327 lines
9.7 KiB
C
327 lines
9.7 KiB
C
#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_FEATURES_H
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#include <features.h>
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#endif
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#include <ctype.h>
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#include <errno.h>
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#include "ecore_audio_private.h"
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EAPI Eo_Op ECORE_AUDIO_OBJ_IN_BASE_ID = EO_NOOP;
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EAPI const Eo_Event_Description _ECORE_AUDIO_EV_IN_LOOPED =
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EO_EVENT_DESCRIPTION("in,looped", "Called when an input has looped.");
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EAPI const Eo_Event_Description _ECORE_AUDIO_EV_IN_STOPPED =
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EO_EVENT_DESCRIPTION("in,stopped", "Called when an input has stopped playing.");
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EAPI const Eo_Event_Description _ECORE_AUDIO_EV_IN_SAMPLERATE_CHANGED =
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EO_EVENT_DESCRIPTION("in,samplerate,changed", "Called when the input samplerate has changed.");
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#define MY_CLASS ECORE_AUDIO_OBJ_IN_CLASS
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#define MY_CLASS_NAME "ecore_audio_obj_in"
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static void _speed_set(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Ecore_Audio_Input *obj = _pd;
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double speed = va_arg(*list, double);
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if (speed < 0.2)
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speed = 0.2;
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if (speed > 5.0)
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speed = 5.0;
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obj->speed = speed;
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eo_do(eo_obj, eo_event_callback_call(ECORE_AUDIO_EV_IN_SAMPLERATE_CHANGED, NULL, NULL));
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}
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static void _speed_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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double *speed = va_arg(*list, double *);
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if (speed)
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*speed = obj->speed;
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}
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static void _samplerate_set(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Ecore_Audio_Input *obj = _pd;
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int samplerate = va_arg(*list, int);
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obj->samplerate = samplerate;
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eo_do(eo_obj, eo_event_callback_call(ECORE_AUDIO_EV_IN_SAMPLERATE_CHANGED, NULL, NULL));
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}
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static void _samplerate_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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int *samplerate = va_arg(*list, int *);
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if (samplerate)
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*samplerate = obj->samplerate;
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}
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static void _channels_set(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Ecore_Audio_Input *obj = _pd;
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int channels = va_arg(*list, int);
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obj->channels = channels;
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/* TODO: Notify output */
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}
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static void _channels_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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int *channels = va_arg(*list, int *);
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if (channels)
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*channels = obj->channels;
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}
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static void _looped_set(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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Ecore_Audio_Input *obj = _pd;
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Eina_Bool looped = va_arg(*list, int);
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obj->looped = looped;
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}
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static void _looped_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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Eina_Bool *ret = va_arg(*list, Eina_Bool *);
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if (ret)
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*ret = obj->looped;
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}
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static void _length_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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double *ret = va_arg(*list, double *);
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if (ret) {
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*ret = obj->length;
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}
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}
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static void _remaining_get(Eo *eo_obj, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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double *ret = va_arg(*list, double *);
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if (!obj->seekable && ret) {
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*ret = -1;
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} else if (ret) {
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eo_do(eo_obj, ecore_audio_obj_in_seek(0, SEEK_CUR, ret));
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*ret = obj->length - *ret;
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}
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}
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static void _in_read(Eo *eo_obj, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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ssize_t len_read = 0;
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const Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
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void *buf = va_arg(*list, void *);
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size_t len = va_arg(*list, size_t);
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ssize_t *ret = va_arg(*list, ssize_t *);
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if (ea_obj->paused) {
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memset(buf, 0, len);
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len_read = len;
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} else {
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eo_do(eo_obj, ecore_audio_obj_in_read_internal(buf, len, &len_read));
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if (len_read == 0) {
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if (!obj->looped || !obj->seekable) {
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eo_do(eo_obj, eo_event_callback_call(ECORE_AUDIO_EV_IN_STOPPED, NULL, NULL));
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} else {
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eo_do(eo_obj, ecore_audio_obj_in_seek(0, SEEK_SET, NULL));
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eo_do(eo_obj, ecore_audio_obj_in_read_internal(buf, len, &len_read));
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eo_do(eo_obj, eo_event_callback_call(ECORE_AUDIO_EV_IN_LOOPED, NULL, NULL));
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}
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}
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}
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if (ret)
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*ret = len_read;
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}
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static void _read_internal(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
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{
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ssize_t len_read = 0;
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const Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
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void *buf = va_arg(*list, void *);
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size_t len = va_arg(*list, size_t);
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ssize_t *ret = va_arg(*list, ssize_t *);
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if (ea_obj->vio && ea_obj->vio->vio->read) {
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len_read = ea_obj->vio->vio->read(ea_obj->vio->data, eo_obj, buf, len);
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}
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if (ret)
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*ret = len_read;
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}
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static void _output_get(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
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{
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const Ecore_Audio_Input *obj = _pd;
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Eo **ret = va_arg(*list, Eo **);
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if (ret)
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*ret = obj->output;
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}
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static void _free_vio(Ecore_Audio_Object *ea_obj)
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{
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if (ea_obj->vio->free_func)
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ea_obj->vio->free_func(ea_obj->vio->data);
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free(ea_obj->vio);
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ea_obj->vio = NULL;
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}
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static void _vio_set(Eo *eo_obj, void *_pd, va_list *list)
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{
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Ecore_Audio_Input *obj = _pd;
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Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
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Ecore_Audio_Vio *vio = va_arg(*list, Ecore_Audio_Vio *);
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void *data = va_arg(*list, Ecore_Audio_Vio *);
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eo_base_data_free_func free_func = va_arg(*list, eo_base_data_free_func);
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if (ea_obj->vio)
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_free_vio(ea_obj);
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obj->seekable = obj->seekable_prev;
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if (!vio)
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return;
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ea_obj->vio = calloc(1, sizeof(Ecore_Audio_Vio_Internal));
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ea_obj->vio->vio = vio;
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ea_obj->vio->data = data;
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ea_obj->vio->free_func = free_func;
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obj->seekable_prev = obj->seekable;
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obj->seekable = (vio->seek != NULL);
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}
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static void _constructor(Eo *eo_obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Ecore_Audio_Input *obj = _pd;
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eo_do_super(eo_obj, MY_CLASS, eo_constructor());
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obj->speed = 1.0;
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}
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static void _destructor(Eo *eo_obj, void *_pd, va_list *list EINA_UNUSED)
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{
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Ecore_Audio_Input *obj = _pd;
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if(obj->output)
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eo_do(obj->output, ecore_audio_obj_out_input_detach(eo_obj, NULL));
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eo_do_super(eo_obj, MY_CLASS, eo_destructor());
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}
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static void _class_constructor(Eo_Class *klass)
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{
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const Eo_Op_Func_Description func_desc[] = {
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/* Virtual functions of parent class implemented in this class */
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EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
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EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_DESTRUCTOR), _destructor),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_VIO_SET), _vio_set),
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/* Specific functions to this class */
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SPEED_SET), _speed_set),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SPEED_GET), _speed_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SAMPLERATE_SET), _samplerate_set),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SAMPLERATE_GET), _samplerate_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_CHANNELS_SET), _channels_set),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_CHANNELS_GET), _channels_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_LOOPED_SET), _looped_set),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_LOOPED_GET), _looped_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_LENGTH_GET), _length_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_REMAINING_GET), _remaining_get),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_READ), _in_read),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_READ_INTERNAL), _read_internal),
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EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_OUTPUT_GET), _output_get),
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EO_OP_FUNC_SENTINEL
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};
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eo_class_funcs_set(klass, func_desc);
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}
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#define S(val) "Sets the " #val " of the input."
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#define G(val) "Gets the " #val " of the input."
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static const Eo_Op_Description op_desc[] = {
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_SPEED_SET, S(speed)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_SPEED_GET, G(speed)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_SAMPLERATE_SET, S(samplerate)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_SAMPLERATE_GET, G(samplerate)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_CHANNELS_SET, S(channels)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_CHANNELS_GET, G(channels)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_PRELOADED_SET, S(preloaded)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_PRELOADED_GET, G(preloaded)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_LOOPED_SET, S(looped)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_LOOPED_GET, G(looped)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_LENGTH_SET, S(length)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_LENGTH_GET, G(length)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_READ, "Read from the input"),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_READ_INTERNAL, "Internal implementation for the read"),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_SEEK, "Seek within the input"),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_OUTPUT_GET, G(output)),
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EO_OP_DESCRIPTION(ECORE_AUDIO_OBJ_IN_SUB_ID_REMAINING_GET, G(remaining)),
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EO_OP_DESCRIPTION_SENTINEL
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};
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static const Eo_Event_Description *event_desc[] = {
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ECORE_AUDIO_EV_IN_LOOPED,
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ECORE_AUDIO_EV_IN_STOPPED,
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ECORE_AUDIO_EV_IN_SAMPLERATE_CHANGED,
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NULL
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};
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static const Eo_Class_Description class_desc = {
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EO_VERSION,
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MY_CLASS_NAME,
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EO_CLASS_TYPE_REGULAR,
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EO_CLASS_DESCRIPTION_OPS(&ECORE_AUDIO_OBJ_IN_BASE_ID, op_desc, ECORE_AUDIO_OBJ_IN_SUB_ID_LAST),
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event_desc,
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sizeof(Ecore_Audio_Input),
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_class_constructor,
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NULL
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};
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EO_DEFINE_CLASS(ecore_audio_obj_in_class_get, &class_desc, ECORE_AUDIO_OBJ_CLASS, NULL);
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