283 lines
6.9 KiB
C
283 lines
6.9 KiB
C
#ifdef HAVE_CONFIG_H
|
|
#include <config.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#ifdef HAVE_FEATURES_H
|
|
#include <features.h>
|
|
#endif
|
|
|
|
#include <Eo.h>
|
|
#include "ecore_audio_private.h"
|
|
#include "ecore_audio_obj_out_alsa.h"
|
|
#include <alsa/asoundlib.h>
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
|
|
EAPI Eo_Op ECORE_AUDIO_OBJ_OUT_ALSA_BASE_ID = EO_NOOP;
|
|
|
|
#define MY_CLASS ECORE_AUDIO_OBJ_OUT_ALSA_CLASS
|
|
#define MY_CLASS_NAME "ecore_audio_obj_out_alsa"
|
|
|
|
|
|
struct _Ecore_Audio_Alsa
|
|
{
|
|
char *foo;
|
|
};
|
|
|
|
typedef struct _Ecore_Audio_Alsa Ecore_Audio_Alsa;
|
|
|
|
struct _Ecore_Audio_Alsa_Data
|
|
{
|
|
snd_pcm_t *handle;
|
|
Ecore_Idler *idler;
|
|
};
|
|
|
|
typedef struct _Ecore_Audio_Alsa_Data Ecore_Audio_Alsa_Data;
|
|
|
|
|
|
static Eina_Bool _close_cb(void *data)
|
|
{
|
|
snd_pcm_t *handle = data;
|
|
snd_pcm_close(handle);
|
|
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
static void _delayed_close(snd_pcm_t *handle)
|
|
{
|
|
ecore_timer_add(2, _close_cb, handle);
|
|
}
|
|
|
|
static void _volume_set(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
|
|
{
|
|
Eo *in;
|
|
Ecore_Audio_Alsa_Data *alsa;
|
|
Eina_List *input;
|
|
Ecore_Audio_Output *out_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_OUT_CLASS);
|
|
|
|
double volume = va_arg(*list, double);
|
|
|
|
if (volume < 0)
|
|
volume = 0;
|
|
|
|
eo_do_super(eo_obj, MY_CLASS, ecore_audio_obj_volume_set(volume));
|
|
|
|
EINA_LIST_FOREACH(out_obj->inputs, input, in) {
|
|
eo_do(in, eo_base_data_get("alsa_data", (void **)&alsa));
|
|
/* FIXME: Volume control */
|
|
}
|
|
|
|
}
|
|
|
|
static Eina_Bool _write_cb(void *data)
|
|
{
|
|
Eo *in = data;
|
|
|
|
Ecore_Audio_Alsa_Data *alsa;
|
|
void *buf;
|
|
|
|
size_t avail;
|
|
ssize_t bread;
|
|
int ret, channels;
|
|
|
|
eo_do(in, eo_base_data_get("alsa_data", (void **)&alsa));
|
|
|
|
eo_do(in, ecore_audio_obj_in_channels_get(&channels));
|
|
|
|
avail = snd_pcm_avail(alsa->handle);
|
|
|
|
if (avail < 1000)
|
|
return EINA_TRUE;
|
|
|
|
buf = calloc(1, sizeof(float) * avail * channels);
|
|
|
|
eo_do(in, ecore_audio_obj_in_read(buf, avail*channels, &bread));
|
|
|
|
ERR("ALSA: avail %i, read %i", avail, bread/channels);
|
|
|
|
if (bread == 0)
|
|
goto end;
|
|
|
|
ret = snd_pcm_writei(alsa->handle, buf, bread/channels);
|
|
if (ret < 0)
|
|
{
|
|
ERR("Error when writing: %s (avail %i, read %i)", snd_strerror(ret), avail, bread);
|
|
snd_pcm_recover(alsa->handle, ret, 0);
|
|
}
|
|
|
|
if (bread<avail*channels)
|
|
snd_pcm_start(alsa->handle);
|
|
|
|
ERR("Success: written %i", ret);
|
|
end:
|
|
free(buf);
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static Eina_Bool _update_samplerate_cb(void *data EINA_UNUSED, Eo *eo_obj, const Eo_Event_Description *desc EINA_UNUSED, void *event_info EINA_UNUSED)
|
|
{
|
|
Ecore_Audio_Alsa_Data *alsa;
|
|
int samplerate, channels;
|
|
int ret;
|
|
double speed;
|
|
|
|
eo_do(eo_obj, ecore_audio_obj_in_samplerate_get(&samplerate));
|
|
eo_do(eo_obj, ecore_audio_obj_in_channels_get(&channels));
|
|
eo_do(eo_obj, ecore_audio_obj_in_speed_get(&speed));
|
|
|
|
samplerate *= speed;
|
|
|
|
eo_do(eo_obj, eo_base_data_get("alsa_data", (void **)&alsa));
|
|
|
|
ret = snd_pcm_set_params(alsa->handle, SND_PCM_FORMAT_FLOAT, SND_PCM_ACCESS_RW_INTERLEAVED, channels, samplerate, 1, 500000);
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static Eina_Bool _input_attach_internal(Eo *eo_obj, Eo *in)
|
|
{
|
|
Ecore_Audio_Alsa_Data *alsa;
|
|
const char *name;
|
|
double speed;
|
|
unsigned int samplerate, channels;
|
|
int ret;
|
|
Eina_Bool success;
|
|
|
|
Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
|
|
|
|
eo_do_super(eo_obj, MY_CLASS, ecore_audio_obj_out_input_attach(in, &success));
|
|
if (!success)
|
|
return EINA_FALSE;
|
|
|
|
eo_do(in, ecore_audio_obj_in_samplerate_get((int *)&samplerate));
|
|
eo_do(in, ecore_audio_obj_in_speed_get(&speed));
|
|
eo_do(in, ecore_audio_obj_in_channels_get((int *)&channels));
|
|
eo_do(in, ecore_audio_obj_name_get(&name));
|
|
|
|
samplerate *= speed;
|
|
|
|
alsa = calloc(1, sizeof(Ecore_Audio_Alsa_Data));
|
|
|
|
ret = snd_pcm_open(&alsa->handle, "default", SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
|
|
if (ret < 0)
|
|
{
|
|
ERR("Could not open for playback: %s", snd_strerror(ret));
|
|
ERR("Could not create stream");
|
|
free(alsa);
|
|
eo_do_super(eo_obj, MY_CLASS, ecore_audio_obj_out_input_detach(in, NULL));
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
ret = snd_pcm_set_params(alsa->handle, SND_PCM_FORMAT_FLOAT, SND_PCM_ACCESS_RW_INTERLEAVED, channels, samplerate, 1, 500000);
|
|
if (ret < 0)
|
|
{
|
|
free(alsa);
|
|
ERR("Could not set parameters: %s", snd_strerror(ret));
|
|
snd_pcm_close(alsa->handle);
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
eo_do(in, eo_event_callback_add(ECORE_AUDIO_EV_IN_SAMPLERATE_CHANGED, _update_samplerate_cb, eo_obj));
|
|
|
|
eo_do(in, eo_base_data_set("alsa_data", alsa, free));
|
|
|
|
if (ea_obj->paused)
|
|
return EINA_TRUE;
|
|
|
|
alsa->idler = ecore_idler_add(_write_cb, in);
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static void _input_attach(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
|
|
{
|
|
Eina_Bool retval = EINA_TRUE;
|
|
|
|
Eo *in = va_arg(*list, Eo *);
|
|
Eina_Bool *ret = va_arg(*list, Eina_Bool *);
|
|
|
|
retval = _input_attach_internal(eo_obj, in);
|
|
if (ret)
|
|
*ret = retval;
|
|
}
|
|
|
|
static void _input_detach(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
|
|
{
|
|
Ecore_Audio_Alsa_Data *alsa;
|
|
Eina_Bool ret2;
|
|
|
|
Eo *in = va_arg(*list, Eo *);
|
|
Eina_Bool *ret = va_arg(*list, Eina_Bool *);
|
|
|
|
if (ret)
|
|
*ret = EINA_FALSE;
|
|
|
|
eo_do_super(eo_obj, MY_CLASS, ecore_audio_obj_out_input_detach(in, &ret2));
|
|
if (!ret2)
|
|
return;
|
|
|
|
eo_do(in, eo_base_data_get("alsa_data", (void **)&alsa));
|
|
|
|
ecore_idler_del(alsa->idler);
|
|
|
|
_delayed_close(alsa->handle);
|
|
|
|
eo_do(in, eo_base_data_del("alsa_data"));
|
|
|
|
if (ret)
|
|
*ret = EINA_TRUE;
|
|
}
|
|
|
|
static void _constructor(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
|
|
{
|
|
Ecore_Audio_Output *out_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_OUT_CLASS);
|
|
|
|
eo_do_super(eo_obj, MY_CLASS, eo_constructor());
|
|
|
|
out_obj->need_writer = EINA_FALSE;
|
|
}
|
|
|
|
static void _destructor(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
|
|
{
|
|
eo_do_super(eo_obj, MY_CLASS, eo_destructor());
|
|
}
|
|
|
|
static void _class_constructor(Eo_Class *klass)
|
|
{
|
|
const Eo_Op_Func_Description func_desc[] = {
|
|
/* Virtual functions of parent class implemented in this class */
|
|
EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
|
|
EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_DESTRUCTOR), _destructor),
|
|
|
|
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_VOLUME_SET), _volume_set),
|
|
|
|
EO_OP_FUNC(ECORE_AUDIO_OBJ_OUT_ID(ECORE_AUDIO_OBJ_OUT_SUB_ID_INPUT_ATTACH), _input_attach),
|
|
EO_OP_FUNC(ECORE_AUDIO_OBJ_OUT_ID(ECORE_AUDIO_OBJ_OUT_SUB_ID_INPUT_DETACH), _input_detach),
|
|
EO_OP_FUNC_SENTINEL
|
|
};
|
|
|
|
eo_class_funcs_set(klass, func_desc);
|
|
}
|
|
|
|
static const Eo_Op_Description op_desc[] = {
|
|
EO_OP_DESCRIPTION_SENTINEL
|
|
};
|
|
|
|
static const Eo_Class_Description class_desc = {
|
|
EO_VERSION,
|
|
MY_CLASS_NAME,
|
|
EO_CLASS_TYPE_REGULAR,
|
|
EO_CLASS_DESCRIPTION_OPS(&ECORE_AUDIO_OBJ_OUT_ALSA_BASE_ID, op_desc, ECORE_AUDIO_OBJ_OUT_ALSA_SUB_ID_LAST),
|
|
NULL,
|
|
sizeof(Ecore_Audio_Alsa),
|
|
_class_constructor,
|
|
NULL
|
|
};
|
|
|
|
EO_DEFINE_CLASS(ecore_audio_obj_out_alsa_class_get, &class_desc, ECORE_AUDIO_OBJ_OUT_CLASS, NULL);
|