[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) (struct audio_driver *drv)
{
    AudioState *s = &glob_audio_state;
    int max_voices = glue (drv->max_voices_, TYPE);
    int voice_size = glue (drv->voice_size_, TYPE);

    if (glue (s->nb_hw_voices_, TYPE) > max_voices) {
        if (!max_voices) {
#ifdef DAC
            dolog ("Driver `%s' does not support " NAME "\n", drv->name);
#endif
        }
        else {
            dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
                   drv->name,
                   glue (s->nb_hw_voices_, TYPE),
                   max_voices);
        }
        glue (s->nb_hw_voices_, TYPE) = max_voices;
    }

    if (audio_bug(__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 (HWBUF);
    HWBUF = NULL;
}

static int 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 (%d samples)\n",
               hw->samples);
        return -1;
    }

    return 0;
}

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)
{
    AudioState *s = &glob_audio_state;
    HW *hw = *hwp;

    if (!hw->sw_head.lh_first) {
#ifdef DAC
        audio_detach_capture (hw);
#endif
        QLIST_REMOVE (hw, entries);
        glue (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) (HW *hw)
{
    AudioState *s = &glob_audio_state;
    return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
}

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

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

static HW *glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings *as)
{
    HW *hw;
    AudioState *s = &glob_audio_state;
    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->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=%d\n", hw->samples);
        goto err1;
    }

#ifdef DAC
    hw->clip = mixeng_clip
#else
    hw->conv = mixeng_conv
#endif
        [hw->info.nchannels == 2]
        [hw->info.sign]
        [hw->info.swap_endianness]
        [audio_bits_to_index (hw->info.bits)];

    if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
        goto err1;
    }

    QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
    glue (s->nb_hw_voices_, TYPE) -= 1;
#ifdef DAC
    audio_attach_capture (hw);
#endif
    return hw;

 err1:
    glue (hw->pcm_ops->fini_, TYPE) (hw);
 err0:
    g_free (hw);
    return NULL;
}

static HW *glue (audio_pcm_hw_add_, TYPE) (struct audsettings *as)
{
    HW *hw;

    if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
        hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
        if (hw) {
            return hw;
        }
    }

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

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

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

static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
    const char *sw_name,
    struct audsettings *as
    )
{
    SW *sw;
    HW *hw;
    struct audsettings hw_as;

    if (glue (conf.fixed_, TYPE).enabled) {
        hw_as = glue (conf.fixed_, TYPE).settings;
    }
    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;
    }

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

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

    if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, 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 = &glob_audio_state;

    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 (!glue (conf.fixed_, TYPE).enabled && 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) (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
1a7dafce	39	static void glue (audio_init_nb_voices_, TYPE) (struct audio_driver *drv)
c0fe3827	40	{
1a7dafce	41	AudioState *s = &glob_audio_state;
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	{
fb7da626	74	g_free (HWBUF);
571ec3d6 FB	75	HWBUF = NULL;
	76	}
	77
	78	static int glue (audio_pcm_hw_alloc_resources_, TYPE) (HW *hw)
	79	{
470bcabd	80	HWBUF = audio_calloc(__func__, hw->samples, sizeof(struct st_sample));
571ec3d6 FB	81	if (!HWBUF) {
	82	dolog ("Could not allocate " NAME " buffer (%d samples)\n",
	83	hw->samples);
c0fe3827 FB	84	return -1;
	85	}
	86
571ec3d6 FB	87	return 0;
	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
571ec3d6	106	samples = ((int64_t) sw->hw->samples << 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	{
1a7dafce	186	AudioState *s = &glob_audio_state;
c0fe3827	187	HW hw = hwp;
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
1a7dafce	202	static HW glue (audio_pcm_hw_find_any_, TYPE) (HW hw)
1d14ffa9	203	{
1a7dafce	204	AudioState *s = &glob_audio_state;
1a7dafce	205	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	206	}
1d14ffa9 FB	207
1a7dafce	208	static HW glue (audio_pcm_hw_find_any_enabled_, TYPE) (HW hw)
1d14ffa9	209	{
1a7dafce	210	while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
c0fe3827	211	if (hw->enabled) {
1d14ffa9 FB	212	return hw;
	213	}
	214	}
	215	return NULL;
	216	}
	217
1d14ffa9 FB	218	static HW *glue (audio_pcm_hw_find_specific_, TYPE) (
1d14ffa9 FB	219	HW *hw,
1ea879e5	220	struct audsettings *as
1d14ffa9 FB	221	)
1d14ffa9 FB	222	{
1a7dafce	223	while ((hw = glue (audio_pcm_hw_find_any_, TYPE) (hw))) {
c0fe3827	224	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	225	return hw;
	226	}
	227	}
	228	return NULL;
	229	}
	230
1a7dafce	231	static HW glue (audio_pcm_hw_add_new_, TYPE) (struct audsettings as)
1d14ffa9 FB	232	{
1d14ffa9 FB	233	HW *hw;
1a7dafce	234	AudioState *s = &glob_audio_state;
571ec3d6	235	struct audio_driver *drv = s->drv;
1d14ffa9	236
571ec3d6 FB	237	if (!glue (s->nb_hw_voices_, TYPE)) {
	238	return NULL;
	239	}
1d14ffa9	240
470bcabd	241	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	242	dolog ("No host audio driver\n");
571ec3d6 FB	243	return NULL;
1d14ffa9 FB	244	}
1d14ffa9 FB	245
470bcabd	246	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	247	dolog ("Host audio driver without pcm_ops\n");
	248	return NULL;
	249	}
	250
470bcabd	251	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	252	if (!hw) {
	253	dolog ("Can not allocate voice `%s' size %d\n",
	254	drv->name, glue (drv->voice_size_, TYPE));
	255	return NULL;
	256	}
	257
	258	hw->pcm_ops = drv->pcm_ops;
c01b2456 MAL	259	hw->ctl_caps = drv->ctl_caps;
c01b2456 MAL	260
72cf2d4f	261	QLIST_INIT (&hw->sw_head);
8ead62cf	262	#ifdef DAC
72cf2d4f	263	QLIST_INIT (&hw->cap_head);
8ead62cf	264	#endif
5706db1d	265	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	266	goto err0;
	267	}
	268
470bcabd	269	if (audio_bug(__func__, hw->samples <= 0)) {
571ec3d6 FB	270	dolog ("hw->samples=%d\n", hw->samples);
	271	goto err1;
	272	}
	273
	274	#ifdef DAC
	275	hw->clip = mixeng_clip
	276	#else
	277	hw->conv = mixeng_conv
	278	#endif
	279	[hw->info.nchannels == 2]
	280	[hw->info.sign]
d929eba5	281	[hw->info.swap_endianness]
f941aa25	282	[audio_bits_to_index (hw->info.bits)];
571ec3d6 FB	283
	284	if (glue (audio_pcm_hw_alloc_resources_, TYPE) (hw)) {
	285	goto err1;
	286	}
	287
72cf2d4f	288	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	289	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	290	#ifdef DAC
1a7dafce	291	audio_attach_capture (hw);
8ead62cf	292	#endif
571ec3d6 FB	293	return hw;
	294
	295	err1:
	296	glue (hw->pcm_ops->fini_, TYPE) (hw);
	297	err0:
7267c094	298	g_free (hw);
1d14ffa9 FB	299	return NULL;
	300	}
	301
1a7dafce	302	static HW glue (audio_pcm_hw_add_, TYPE) (struct audsettings as)
1d14ffa9 FB	303	{
	304	HW *hw;
	305
c0fe3827	306	if (glue (conf.fixed_, TYPE).enabled && glue (conf.fixed_, TYPE).greedy) {
1a7dafce	307	hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
1d14ffa9 FB	308	if (hw) {
	309	return hw;
	310	}
	311	}
	312
1a7dafce	313	hw = glue (audio_pcm_hw_find_specific_, TYPE) (NULL, as);
1d14ffa9 FB	314	if (hw) {
	315	return hw;
	316	}
	317
1a7dafce	318	hw = glue (audio_pcm_hw_add_new_, TYPE) (as);
1d14ffa9 FB	319	if (hw) {
	320	return hw;
	321	}
	322
1a7dafce	323	return glue (audio_pcm_hw_find_any_, TYPE) (NULL);
1d14ffa9 FB	324	}
	325
	326	static SW *glue (audio_pcm_create_voice_pair_, TYPE) (
c0fe3827	327	const char *sw_name,
1ea879e5	328	struct audsettings *as
1d14ffa9 FB	329	)
	330	{
	331	SW *sw;
	332	HW *hw;
1ea879e5	333	struct audsettings hw_as;
1d14ffa9	334
c0fe3827 FB	335	if (glue (conf.fixed_, TYPE).enabled) {
	336	hw_as = glue (conf.fixed_, TYPE).settings;
	337	}
	338	else {
	339	hw_as = *as;
1d14ffa9 FB	340	}
1d14ffa9 FB	341
470bcabd	342	sw = audio_calloc(__func__, 1, sizeof(*sw));
1d14ffa9	343	if (!sw) {
e7cad338	344	dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
c0fe3827	345	sw_name ? sw_name : "unknown", sizeof (*sw));
1d14ffa9 FB	346	goto err1;
	347	}
	348
1a7dafce	349	hw = glue (audio_pcm_hw_add_, TYPE) (&hw_as);
1d14ffa9 FB	350	if (!hw) {
	351	goto err2;
	352	}
	353
	354	glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
	355
d929eba5	356	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
1d14ffa9 FB	357	goto err3;
	358	}
	359
	360	return sw;
	361
	362	err3:
	363	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	364	glue (audio_pcm_hw_gc_, TYPE) (&hw);
1d14ffa9	365	err2:
7267c094	366	g_free (sw);
1d14ffa9 FB	367	err1:
	368	return NULL;
	369	}
	370
1a7dafce	371	static void glue (audio_close_, TYPE) (SW *sw)
c0fe3827 FB	372	{
	373	glue (audio_pcm_sw_fini_, TYPE) (sw);
	374	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	375	glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
7267c094	376	g_free (sw);
c0fe3827	377	}
571ec3d6	378
c0fe3827	379	void glue (AUD_close_, TYPE) (QEMUSoundCard card, SW sw)
1d14ffa9 FB	380	{
1d14ffa9 FB	381	if (sw) {
470bcabd	382	if (audio_bug(__func__, !card)) {
1a7dafce	383	dolog ("card=%p\n", card);
c0fe3827 FB	384	return;
	385	}
	386
1a7dafce	387	glue (audio_close_, TYPE) (sw);
1d14ffa9 FB	388	}
	389	}
	390
	391	SW *glue (AUD_open_, TYPE) (
c0fe3827	392	QEMUSoundCard *card,
1d14ffa9 FB	393	SW *sw,
	394	const char *name,
	395	void *callback_opaque ,
cb4f03e8	396	audio_callback_fn callback_fn,
1ea879e5	397	struct audsettings *as
1d14ffa9 FB	398	)
1d14ffa9 FB	399	{
1a7dafce	400	AudioState *s = &glob_audio_state;
1d14ffa9	401
470bcabd	402	if (audio_bug(__func__, !card \|\| !name \|\| !callback_fn \|\| !as)) {
1a7dafce	403	dolog ("card=%p name=%p callback_fn=%p as=%p\n",
1a7dafce	404	card, name, callback_fn, as);
1d14ffa9 FB	405	goto fail;
	406	}
	407
93b65997 SW	408	ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
	409	name, as->freq, as->nchannels, as->fmt);
	410
470bcabd	411	if (audio_bug(__func__, audio_validate_settings(as))) {
c0fe3827	412	audio_print_settings (as);
1d14ffa9 FB	413	goto fail;
	414	}
	415
470bcabd	416	if (audio_bug(__func__, !s->drv)) {
c0fe3827	417	dolog ("Can not open `%s' (no host audio driver)\n", name);
1d14ffa9 FB	418	goto fail;
	419	}
	420
c0fe3827	421	if (sw && audio_pcm_info_eq (&sw->info, as)) {
1d14ffa9 FB	422	return sw;
	423	}
	424
c0fe3827 FB	425	if (!glue (conf.fixed_, TYPE).enabled && sw) {
c0fe3827 FB	426	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	427	sw = NULL;
	428	}
	429
	430	if (sw) {
	431	HW *hw = sw->hw;
	432
	433	if (!hw) {
c0fe3827 FB	434	dolog ("Internal logic error voice `%s' has no hardware store\n",
c0fe3827 FB	435	SW_NAME (sw));
1d14ffa9 FB	436	goto fail;
	437	}
	438
571ec3d6	439	glue (audio_pcm_sw_fini_, TYPE) (sw);
d929eba5	440	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
1d14ffa9 FB	441	goto fail;
	442	}
	443	}
	444	else {
1a7dafce	445	sw = glue (audio_pcm_create_voice_pair_, TYPE) (name, as);
1d14ffa9	446	if (!sw) {
c0fe3827	447	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	448	return NULL;
1d14ffa9 FB	449	}
	450	}
	451
7cbb28ed	452	sw->card = card;
	453	sw->vol = nominal_volume;
	454	sw->callback.fn = callback_fn;
	455	sw->callback.opaque = callback_opaque;
1d14ffa9	456
1d14ffa9	457	#ifdef DEBUG_AUDIO
7cbb28ed	458	dolog ("%s\n", name);
	459	audio_pcm_print_info ("hw", &sw->hw->info);
	460	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	461	#endif
1d14ffa9 FB	462
	463	return sw;
	464
	465	fail:
c0fe3827	466	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	467	return NULL;
	468	}
	469
	470	int glue (AUD_is_active_, TYPE) (SW *sw)
	471	{
	472	return sw ? sw->active : 0;
	473	}
	474
	475	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	476	{
	477	if (!sw) {
	478	return;
	479	}
	480
	481	ts->old_ts = sw->hw->ts_helper;
	482	}
	483
c0fe3827	484	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	485	{
	486	uint64_t delta, cur_ts, old_ts;
	487
	488	if (!sw) {
	489	return 0;
	490	}
	491
	492	cur_ts = sw->hw->ts_helper;
	493	old_ts = ts->old_ts;
0bfcd599	494	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	495
	496	if (cur_ts >= old_ts) {
	497	delta = cur_ts - old_ts;
	498	}
	499	else {
	500	delta = UINT64_MAX - old_ts + cur_ts;
	501	}
	502
	503	if (!delta) {
	504	return 0;
	505	}
	506
4f4cc0ef	507	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	508	}
	509
	510	#undef TYPE
	511	#undef HW
	512	#undef SW
571ec3d6 FB	513	#undef HWBUF
571ec3d6 FB	514	#undef NAME