[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)
{
    if (glue(audio_get_pdo_, TYPE)(hw->s->dev)->mixing_engine) {
        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;
    } else {
        HWBUF = NULL;
    }
}

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;

    if (!glue(audio_get_pdo_, TYPE)(sw->s->dev)->mixing_engine) {
        return 0;
    }

    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->mixing_engine || pdo->fixed_settings) {
        hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
        if (!pdo->mixing_engine || 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;
    AudiodevPerDirectionOptions *pdo;

    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;
    }

    s = card->state;
    pdo = glue(audio_get_pdo_, TYPE)(s->dev);

    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	{
1930616b KZ	81	if (glue(audio_get_pdo_, TYPE)(hw->s->dev)->mixing_engine) {
	82	size_t samples = hw->samples;
	83	if (audio_bug(__func__, samples == 0)) {
	84	dolog("Attempted to allocate empty buffer\n");
	85	}
c0fe3827	86
1930616b KZ	87	HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
	88	HWBUF->size = samples;
	89	} else {
	90	HWBUF = NULL;
	91	}
571ec3d6 FB	92	}
	93
	94	static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
	95	{
fb7da626	96	g_free (sw->buf);
571ec3d6 FB	97
	98	if (sw->rate) {
	99	st_rate_stop (sw->rate);
	100	}
	101
	102	sw->buf = NULL;
	103	sw->rate = NULL;
	104	}
	105
	106	static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
	107	{
	108	int samples;
	109
1930616b KZ	110	if (!glue(audio_get_pdo_, TYPE)(sw->s->dev)->mixing_engine) {
	111	return 0;
	112	}
	113
dc88e38f	114	samples = ((int64_t) sw->HWBUF->size << 32) / sw->ratio;
c0fe3827	115
470bcabd	116	sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample));
571ec3d6 FB	117	if (!sw->buf) {
	118	dolog ("Could not allocate buffer for `%s' (%d samples)\n",
	119	SW_NAME (sw), samples);
c0fe3827 FB	120	return -1;
	121	}
	122
571ec3d6 FB	123	#ifdef DAC
	124	sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
	125	#else
	126	sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
	127	#endif
	128	if (!sw->rate) {
7267c094	129	g_free (sw->buf);
571ec3d6 FB	130	sw->buf = NULL;
	131	return -1;
	132	}
c0fe3827 FB	133	return 0;
	134	}
	135
571ec3d6 FB	136	static int glue (audio_pcm_sw_init_, TYPE) (
	137	SW *sw,
	138	HW *hw,
	139	const char *name,
1ea879e5	140	struct audsettings *as
571ec3d6 FB	141	)
	142	{
	143	int err;
	144
d929eba5	145	audio_pcm_init_info (&sw->info, as);
571ec3d6 FB	146	sw->hw = hw;
	147	sw->active = 0;
	148	#ifdef DAC
	149	sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
	150	sw->total_hw_samples_mixed = 0;
	151	sw->empty = 1;
	152	#else
	153	sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
	154	#endif
	155
	156	#ifdef DAC
	157	sw->conv = mixeng_conv
	158	#else
	159	sw->clip = mixeng_clip
	160	#endif
	161	[sw->info.nchannels == 2]
	162	[sw->info.sign]
d929eba5	163	[sw->info.swap_endianness]
f941aa25	164	[audio_bits_to_index (sw->info.bits)];
571ec3d6	165
7267c094	166	sw->name = g_strdup (name);
571ec3d6 FB	167	err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
571ec3d6 FB	168	if (err) {
7267c094	169	g_free (sw->name);
571ec3d6 FB	170	sw->name = NULL;
	171	}
	172	return err;
	173	}
	174
1d14ffa9 FB	175	static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
	176	{
	177	glue (audio_pcm_sw_free_resources_, TYPE) (sw);
fb7da626 MA	178	g_free (sw->name);
fb7da626 MA	179	sw->name = NULL;
1d14ffa9 FB	180	}
	181
	182	static void glue (audio_pcm_hw_add_sw_, TYPE) (HW hw, SW sw)
	183	{
72cf2d4f	184	QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
1d14ffa9 FB	185	}
	186
	187	static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
	188	{
72cf2d4f	189	QLIST_REMOVE (sw, entries);
1d14ffa9 FB	190	}
1d14ffa9 FB	191
1a7dafce	192	static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
1d14ffa9	193	{
c0fe3827	194	HW hw = hwp;
526fb058	195	AudioState *s = hw->s;
1d14ffa9	196
1d14ffa9	197	if (!hw->sw_head.lh_first) {
8ead62cf FB	198	#ifdef DAC
	199	audio_detach_capture (hw);
	200	#endif
72cf2d4f	201	QLIST_REMOVE (hw, entries);
b28fb27b	202	glue (hw->pcm_ops->fini_, TYPE) (hw);
c0fe3827 FB	203	glue (s->nb_hw_voices_, TYPE) += 1;
c0fe3827 FB	204	glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
7267c094	205	g_free (hw);
c0fe3827	206	*hwp = NULL;
1d14ffa9 FB	207	}
	208	}
	209
526fb058	210	static HW glue(audio_pcm_hw_find_any_, TYPE)(AudioState s, HW *hw)
1d14ffa9	211	{
1a7dafce	212	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	213	}
1d14ffa9 FB	214
526fb058	215	static HW glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState s, HW *hw)
1d14ffa9	216	{
526fb058	217	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	218	if (hw->enabled) {
1d14ffa9 FB	219	return hw;
	220	}
	221	}
	222	return NULL;
	223	}
	224
526fb058 KZ	225	static HW glue(audio_pcm_hw_find_specific_, TYPE)(AudioState s, HW *hw,
526fb058 KZ	226	struct audsettings *as)
1d14ffa9	227	{
526fb058	228	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	229	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	230	return hw;
	231	}
	232	}
	233	return NULL;
	234	}
	235
526fb058 KZ	236	static HW glue(audio_pcm_hw_add_new_, TYPE)(AudioState s,
526fb058 KZ	237	struct audsettings *as)
1d14ffa9 FB	238	{
1d14ffa9 FB	239	HW *hw;
571ec3d6	240	struct audio_driver *drv = s->drv;
1d14ffa9	241
571ec3d6 FB	242	if (!glue (s->nb_hw_voices_, TYPE)) {
	243	return NULL;
	244	}
1d14ffa9	245
470bcabd	246	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	247	dolog ("No host audio driver\n");
571ec3d6 FB	248	return NULL;
1d14ffa9 FB	249	}
1d14ffa9 FB	250
470bcabd	251	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	252	dolog ("Host audio driver without pcm_ops\n");
	253	return NULL;
	254	}
	255
470bcabd	256	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	257	if (!hw) {
	258	dolog ("Can not allocate voice `%s' size %d\n",
	259	drv->name, glue (drv->voice_size_, TYPE));
	260	return NULL;
	261	}
	262
526fb058	263	hw->s = s;
571ec3d6	264	hw->pcm_ops = drv->pcm_ops;
c01b2456	265
72cf2d4f	266	QLIST_INIT (&hw->sw_head);
8ead62cf	267	#ifdef DAC
72cf2d4f	268	QLIST_INIT (&hw->cap_head);
8ead62cf	269	#endif
5706db1d	270	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	271	goto err0;
	272	}
	273
470bcabd	274	if (audio_bug(__func__, hw->samples <= 0)) {
7520462b	275	dolog("hw->samples=%zd\n", hw->samples);
571ec3d6 FB	276	goto err1;
	277	}
	278
	279	#ifdef DAC
	280	hw->clip = mixeng_clip
	281	#else
	282	hw->conv = mixeng_conv
	283	#endif
	284	[hw->info.nchannels == 2]
	285	[hw->info.sign]
d929eba5	286	[hw->info.swap_endianness]
f941aa25	287	[audio_bits_to_index (hw->info.bits)];
571ec3d6	288
dc88e38f	289	glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);
571ec3d6	290
72cf2d4f	291	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	292	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	293	#ifdef DAC
1a7dafce	294	audio_attach_capture (hw);
8ead62cf	295	#endif
571ec3d6 FB	296	return hw;
	297
	298	err1:
	299	glue (hw->pcm_ops->fini_, TYPE) (hw);
	300	err0:
7267c094	301	g_free (hw);
1d14ffa9 FB	302	return NULL;
	303	}
	304
71830221 KZ	305	AudiodevPerDirectionOptions glue(audio_get_pdo_, TYPE)(Audiodev dev)
	306	{
	307	switch (dev->driver) {
	308	case AUDIODEV_DRIVER_NONE:
	309	return dev->u.none.TYPE;
	310	case AUDIODEV_DRIVER_ALSA:
	311	return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
	312	case AUDIODEV_DRIVER_COREAUDIO:
	313	return qapi_AudiodevCoreaudioPerDirectionOptions_base(
	314	dev->u.coreaudio.TYPE);
	315	case AUDIODEV_DRIVER_DSOUND:
	316	return dev->u.dsound.TYPE;
	317	case AUDIODEV_DRIVER_OSS:
	318	return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
	319	case AUDIODEV_DRIVER_PA:
	320	return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
	321	case AUDIODEV_DRIVER_SDL:
	322	return dev->u.sdl.TYPE;
	323	case AUDIODEV_DRIVER_SPICE:
	324	return dev->u.spice.TYPE;
	325	case AUDIODEV_DRIVER_WAV:
	326	return dev->u.wav.TYPE;
	327
	328	case AUDIODEV_DRIVER__MAX:
	329	break;
	330	}
	331	abort();
	332	}
	333
526fb058	334	static HW glue(audio_pcm_hw_add_, TYPE)(AudioState s, struct audsettings *as)
1d14ffa9 FB	335	{
1d14ffa9 FB	336	HW *hw;
71830221	337	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	338
1930616b	339	if (!pdo->mixing_engine \|\| pdo->fixed_settings) {
526fb058	340	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1930616b	341	if (!pdo->mixing_engine \|\| hw) {
1d14ffa9 FB	342	return hw;
	343	}
	344	}
	345
526fb058	346	hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
1d14ffa9 FB	347	if (hw) {
	348	return hw;
	349	}
	350
526fb058	351	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	352	if (hw) {
	353	return hw;
	354	}
	355
526fb058	356	return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
1d14ffa9 FB	357	}
1d14ffa9 FB	358
526fb058 KZ	359	static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
526fb058 KZ	360	AudioState *s,
c0fe3827	361	const char *sw_name,
1ea879e5	362	struct audsettings *as
1d14ffa9 FB	363	)
	364	{
	365	SW *sw;
	366	HW *hw;
1ea879e5	367	struct audsettings hw_as;
71830221	368	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	369
71830221 KZ	370	if (pdo->fixed_settings) {
71830221 KZ	371	hw_as = audiodev_to_audsettings(pdo);
c0fe3827 FB	372	}
	373	else {
	374	hw_as = *as;
1d14ffa9 FB	375	}
1d14ffa9 FB	376
470bcabd	377	sw = audio_calloc(__func__, 1, sizeof(*sw));
1d14ffa9	378	if (!sw) {
e7cad338	379	dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
c0fe3827	380	sw_name ? sw_name : "unknown", sizeof (*sw));
1d14ffa9 FB	381	goto err1;
1d14ffa9 FB	382	}
526fb058	383	sw->s = s;
1d14ffa9	384
526fb058	385	hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
1d14ffa9 FB	386	if (!hw) {
	387	goto err2;
	388	}
	389
	390	glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
	391
d929eba5	392	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
1d14ffa9 FB	393	goto err3;
	394	}
	395
	396	return sw;
	397
	398	err3:
	399	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	400	glue (audio_pcm_hw_gc_, TYPE) (&hw);
1d14ffa9	401	err2:
7267c094	402	g_free (sw);
1d14ffa9 FB	403	err1:
	404	return NULL;
	405	}
	406
1a7dafce	407	static void glue (audio_close_, TYPE) (SW *sw)
c0fe3827 FB	408	{
	409	glue (audio_pcm_sw_fini_, TYPE) (sw);
	410	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	411	glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
7267c094	412	g_free (sw);
c0fe3827	413	}
571ec3d6	414
c0fe3827	415	void glue (AUD_close_, TYPE) (QEMUSoundCard card, SW sw)
1d14ffa9 FB	416	{
1d14ffa9 FB	417	if (sw) {
470bcabd	418	if (audio_bug(__func__, !card)) {
1a7dafce	419	dolog ("card=%p\n", card);
c0fe3827 FB	420	return;
	421	}
	422
1a7dafce	423	glue (audio_close_, TYPE) (sw);
1d14ffa9 FB	424	}
	425	}
	426
	427	SW *glue (AUD_open_, TYPE) (
c0fe3827	428	QEMUSoundCard *card,
1d14ffa9 FB	429	SW *sw,
	430	const char *name,
	431	void *callback_opaque ,
cb4f03e8	432	audio_callback_fn callback_fn,
1ea879e5	433	struct audsettings *as
1d14ffa9 FB	434	)
1d14ffa9 FB	435	{
d1670b20 KZ	436	AudioState *s;
d1670b20 KZ	437	AudiodevPerDirectionOptions *pdo;
1d14ffa9	438
470bcabd	439	if (audio_bug(__func__, !card \|\| !name \|\| !callback_fn \|\| !as)) {
1a7dafce	440	dolog ("card=%p name=%p callback_fn=%p as=%p\n",
1a7dafce	441	card, name, callback_fn, as);
1d14ffa9 FB	442	goto fail;
	443	}
	444
d1670b20 KZ	445	s = card->state;
	446	pdo = glue(audio_get_pdo_, TYPE)(s->dev);
	447
93b65997 SW	448	ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
	449	name, as->freq, as->nchannels, as->fmt);
	450
470bcabd	451	if (audio_bug(__func__, audio_validate_settings(as))) {
c0fe3827	452	audio_print_settings (as);
1d14ffa9 FB	453	goto fail;
	454	}
	455
470bcabd	456	if (audio_bug(__func__, !s->drv)) {
c0fe3827	457	dolog ("Can not open `%s' (no host audio driver)\n", name);
1d14ffa9 FB	458	goto fail;
	459	}
	460
c0fe3827	461	if (sw && audio_pcm_info_eq (&sw->info, as)) {
1d14ffa9 FB	462	return sw;
	463	}
	464
71830221	465	if (!pdo->fixed_settings && sw) {
c0fe3827	466	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	467	sw = NULL;
	468	}
	469
	470	if (sw) {
	471	HW *hw = sw->hw;
	472
	473	if (!hw) {
c0fe3827 FB	474	dolog ("Internal logic error voice `%s' has no hardware store\n",
c0fe3827 FB	475	SW_NAME (sw));
1d14ffa9 FB	476	goto fail;
	477	}
	478
571ec3d6	479	glue (audio_pcm_sw_fini_, TYPE) (sw);
d929eba5	480	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
1d14ffa9 FB	481	goto fail;
	482	}
	483	}
	484	else {
526fb058	485	sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
1d14ffa9	486	if (!sw) {
c0fe3827	487	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	488	return NULL;
1d14ffa9 FB	489	}
	490	}
	491
7cbb28ed	492	sw->card = card;
	493	sw->vol = nominal_volume;
	494	sw->callback.fn = callback_fn;
	495	sw->callback.opaque = callback_opaque;
1d14ffa9	496
1d14ffa9	497	#ifdef DEBUG_AUDIO
7cbb28ed	498	dolog ("%s\n", name);
	499	audio_pcm_print_info ("hw", &sw->hw->info);
	500	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	501	#endif
1d14ffa9 FB	502
	503	return sw;
	504
	505	fail:
c0fe3827	506	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	507	return NULL;
	508	}
	509
	510	int glue (AUD_is_active_, TYPE) (SW *sw)
	511	{
	512	return sw ? sw->active : 0;
	513	}
	514
	515	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	516	{
	517	if (!sw) {
	518	return;
	519	}
	520
	521	ts->old_ts = sw->hw->ts_helper;
	522	}
	523
c0fe3827	524	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	525	{
	526	uint64_t delta, cur_ts, old_ts;
	527
	528	if (!sw) {
	529	return 0;
	530	}
	531
	532	cur_ts = sw->hw->ts_helper;
	533	old_ts = ts->old_ts;
0bfcd599	534	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	535
	536	if (cur_ts >= old_ts) {
	537	delta = cur_ts - old_ts;
	538	}
	539	else {
	540	delta = UINT64_MAX - old_ts + cur_ts;
	541	}
	542
	543	if (!delta) {
	544	return 0;
	545	}
	546
4f4cc0ef	547	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	548	}
	549
	550	#undef TYPE
	551	#undef HW
	552	#undef SW
571ec3d6 FB	553	#undef HWBUF
571ec3d6 FB	554	#undef NAME