[mirror_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 void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
{
    size_t samples = hw->samples;
    if (audio_bug(__func__, samples == 0)) {
        dolog("Attempted to allocate empty buffer\n");
    }

    HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
    HWBUF->size = samples;
}

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->HWBUF->size << 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;

    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)];

    glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);

    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
dc88e38f	79	static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
571ec3d6	80	{
dc88e38f KZ	81	size_t samples = hw->samples;
	82	if (audio_bug(__func__, samples == 0)) {
	83	dolog("Attempted to allocate empty buffer\n");
c0fe3827 FB	84	}
c0fe3827 FB	85
dc88e38f KZ	86	HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
dc88e38f KZ	87	HWBUF->size = samples;
571ec3d6 FB	88	}
	89
	90	static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
	91	{
fb7da626	92	g_free (sw->buf);
571ec3d6 FB	93
	94	if (sw->rate) {
	95	st_rate_stop (sw->rate);
	96	}
	97
	98	sw->buf = NULL;
	99	sw->rate = NULL;
	100	}
	101
	102	static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
	103	{
	104	int samples;
	105
dc88e38f	106	samples = ((int64_t) sw->HWBUF->size << 32) / sw->ratio;
c0fe3827	107
470bcabd	108	sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample));
571ec3d6 FB	109	if (!sw->buf) {
	110	dolog ("Could not allocate buffer for `%s' (%d samples)\n",
	111	SW_NAME (sw), samples);
c0fe3827 FB	112	return -1;
	113	}
	114
571ec3d6 FB	115	#ifdef DAC
	116	sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
	117	#else
	118	sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
	119	#endif
	120	if (!sw->rate) {
7267c094	121	g_free (sw->buf);
571ec3d6 FB	122	sw->buf = NULL;
	123	return -1;
	124	}
c0fe3827 FB	125	return 0;
	126	}
	127
571ec3d6 FB	128	static int glue (audio_pcm_sw_init_, TYPE) (
	129	SW *sw,
	130	HW *hw,
	131	const char *name,
1ea879e5	132	struct audsettings *as
571ec3d6 FB	133	)
	134	{
	135	int err;
	136
d929eba5	137	audio_pcm_init_info (&sw->info, as);
571ec3d6 FB	138	sw->hw = hw;
	139	sw->active = 0;
	140	#ifdef DAC
	141	sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
	142	sw->total_hw_samples_mixed = 0;
	143	sw->empty = 1;
	144	#else
	145	sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
	146	#endif
	147
	148	#ifdef DAC
	149	sw->conv = mixeng_conv
	150	#else
	151	sw->clip = mixeng_clip
	152	#endif
	153	[sw->info.nchannels == 2]
	154	[sw->info.sign]
d929eba5	155	[sw->info.swap_endianness]
f941aa25	156	[audio_bits_to_index (sw->info.bits)];
571ec3d6	157
7267c094	158	sw->name = g_strdup (name);
571ec3d6 FB	159	err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
571ec3d6 FB	160	if (err) {
7267c094	161	g_free (sw->name);
571ec3d6 FB	162	sw->name = NULL;
	163	}
	164	return err;
	165	}
	166
1d14ffa9 FB	167	static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
	168	{
	169	glue (audio_pcm_sw_free_resources_, TYPE) (sw);
fb7da626 MA	170	g_free (sw->name);
fb7da626 MA	171	sw->name = NULL;
1d14ffa9 FB	172	}
	173
	174	static void glue (audio_pcm_hw_add_sw_, TYPE) (HW hw, SW sw)
	175	{
72cf2d4f	176	QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
1d14ffa9 FB	177	}
	178
	179	static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
	180	{
72cf2d4f	181	QLIST_REMOVE (sw, entries);
1d14ffa9 FB	182	}
1d14ffa9 FB	183
1a7dafce	184	static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
1d14ffa9	185	{
c0fe3827	186	HW hw = hwp;
526fb058	187	AudioState *s = hw->s;
1d14ffa9	188
1d14ffa9	189	if (!hw->sw_head.lh_first) {
8ead62cf FB	190	#ifdef DAC
	191	audio_detach_capture (hw);
	192	#endif
72cf2d4f	193	QLIST_REMOVE (hw, entries);
b28fb27b	194	glue (hw->pcm_ops->fini_, TYPE) (hw);
c0fe3827 FB	195	glue (s->nb_hw_voices_, TYPE) += 1;
c0fe3827 FB	196	glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
7267c094	197	g_free (hw);
c0fe3827	198	*hwp = NULL;
1d14ffa9 FB	199	}
	200	}
	201
526fb058	202	static HW glue(audio_pcm_hw_find_any_, TYPE)(AudioState s, HW *hw)
1d14ffa9	203	{
1a7dafce	204	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	205	}
1d14ffa9 FB	206
526fb058	207	static HW glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState s, HW *hw)
1d14ffa9	208	{
526fb058	209	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	210	if (hw->enabled) {
1d14ffa9 FB	211	return hw;
	212	}
	213	}
	214	return NULL;
	215	}
	216
526fb058 KZ	217	static HW glue(audio_pcm_hw_find_specific_, TYPE)(AudioState s, HW *hw,
526fb058 KZ	218	struct audsettings *as)
1d14ffa9	219	{
526fb058	220	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	221	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	222	return hw;
	223	}
	224	}
	225	return NULL;
	226	}
	227
526fb058 KZ	228	static HW glue(audio_pcm_hw_add_new_, TYPE)(AudioState s,
526fb058 KZ	229	struct audsettings *as)
1d14ffa9 FB	230	{
1d14ffa9 FB	231	HW *hw;
571ec3d6	232	struct audio_driver *drv = s->drv;
1d14ffa9	233
571ec3d6 FB	234	if (!glue (s->nb_hw_voices_, TYPE)) {
	235	return NULL;
	236	}
1d14ffa9	237
470bcabd	238	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	239	dolog ("No host audio driver\n");
571ec3d6 FB	240	return NULL;
1d14ffa9 FB	241	}
1d14ffa9 FB	242
470bcabd	243	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	244	dolog ("Host audio driver without pcm_ops\n");
	245	return NULL;
	246	}
	247
470bcabd	248	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	249	if (!hw) {
	250	dolog ("Can not allocate voice `%s' size %d\n",
	251	drv->name, glue (drv->voice_size_, TYPE));
	252	return NULL;
	253	}
	254
526fb058	255	hw->s = s;
571ec3d6	256	hw->pcm_ops = drv->pcm_ops;
c01b2456	257
72cf2d4f	258	QLIST_INIT (&hw->sw_head);
8ead62cf	259	#ifdef DAC
72cf2d4f	260	QLIST_INIT (&hw->cap_head);
8ead62cf	261	#endif
5706db1d	262	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	263	goto err0;
	264	}
	265
470bcabd	266	if (audio_bug(__func__, hw->samples <= 0)) {
7520462b	267	dolog("hw->samples=%zd\n", hw->samples);
571ec3d6 FB	268	goto err1;
	269	}
	270
	271	#ifdef DAC
	272	hw->clip = mixeng_clip
	273	#else
	274	hw->conv = mixeng_conv
	275	#endif
	276	[hw->info.nchannels == 2]
	277	[hw->info.sign]
d929eba5	278	[hw->info.swap_endianness]
f941aa25	279	[audio_bits_to_index (hw->info.bits)];
571ec3d6	280
dc88e38f	281	glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);
571ec3d6	282
72cf2d4f	283	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	284	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	285	#ifdef DAC
1a7dafce	286	audio_attach_capture (hw);
8ead62cf	287	#endif
571ec3d6 FB	288	return hw;
	289
	290	err1:
	291	glue (hw->pcm_ops->fini_, TYPE) (hw);
	292	err0:
7267c094	293	g_free (hw);
1d14ffa9 FB	294	return NULL;
	295	}
	296
71830221 KZ	297	AudiodevPerDirectionOptions glue(audio_get_pdo_, TYPE)(Audiodev dev)
	298	{
	299	switch (dev->driver) {
	300	case AUDIODEV_DRIVER_NONE:
	301	return dev->u.none.TYPE;
	302	case AUDIODEV_DRIVER_ALSA:
	303	return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
	304	case AUDIODEV_DRIVER_COREAUDIO:
	305	return qapi_AudiodevCoreaudioPerDirectionOptions_base(
	306	dev->u.coreaudio.TYPE);
	307	case AUDIODEV_DRIVER_DSOUND:
	308	return dev->u.dsound.TYPE;
	309	case AUDIODEV_DRIVER_OSS:
	310	return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
	311	case AUDIODEV_DRIVER_PA:
	312	return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
	313	case AUDIODEV_DRIVER_SDL:
	314	return dev->u.sdl.TYPE;
	315	case AUDIODEV_DRIVER_SPICE:
	316	return dev->u.spice.TYPE;
	317	case AUDIODEV_DRIVER_WAV:
	318	return dev->u.wav.TYPE;
	319
	320	case AUDIODEV_DRIVER__MAX:
	321	break;
	322	}
	323	abort();
	324	}
	325
526fb058	326	static HW glue(audio_pcm_hw_add_, TYPE)(AudioState s, struct audsettings *as)
1d14ffa9 FB	327	{
1d14ffa9 FB	328	HW *hw;
71830221	329	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	330
71830221	331	if (pdo->fixed_settings) {
526fb058	332	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	333	if (hw) {
	334	return hw;
	335	}
	336	}
	337
526fb058	338	hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
1d14ffa9 FB	339	if (hw) {
	340	return hw;
	341	}
	342
526fb058	343	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	344	if (hw) {
	345	return hw;
	346	}
	347
526fb058	348	return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
1d14ffa9 FB	349	}
1d14ffa9 FB	350
526fb058 KZ	351	static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
526fb058 KZ	352	AudioState *s,
c0fe3827	353	const char *sw_name,
1ea879e5	354	struct audsettings *as
1d14ffa9 FB	355	)
	356	{
	357	SW *sw;
	358	HW *hw;
1ea879e5	359	struct audsettings hw_as;
71830221	360	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	361
71830221 KZ	362	if (pdo->fixed_settings) {
71830221 KZ	363	hw_as = audiodev_to_audsettings(pdo);
c0fe3827 FB	364	}
	365	else {
	366	hw_as = *as;
1d14ffa9 FB	367	}
1d14ffa9 FB	368
470bcabd	369	sw = audio_calloc(__func__, 1, sizeof(*sw));
1d14ffa9	370	if (!sw) {
e7cad338	371	dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
c0fe3827	372	sw_name ? sw_name : "unknown", sizeof (*sw));
1d14ffa9 FB	373	goto err1;
1d14ffa9 FB	374	}
526fb058	375	sw->s = s;
1d14ffa9	376
526fb058	377	hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
1d14ffa9 FB	378	if (!hw) {
	379	goto err2;
	380	}
	381
	382	glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
	383
d929eba5	384	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
1d14ffa9 FB	385	goto err3;
	386	}
	387
	388	return sw;
	389
	390	err3:
	391	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	392	glue (audio_pcm_hw_gc_, TYPE) (&hw);
1d14ffa9	393	err2:
7267c094	394	g_free (sw);
1d14ffa9 FB	395	err1:
	396	return NULL;
	397	}
	398
1a7dafce	399	static void glue (audio_close_, TYPE) (SW *sw)
c0fe3827 FB	400	{
	401	glue (audio_pcm_sw_fini_, TYPE) (sw);
	402	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	403	glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
7267c094	404	g_free (sw);
c0fe3827	405	}
571ec3d6	406
c0fe3827	407	void glue (AUD_close_, TYPE) (QEMUSoundCard card, SW sw)
1d14ffa9 FB	408	{
1d14ffa9 FB	409	if (sw) {
470bcabd	410	if (audio_bug(__func__, !card)) {
1a7dafce	411	dolog ("card=%p\n", card);
c0fe3827 FB	412	return;
	413	}
	414
1a7dafce	415	glue (audio_close_, TYPE) (sw);
1d14ffa9 FB	416	}
	417	}
	418
	419	SW *glue (AUD_open_, TYPE) (
c0fe3827	420	QEMUSoundCard *card,
1d14ffa9 FB	421	SW *sw,
	422	const char *name,
	423	void *callback_opaque ,
cb4f03e8	424	audio_callback_fn callback_fn,
1ea879e5	425	struct audsettings *as
1d14ffa9 FB	426	)
1d14ffa9 FB	427	{
ecd97e95	428	AudioState *s = card->state;
71830221	429	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	430
470bcabd	431	if (audio_bug(__func__, !card \|\| !name \|\| !callback_fn \|\| !as)) {
1a7dafce	432	dolog ("card=%p name=%p callback_fn=%p as=%p\n",
1a7dafce	433	card, name, callback_fn, as);
1d14ffa9 FB	434	goto fail;
	435	}
	436
93b65997 SW	437	ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
	438	name, as->freq, as->nchannels, as->fmt);
	439
470bcabd	440	if (audio_bug(__func__, audio_validate_settings(as))) {
c0fe3827	441	audio_print_settings (as);
1d14ffa9 FB	442	goto fail;
	443	}
	444
470bcabd	445	if (audio_bug(__func__, !s->drv)) {
c0fe3827	446	dolog ("Can not open `%s' (no host audio driver)\n", name);
1d14ffa9 FB	447	goto fail;
	448	}
	449
c0fe3827	450	if (sw && audio_pcm_info_eq (&sw->info, as)) {
1d14ffa9 FB	451	return sw;
	452	}
	453
71830221	454	if (!pdo->fixed_settings && sw) {
c0fe3827	455	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	456	sw = NULL;
	457	}
	458
	459	if (sw) {
	460	HW *hw = sw->hw;
	461
	462	if (!hw) {
c0fe3827 FB	463	dolog ("Internal logic error voice `%s' has no hardware store\n",
c0fe3827 FB	464	SW_NAME (sw));
1d14ffa9 FB	465	goto fail;
	466	}
	467
571ec3d6	468	glue (audio_pcm_sw_fini_, TYPE) (sw);
d929eba5	469	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
1d14ffa9 FB	470	goto fail;
	471	}
	472	}
	473	else {
526fb058	474	sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
1d14ffa9	475	if (!sw) {
c0fe3827	476	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	477	return NULL;
1d14ffa9 FB	478	}
	479	}
	480
7cbb28ed	481	sw->card = card;
	482	sw->vol = nominal_volume;
	483	sw->callback.fn = callback_fn;
	484	sw->callback.opaque = callback_opaque;
1d14ffa9	485
1d14ffa9	486	#ifdef DEBUG_AUDIO
7cbb28ed	487	dolog ("%s\n", name);
	488	audio_pcm_print_info ("hw", &sw->hw->info);
	489	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	490	#endif
1d14ffa9 FB	491
	492	return sw;
	493
	494	fail:
c0fe3827	495	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	496	return NULL;
	497	}
	498
	499	int glue (AUD_is_active_, TYPE) (SW *sw)
	500	{
	501	return sw ? sw->active : 0;
	502	}
	503
	504	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	505	{
	506	if (!sw) {
	507	return;
	508	}
	509
	510	ts->old_ts = sw->hw->ts_helper;
	511	}
	512
c0fe3827	513	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	514	{
	515	uint64_t delta, cur_ts, old_ts;
	516
	517	if (!sw) {
	518	return 0;
	519	}
	520
	521	cur_ts = sw->hw->ts_helper;
	522	old_ts = ts->old_ts;
0bfcd599	523	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	524
	525	if (cur_ts >= old_ts) {
	526	delta = cur_ts - old_ts;
	527	}
	528	else {
	529	delta = UINT64_MAX - old_ts + cur_ts;
	530	}
	531
	532	if (!delta) {
	533	return 0;
	534	}
	535
4f4cc0ef	536	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	537	}
	538
	539	#undef TYPE
	540	#undef HW
	541	#undef SW
571ec3d6 FB	542	#undef HWBUF
571ec3d6 FB	543	#undef NAME