599	527	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	528
	529	if (cur_ts >= old_ts) {
	530	delta = cur_ts - old_ts;
	531	}
	532	else {
	533	delta = UINT64_MAX - old_ts + cur_ts;
	534	}
	535
	536	if (!delta) {
	537	return 0;
	538	}
	539
4f4cc0ef	540	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	541	}
	542
	543	#undef TYPE
	544	#undef HW
	545	#undef SW
571ec3d6 FB	546	#undef HWBUF
571ec3d6 FB	547	#undef NAME