[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

    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_JACK:
        return qapi_AudiodevJackPerDirectionOptions_base(dev->u.jack.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 qapi_AudiodevSdlPerDirectionOptions_base(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
6c6886bd	50	} else {
571ec3d6 FB	51	dolog ("Driver `%s' does not support %d " NAME " voices, max %d\n",
	52	drv->name,
	53	glue (s->nb_hw_voices_, TYPE),
	54	max_voices);
	55	}
	56	glue (s->nb_hw_voices_, TYPE) = max_voices;
c0fe3827 FB	57	}
c0fe3827 FB	58
470bcabd	59	if (audio_bug(__func__, !voice_size && max_voices)) {
571ec3d6 FB	60	dolog ("drv=`%s' voice_size=0 max_voices=%d\n",
	61	drv->name, max_voices);
	62	glue (s->nb_hw_voices_, TYPE) = 0;
	63	}
	64
470bcabd	65	if (audio_bug(__func__, voice_size && !max_voices)) {
571ec3d6 FB	66	dolog ("drv=`%s' voice_size=%d max_voices=0\n",
	67	drv->name, voice_size);
	68	}
	69	}
	70
	71	static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
	72	{
ff095e52	73	g_free(hw->buf_emul);
fb7da626	74	g_free (HWBUF);
571ec3d6 FB	75	HWBUF = NULL;
	76	}
	77
dc88e38f	78	static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
571ec3d6	79	{
1930616b KZ	80	if (glue(audio_get_pdo_, TYPE)(hw->s->dev)->mixing_engine) {
	81	size_t samples = hw->samples;
	82	if (audio_bug(__func__, samples == 0)) {
	83	dolog("Attempted to allocate empty buffer\n");
	84	}
c0fe3827	85
1930616b KZ	86	HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
	87	HWBUF->size = samples;
	88	} else {
	89	HWBUF = NULL;
	90	}
571ec3d6 FB	91	}
	92
	93	static void glue (audio_pcm_sw_free_resources_, TYPE) (SW *sw)
	94	{
fb7da626	95	g_free (sw->buf);
571ec3d6 FB	96
	97	if (sw->rate) {
	98	st_rate_stop (sw->rate);
	99	}
	100
	101	sw->buf = NULL;
	102	sw->rate = NULL;
	103	}
	104
	105	static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
	106	{
	107	int samples;
	108
1930616b KZ	109	if (!glue(audio_get_pdo_, TYPE)(sw->s->dev)->mixing_engine) {
	110	return 0;
	111	}
	112
dc88e38f	113	samples = ((int64_t) sw->HWBUF->size << 32) / sw->ratio;
c0fe3827	114
470bcabd	115	sw->buf = audio_calloc(__func__, samples, sizeof(struct st_sample));
571ec3d6 FB	116	if (!sw->buf) {
	117	dolog ("Could not allocate buffer for `%s' (%d samples)\n",
	118	SW_NAME (sw), samples);
c0fe3827 FB	119	return -1;
	120	}
	121
571ec3d6 FB	122	#ifdef DAC
	123	sw->rate = st_rate_start (sw->info.freq, sw->hw->info.freq);
	124	#else
	125	sw->rate = st_rate_start (sw->hw->info.freq, sw->info.freq);
	126	#endif
	127	if (!sw->rate) {
7267c094	128	g_free (sw->buf);
571ec3d6 FB	129	sw->buf = NULL;
	130	return -1;
	131	}
c0fe3827 FB	132	return 0;
	133	}
	134
571ec3d6 FB	135	static int glue (audio_pcm_sw_init_, TYPE) (
	136	SW *sw,
	137	HW *hw,
	138	const char *name,
1ea879e5	139	struct audsettings *as
571ec3d6 FB	140	)
	141	{
	142	int err;
	143
d929eba5	144	audio_pcm_init_info (&sw->info, as);
571ec3d6 FB	145	sw->hw = hw;
	146	sw->active = 0;
	147	#ifdef DAC
	148	sw->ratio = ((int64_t) sw->hw->info.freq << 32) / sw->info.freq;
	149	sw->total_hw_samples_mixed = 0;
	150	sw->empty = 1;
	151	#else
	152	sw->ratio = ((int64_t) sw->info.freq << 32) / sw->hw->info.freq;
	153	#endif
	154
ed2a4a79	155	if (sw->info.is_float) {
571ec3d6	156	#ifdef DAC
ed2a4a79	157	sw->conv = mixeng_conv_float[sw->info.nchannels == 2];
571ec3d6	158	#else
ed2a4a79	159	sw->clip = mixeng_clip_float[sw->info.nchannels == 2];
571ec3d6	160	#endif
ed2a4a79 KZ	161	} else {
	162	#ifdef DAC
	163	sw->conv = mixeng_conv
	164	#else
	165	sw->clip = mixeng_clip
	166	#endif
	167	[sw->info.nchannels == 2]
	168	[sw->info.is_signed]
	169	[sw->info.swap_endianness]
	170	[audio_bits_to_index(sw->info.bits)];
	171	}
571ec3d6	172
7267c094	173	sw->name = g_strdup (name);
571ec3d6 FB	174	err = glue (audio_pcm_sw_alloc_resources_, TYPE) (sw);
571ec3d6 FB	175	if (err) {
7267c094	176	g_free (sw->name);
571ec3d6 FB	177	sw->name = NULL;
	178	}
	179	return err;
	180	}
	181
1d14ffa9 FB	182	static void glue (audio_pcm_sw_fini_, TYPE) (SW *sw)
	183	{
	184	glue (audio_pcm_sw_free_resources_, TYPE) (sw);
fb7da626 MA	185	g_free (sw->name);
fb7da626 MA	186	sw->name = NULL;
1d14ffa9 FB	187	}
	188
	189	static void glue (audio_pcm_hw_add_sw_, TYPE) (HW hw, SW sw)
	190	{
72cf2d4f	191	QLIST_INSERT_HEAD (&hw->sw_head, sw, entries);
1d14ffa9 FB	192	}
	193
	194	static void glue (audio_pcm_hw_del_sw_, TYPE) (SW *sw)
	195	{
72cf2d4f	196	QLIST_REMOVE (sw, entries);
1d14ffa9 FB	197	}
1d14ffa9 FB	198
1a7dafce	199	static void glue (audio_pcm_hw_gc_, TYPE) (HW **hwp)
1d14ffa9	200	{
c0fe3827	201	HW hw = hwp;
526fb058	202	AudioState *s = hw->s;
1d14ffa9	203
1d14ffa9	204	if (!hw->sw_head.lh_first) {
8ead62cf	205	#ifdef DAC
8abf3feb	206	audio_detach_capture(hw);
8ead62cf	207	#endif
8abf3feb ZH	208	QLIST_REMOVE(hw, entries);
	209	glue(hw->pcm_ops->fini_, TYPE) (hw);
	210	glue(s->nb_hw_voices_, TYPE) += 1;
	211	glue(audio_pcm_hw_free_resources_ , TYPE) (hw);
	212	g_free(hw);
c0fe3827	213	*hwp = NULL;
1d14ffa9 FB	214	}
	215	}
	216
526fb058	217	static HW glue(audio_pcm_hw_find_any_, TYPE)(AudioState s, HW *hw)
1d14ffa9	218	{
1a7dafce	219	return hw ? hw->entries.le_next : glue (s->hw_head_, TYPE).lh_first;
1d14ffa9 FB	220	}
1d14ffa9 FB	221
526fb058	222	static HW glue(audio_pcm_hw_find_any_enabled_, TYPE)(AudioState s, HW *hw)
1d14ffa9	223	{
526fb058	224	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	225	if (hw->enabled) {
1d14ffa9 FB	226	return hw;
	227	}
	228	}
	229	return NULL;
	230	}
	231
526fb058 KZ	232	static HW glue(audio_pcm_hw_find_specific_, TYPE)(AudioState s, HW *hw,
526fb058 KZ	233	struct audsettings *as)
1d14ffa9	234	{
526fb058	235	while ((hw = glue(audio_pcm_hw_find_any_, TYPE)(s, hw))) {
c0fe3827	236	if (audio_pcm_info_eq (&hw->info, as)) {
1d14ffa9 FB	237	return hw;
	238	}
	239	}
	240	return NULL;
	241	}
	242
526fb058 KZ	243	static HW glue(audio_pcm_hw_add_new_, TYPE)(AudioState s,
526fb058 KZ	244	struct audsettings *as)
1d14ffa9 FB	245	{
1d14ffa9 FB	246	HW *hw;
571ec3d6	247	struct audio_driver *drv = s->drv;
1d14ffa9	248
571ec3d6 FB	249	if (!glue (s->nb_hw_voices_, TYPE)) {
	250	return NULL;
	251	}
1d14ffa9	252
470bcabd	253	if (audio_bug(__func__, !drv)) {
571ec3d6 FB	254	dolog ("No host audio driver\n");
571ec3d6 FB	255	return NULL;
1d14ffa9 FB	256	}
1d14ffa9 FB	257
470bcabd	258	if (audio_bug(__func__, !drv->pcm_ops)) {
571ec3d6 FB	259	dolog ("Host audio driver without pcm_ops\n");
	260	return NULL;
	261	}
	262
470bcabd	263	hw = audio_calloc(__func__, 1, glue(drv->voice_size_, TYPE));
571ec3d6 FB	264	if (!hw) {
	265	dolog ("Can not allocate voice `%s' size %d\n",
	266	drv->name, glue (drv->voice_size_, TYPE));
	267	return NULL;
	268	}
	269
526fb058	270	hw->s = s;
571ec3d6	271	hw->pcm_ops = drv->pcm_ops;
c01b2456	272
72cf2d4f	273	QLIST_INIT (&hw->sw_head);
8ead62cf	274	#ifdef DAC
72cf2d4f	275	QLIST_INIT (&hw->cap_head);
8ead62cf	276	#endif
5706db1d	277	if (glue (hw->pcm_ops->init_, TYPE) (hw, as, s->drv_opaque)) {
571ec3d6 FB	278	goto err0;
	279	}
	280
470bcabd	281	if (audio_bug(__func__, hw->samples <= 0)) {
7520462b	282	dolog("hw->samples=%zd\n", hw->samples);
571ec3d6 FB	283	goto err1;
	284	}
	285
ed2a4a79	286	if (hw->info.is_float) {
180b044f	287	#ifdef DAC
ed2a4a79	288	hw->clip = mixeng_clip_float[hw->info.nchannels == 2];
180b044f	289	#else
ed2a4a79	290	hw->conv = mixeng_conv_float[hw->info.nchannels == 2];
180b044f	291	#endif
ed2a4a79	292	} else {
571ec3d6	293	#ifdef DAC
ed2a4a79	294	hw->clip = mixeng_clip
571ec3d6	295	#else
ed2a4a79	296	hw->conv = mixeng_conv
571ec3d6	297	#endif
ed2a4a79 KZ	298	[hw->info.nchannels == 2]
	299	[hw->info.is_signed]
	300	[hw->info.swap_endianness]
	301	[audio_bits_to_index(hw->info.bits)];
	302	}
571ec3d6	303
dc88e38f	304	glue(audio_pcm_hw_alloc_resources_, TYPE)(hw);
571ec3d6	305
72cf2d4f	306	QLIST_INSERT_HEAD (&s->glue (hw_head_, TYPE), hw, entries);
571ec3d6	307	glue (s->nb_hw_voices_, TYPE) -= 1;
8ead62cf	308	#ifdef DAC
1a7dafce	309	audio_attach_capture (hw);
8ead62cf	310	#endif
571ec3d6 FB	311	return hw;
	312
	313	err1:
	314	glue (hw->pcm_ops->fini_, TYPE) (hw);
	315	err0:
7267c094	316	g_free (hw);
1d14ffa9 FB	317	return NULL;
	318	}
	319
71830221 KZ	320	AudiodevPerDirectionOptions glue(audio_get_pdo_, TYPE)(Audiodev dev)
	321	{
	322	switch (dev->driver) {
	323	case AUDIODEV_DRIVER_NONE:
	324	return dev->u.none.TYPE;
	325	case AUDIODEV_DRIVER_ALSA:
	326	return qapi_AudiodevAlsaPerDirectionOptions_base(dev->u.alsa.TYPE);
	327	case AUDIODEV_DRIVER_COREAUDIO:
	328	return qapi_AudiodevCoreaudioPerDirectionOptions_base(
	329	dev->u.coreaudio.TYPE);
	330	case AUDIODEV_DRIVER_DSOUND:
	331	return dev->u.dsound.TYPE;
2e445703 GM	332	case AUDIODEV_DRIVER_JACK:
2e445703 GM	333	return qapi_AudiodevJackPerDirectionOptions_base(dev->u.jack.TYPE);
71830221 KZ	334	case AUDIODEV_DRIVER_OSS:
	335	return qapi_AudiodevOssPerDirectionOptions_base(dev->u.oss.TYPE);
	336	case AUDIODEV_DRIVER_PA:
	337	return qapi_AudiodevPaPerDirectionOptions_base(dev->u.pa.TYPE);
	338	case AUDIODEV_DRIVER_SDL:
5a0926c2	339	return qapi_AudiodevSdlPerDirectionOptions_base(dev->u.sdl.TYPE);
71830221 KZ	340	case AUDIODEV_DRIVER_SPICE:
	341	return dev->u.spice.TYPE;
	342	case AUDIODEV_DRIVER_WAV:
	343	return dev->u.wav.TYPE;
	344
	345	case AUDIODEV_DRIVER__MAX:
	346	break;
	347	}
	348	abort();
	349	}
	350
526fb058	351	static HW glue(audio_pcm_hw_add_, TYPE)(AudioState s, struct audsettings *as)
1d14ffa9 FB	352	{
1d14ffa9 FB	353	HW *hw;
71830221	354	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	355
1930616b	356	if (!pdo->mixing_engine \|\| pdo->fixed_settings) {
526fb058	357	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1930616b	358	if (!pdo->mixing_engine \|\| hw) {
1d14ffa9 FB	359	return hw;
	360	}
	361	}
	362
526fb058	363	hw = glue(audio_pcm_hw_find_specific_, TYPE)(s, NULL, as);
1d14ffa9 FB	364	if (hw) {
	365	return hw;
	366	}
	367
526fb058	368	hw = glue(audio_pcm_hw_add_new_, TYPE)(s, as);
1d14ffa9 FB	369	if (hw) {
	370	return hw;
	371	}
	372
526fb058	373	return glue(audio_pcm_hw_find_any_, TYPE)(s, NULL);
1d14ffa9 FB	374	}
1d14ffa9 FB	375
526fb058 KZ	376	static SW *glue(audio_pcm_create_voice_pair_, TYPE)(
526fb058 KZ	377	AudioState *s,
c0fe3827	378	const char *sw_name,
1ea879e5	379	struct audsettings *as
1d14ffa9 FB	380	)
	381	{
	382	SW *sw;
	383	HW *hw;
1ea879e5	384	struct audsettings hw_as;
71830221	385	AudiodevPerDirectionOptions *pdo = glue(audio_get_pdo_, TYPE)(s->dev);
1d14ffa9	386
71830221 KZ	387	if (pdo->fixed_settings) {
71830221 KZ	388	hw_as = audiodev_to_audsettings(pdo);
6c6886bd	389	} else {
c0fe3827	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;
1d14ffa9 FB	498	}
6c6886bd	499	} else {
526fb058	500	sw = glue(audio_pcm_create_voice_pair_, TYPE)(s, name, as);
1d14ffa9	501	if (!sw) {
c0fe3827	502	dolog ("Failed to create voice `%s'\n", name);
571ec3d6	503	return NULL;
1d14ffa9 FB	504	}
	505	}
	506
7cbb28ed	507	sw->card = card;
	508	sw->vol = nominal_volume;
	509	sw->callback.fn = callback_fn;
	510	sw->callback.opaque = callback_opaque;
1d14ffa9	511
1d14ffa9	512	#ifdef DEBUG_AUDIO
7cbb28ed	513	dolog ("%s\n", name);
	514	audio_pcm_print_info ("hw", &sw->hw->info);
	515	audio_pcm_print_info ("sw", &sw->info);
1d14ffa9	516	#endif
1d14ffa9 FB	517
	518	return sw;
	519
	520	fail:
c0fe3827	521	glue (AUD_close_, TYPE) (card, sw);
1d14ffa9 FB	522	return NULL;
	523	}
	524
	525	int glue (AUD_is_active_, TYPE) (SW *sw)
	526	{
	527	return sw ? sw->active : 0;
	528	}
	529
	530	void glue (AUD_init_time_stamp_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
	531	{
	532	if (!sw) {
	533	return;
	534	}
	535
	536	ts->old_ts = sw->hw->ts_helper;
	537	}
	538
c0fe3827	539	uint64_t glue (AUD_get_elapsed_usec_, TYPE) (SW sw, QEMUAudioTimeStamp ts)
1d14ffa9 FB	540	{
	541	uint64_t delta, cur_ts, old_ts;
	542
	543	if (!sw) {
	544	return 0;
	545	}
	546
	547	cur_ts = sw->hw->ts_helper;
	548	old_ts = ts->old_ts;
0bfcd599	549	/* dolog ("cur %" PRId64 " old %" PRId64 "\n", cur_ts, old_ts); */
1d14ffa9 FB	550
	551	if (cur_ts >= old_ts) {
	552	delta = cur_ts - old_ts;
6c6886bd	553	} else {
1d14ffa9 FB	554	delta = UINT64_MAX - old_ts + cur_ts;
	555	}
	556
	557	if (!delta) {
	558	return 0;
	559	}
	560
4f4cc0ef	561	return muldiv64 (delta, sw->hw->info.freq, 1000000);
1d14ffa9 FB	562	}
	563
	564	#undef TYPE
	565	#undef HW
	566	#undef SW
571ec3d6 FB	567	#undef HWBUF
571ec3d6 FB	568	#undef NAME