[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 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

    if (sw->info.is_float) {
#ifdef DAC
        sw->conv = mixeng_conv_float[sw->info.nchannels == 2];
#else
        sw->clip = mixeng_clip_float[sw->info.nchannels == 2];
#endif
    } else {
#ifdef DAC
        sw->conv = mixeng_conv
#else
        sw->clip = mixeng_clip
#endif
            [sw->info.nchannels == 2]
            [sw->info.is_signed]
            [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;
    }

    if (hw->info.is_float) {
#ifdef DAC
        hw->clip = mixeng_clip_float[hw->info.nchannels == 2];
#else
        hw->conv = mixeng_conv_float[hw->info.nchannels == 2];
#endif
    } else {
#ifdef DAC
        hw->clip = mixeng_clip
#else
        hw->conv = mixeng_conv
#endif
            [hw->info.nchannels == 2]
            [hw->info.is_signed]
            [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
ed2a4a79	156	if (sw->info.is_float) {
571ec3d6	157	#ifdef DAC
ed2a4a79	158	sw->conv = mixeng_conv_float[sw->info.nchannels == 2];
571ec3d6	159	#else
ed2a4a79	160	sw->clip = mixeng_clip_float[sw->info.nchannels == 2];
571ec3d6	161	#endif
ed2a4a79 KZ	162	} else {
	163	#ifdef DAC
	164	sw->conv = mixeng_conv
	165	#else
	166	sw->clip = mixeng_clip
	167	#endif
	168	[sw->info.nchannels == 2]
	169	[sw->info.is_signed]
	170	[sw->info.swap_endianness]
	171	[audio_bits_to_index(sw->info.bits)];
	172	}
571ec3d6	173
7267c094	174	sw->name = g_strdup (name);
571ec3d6 FB	175	err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
571ec3d6 FB	176	if (err) {
7267c094	177	g_free (sw->name);
571ec3d6 FB	178	sw->name = NULL;
	179	}
	180	return err;
	181	}
	182
1d14ffa9 FB	183	static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
	184	{
	185	glue (audio_pcm_sw_free_resources_, TYPE) (sw);
fb7da626 MA	186	g_free (sw->name);
fb7da626 MA	187	sw->name = NULL;
1d14ffa9 FB	188	}
	189
	190	static void glue (audio_pcm_hw_add_sw_, TYPE) (HW hw, SW sw)
	191	{
72cf2d4f	192	QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
1d14ffa9 FB	193	}
	194
	195	static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
	196	{
72cf2d4f	197	QLIST_REMOVE (sw, entries);
1d14ffa9 FB	198	}
1d14ffa9 FB	199
1a7dafce	200	static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
1d14ffa9	201	{
c0fe3827	202	HW hw = hwp;
526fb058	203	AudioState *s = hw->s;
1d14ffa9	204
1d14ffa9	205	if (!hw->sw_head.lh_first) {
8ead62cf FB	206	#ifdef DAC
	207	audio_detach_capture (hw);
	208	#endif
72cf2d4f	209	QLIST_REMOVE (hw, entries);
b28fb27b	210	glue (hw->pcm_ops->fini_, TYPE) (hw);
c0fe3827 FB	211	glue (s->nb_hw_voices_, TYPE) += 1;
c0fe3827 FB	212	glue (audio_pcm_hw_free_resources_ ,TYPE) (hw);
7267c094	213	g_free (hw);
c0fe3827	214	*hwp = NULL;
1d14ffa9 FB	215	}
	216	}
	217
526fb058	218	static HW glue(audio_pcm_hw_find_any_, TYPE)(AudioState s, HW *hw)
1d14ffa9	219	{
1a7dafce	220	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	221	}
1d14ffa9 FB	222
526fb058	223	static HW glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState s, HW *hw)
1d14ffa9	224	{
526fb058	225	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	226	if (hw->enabled) {
1d14ffa9 FB	227	return hw;
	228	}
	229	}
	230	return NULL;
	231	}
	232
526fb058 KZ	233	static HW glue(audio_pcm_hw_find_specific_, TYPE)(AudioState s, HW *hw,
526fb058 KZ	234	struct audsettings *as)
1d14ffa9	235	{
526fb058	236	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	237	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	238	return hw;
	239	}
	240	}
	241	return NULL;
	242	}
	243
526fb058 KZ	244	static HW glue(audio_pcm_hw_add_new_, TYPE)(AudioState s,
526fb058 KZ	245	struct audsettings *as)
1d14ffa9 FB	246	{
1d14ffa9 FB	247	HW *hw;
571ec3d6	248	struct audio_driver *drv = s->drv;
1d14ffa9	249
571ec3d6 FB	250	if (!glue (s->nb_hw_voices_, TYPE)) {
	251	return NULL;
	252	}
1d14ffa9	253
470bcabd	254	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	255	dolog ("No host audio driver\n");
571ec3d6 FB	256	return NULL;
1d14ffa9 FB	257	}
1d14ffa9 FB	258
470bcabd	259	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	260	dolog ("Host audio driver without pcm_ops\n");
	261	return NULL;
	262	}
	263
470bcabd	264	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	265	if (!hw) {
	266	dolog ("Can not allocate voice `%s' size %d\n",
	267	drv->name, glue (drv->voice_size_, TYPE));
	268	return NULL;
	269	}
	270
526fb058	271	hw->s = s;
571ec3d6	272	hw->pcm_ops = drv->pcm_ops;
c01b2456	273
72cf2d4f	274	QLIST_INIT (&hw->sw_head);
8ead62cf	275	#ifdef DAC
72cf2d4f	276	QLIST_INIT (&hw->cap_head);
8ead62cf	277	#endif
5706db1d	278	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	279	goto err0;
	280	}
	281
470bcabd	282	if (audio_bug(__func__, hw->samples <= 0)) {
7520462b	283	dolog("hw->samples=%zd\n", hw->samples);
571ec3d6 FB	284	goto err1;
	285	}
	286
ed2a4a79	287	if (hw->info.is_float) {
180b044f	288	#ifdef DAC
ed2a4a79	289	hw->clip = mixeng_clip_float[hw->info.nchannels == 2];
180b044f	290	#else
ed2a4a79	291	hw->conv = mixeng_conv_float[hw->info.nchannels == 2];
180b044f	292	#endif
ed2a4a79	293	} else {
571ec3d6	294	#ifdef DAC
ed2a4a79	295	hw->clip = mixeng_clip
571ec3d6	296	#else
ed2a4a79	297	hw->conv = mixeng_conv
571ec3d6	298	#endif
ed2a4a79 KZ	299	[hw->info.nchannels == 2]
	300	[hw->info.is_signed]
	301	[hw->info.swap_endianness]
	302	[audio_bits_to_index(hw->info.bits)];
	303	}
571ec3d6	304
dc88e38f	305	glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);
571ec3d6	306
72cf2d4f	307	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	308	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	309	#ifdef DAC
1a7dafce	310	audio_attach_capture (hw);
8ead62cf	311	#endif
571ec3d6 FB	312	return hw;
	313
	314	err1:
	315	glue (hw->pcm_ops->fini_, TYPE) (hw);
	316	err0:
7267c094	317	g_free (hw);
1d14ffa9 FB	318	return NULL;
	319	}
	320
71830221 KZ	321	AudiodevPerDirectionOptions glue(audio_get_pdo_, TYPE)(Audiodev dev)
	322	{
	323	switch (dev->driver) {
	324	case AUDIODEV_DRIVER_NONE:
	325	return dev->u.none.TYPE;
	326	case AUDIODEV_DRIVER_ALSA:
	327	return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
	328	case AUDIODEV_DRIVER_COREAUDIO:
	329	return qapi_AudiodevCoreaudioPerDirectionOptions_base(
	330	dev->u.coreaudio.TYPE);
	331	case AUDIODEV_DRIVER_DSOUND:
	332	return dev->u.dsound.TYPE;
	333	case AUDIODEV_DRIVER_OSS:
	334	return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
	335	case AUDIODEV_DRIVER_PA:
	336	return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
	337	case AUDIODEV_DRIVER_SDL:
	338	return dev->u.sdl.TYPE;
	339	case AUDIODEV_DRIVER_SPICE:
	340	return dev->u.spice.TYPE;
	341	case AUDIODEV_DRIVER_WAV:
	342	return dev->u.wav.TYPE;
	343
	344	case AUDIODEV_DRIVER__MAX:
	345	break;
	346	}
	347	abort();
	348	}
	349
526fb058	350	static HW glue(audio_pcm_hw_add_, TYPE)(AudioState s, struct audsettings *as)
1d14ffa9 FB	351	{
1d14ffa9 FB	352	HW *hw;
71830221	353	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	354
1930616b	355	if (!pdo->mixing_engine \|\| pdo->fixed_settings) {
526fb058	356	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1930616b	357	if (!pdo->mixing_engine \|\| hw) {
1d14ffa9 FB	358	return hw;
	359	}
	360	}
	361
526fb058	362	hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
1d14ffa9 FB	363	if (hw) {
	364	return hw;
	365	}
	366
526fb058	367	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	368	if (hw) {
	369	return hw;
	370	}
	371
526fb058	372	return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
1d14ffa9 FB	373	}
1d14ffa9 FB	374
526fb058 KZ	375	static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
526fb058 KZ	376	AudioState *s,
c0fe3827	377	const char *sw_name,
1ea879e5	378	struct audsettings *as
1d14ffa9 FB	379	)
	380	{
	381	SW *sw;
	382	HW *hw;
1ea879e5	383	struct audsettings hw_as;
71830221	384	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	385
71830221 KZ	386	if (pdo->fixed_settings) {
71830221 KZ	387	hw_as = audiodev_to_audsettings(pdo);
c0fe3827 FB	388	}
	389	else {
	390	hw_as = *as;
1d14ffa9 FB	391	}
1d14ffa9 FB	392
470bcabd	393	sw = audio_calloc(__func__, 1, sizeof(*sw));
1d14ffa9	394	if (!sw) {
e7cad338	395	dolog ("Could not allocate soft voice `%s' (%zu bytes)\n",
c0fe3827	396	sw_name ? sw_name : "unknown", sizeof (*sw));
1d14ffa9 FB	397	goto err1;
1d14ffa9 FB	398	}
526fb058	399	sw->s = s;
1d14ffa9	400
526fb058	401	hw = glue(audio_pcm_hw_add_, TYPE)(s, &hw_as);
1d14ffa9 FB	402	if (!hw) {
	403	goto err2;
	404	}
	405
	406	glue (audio_pcm_hw_add_sw_, TYPE) (hw, sw);
	407
d929eba5	408	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, sw_name, as)) {
1d14ffa9 FB	409	goto err3;
	410	}
	411
	412	return sw;
	413
	414	err3:
	415	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	416	glue (audio_pcm_hw_gc_, TYPE) (&hw);
1d14ffa9	417	err2:
7267c094	418	g_free (sw);
1d14ffa9 FB	419	err1:
	420	return NULL;
	421	}
	422
1a7dafce	423	static void glue (audio_close_, TYPE) (SW *sw)
c0fe3827 FB	424	{
	425	glue (audio_pcm_sw_fini_, TYPE) (sw);
	426	glue (audio_pcm_hw_del_sw_, TYPE) (sw);
1a7dafce	427	glue (audio_pcm_hw_gc_, TYPE) (&sw->hw);
7267c094	428	g_free (sw);
c0fe3827	429	}
571ec3d6	430
c0fe3827	431	void glue (AUD_close_, TYPE) (QEMUSoundCard card, SW sw)
1d14ffa9 FB	432	{
1d14ffa9 FB	433	if (sw) {
470bcabd	434	if (audio_bug(__func__, !card)) {
1a7dafce	435	dolog ("card=%p\n", card);
c0fe3827 FB	436	return;
	437	}
	438
1a7dafce	439	glue (audio_close_, TYPE) (sw);
1d14ffa9 FB	440	}
	441	}
	442
	443	SW *glue (AUD_open_, TYPE) (
c0fe3827	444	QEMUSoundCard *card,
1d14ffa9 FB	445	SW *sw,
	446	const char *name,
	447	void *callback_opaque ,
cb4f03e8	448	audio_callback_fn callback_fn,
1ea879e5	449	struct audsettings *as
1d14ffa9 FB	450	)
1d14ffa9 FB	451	{
d1670b20 KZ	452	AudioState *s;
d1670b20 KZ	453	AudiodevPerDirectionOptions *pdo;
1d14ffa9	454
470bcabd	455	if (audio_bug(__func__, !card \|\| !name \|\| !callback_fn \|\| !as)) {
1a7dafce	456	dolog ("card=%p name=%p callback_fn=%p as=%p\n",
1a7dafce	457	card, name, callback_fn, as);
1d14ffa9 FB	458	goto fail;
	459	}
	460
d1670b20 KZ	461	s = card->state;
	462	pdo = glue(audio_get_pdo_, TYPE)(s->dev);
	463
93b65997 SW	464	ldebug ("open %s, freq %d, nchannels %d, fmt %d\n",
	465	name, as->freq, as->nchannels, as->fmt);
	466
470bcabd	467	if (audio_bug(__func__, audio_validate_settings(as))) {
c0fe3827	468	audio_print_settings (as);
1d14ffa9 FB	469	goto fail;
	470	}
	471
470bcabd	472	if (audio_bug(__func__, !s->drv)) {
c0fe3827	473	dolog ("Can not open `%s' (no host audio driver)\n", name);
1d14ffa9 FB	474	goto fail;
	475	}
	476
c0fe3827	477	if (sw && audio_pcm_info_eq (&sw->info, as)) {
1d14ffa9 FB	478	return sw;
	479	}
	480
71830221	481	if (!pdo->fixed_settings && sw) {
c0fe3827	482	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	483	sw = NULL;
	484	}
	485
	486	if (sw) {
	487	HW *hw = sw->hw;
	488
	489	if (!hw) {
c0fe3827 FB	490	dolog ("Internal logic error voice `%s' has no hardware store\n",
c0fe3827 FB	491	SW_NAME (sw));
1d14ffa9 FB	492	goto fail;
	493	}
	494
571ec3d6	495	glue (audio_pcm_sw_fini_, TYPE) (sw);
d929eba5	496	if (glue (audio_pcm_sw_init_, TYPE) (sw, hw, name, as)) {
1d14ffa9 FB	497	goto fail;
	498	}
	499	}
	500	else {
526fb058	501	sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
1d14ffa9	502	if (!sw) {
c0fe3827	503	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	504	return NULL;
1d14ffa9 FB	505	}
	506	}
	507
7cbb28ed	508	sw->card = card;
	509	sw->vol = nominal_volume;
	510	sw->callback.fn = callback_fn;
	511	sw->callback.opaque = callback_opaque;
1d14ffa9	512
1d14ffa9	513	#ifdef DEBUG_AUDIO
7cbb28ed	514	dolog ("%s\n", name);
	515	audio_pcm_print_info ("hw", &sw->hw->info);
	516	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	517	#endif
1d14ffa9 FB	518
	519	return sw;
	520
	521	fail:
c0fe3827	522	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	523	return NULL;
	524	}
	525
	526	int glue (AUD_is_active_, TYPE) (SW *sw)
	527	{
	528	return sw ? sw->active : 0;
	529	}
	530
	531	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	532	{
	533	if (!sw) {
	534	return;
	535	}
	536
	537	ts->old_ts = sw->hw->ts_helper;
	538	}
	539
c0fe3827	540	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	541	{
	542	uint64_t delta, cur_ts, old_ts;
	543
	544	if (!sw) {
	545	return 0;
	546	}
	547
	548	cur_ts = sw->hw->ts_helper;
	549	old_ts = ts->old_ts;
0bfcd599	550	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	551
	552	if (cur_ts >= old_ts) {
	553	delta = cur_ts - old_ts;
	554	}
	555	else {
	556	delta = UINT64_MAX - old_ts + cur_ts;
	557	}
	558
	559	if (!delta) {
	560	return 0;
	561	}
	562
4f4cc0ef	563	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	564	}
	565
	566	#undef TYPE
	567	#undef HW
	568	#undef SW
571ec3d6 FB	569	#undef HWBUF
571ec3d6 FB	570	#undef NAME