efl/src/lib/ecore_audio/ecore_audio_obj_in_sndfile.c

294 lines
7.6 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 <sndfile.h>
EAPI Eo_Op ECORE_AUDIO_OBJ_IN_SNDFILE_BASE_ID = EO_NOOP;
#define MY_CLASS ECORE_AUDIO_OBJ_IN_SNDFILE_CLASS
#define MY_CLASS_NAME "ecore_audio_obj_in_sndfile"
extern SF_VIRTUAL_IO vio_wrapper;
struct _Ecore_Audio_Sndfile
{
SNDFILE *handle;
SF_INFO sfinfo;
};
typedef struct _Ecore_Audio_Sndfile Ecore_Audio_Sndfile;
static void _sndfile_read(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
int read;
void *data = va_arg(*list, void *);
size_t len = va_arg(*list, size_t);
ssize_t *ret = va_arg(*list, ssize_t *);
read = sf_read_float(obj->handle, data, len/4)*4;
if (ret)
*ret = read;
}
static void _seek(Eo *eo_obj EINA_UNUSED, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
sf_count_t count, pos;
double offs = va_arg(*list, double);
int mode = va_arg(*list, int);
double *ret = va_arg(*list, double *);
count = offs * obj->sfinfo.samplerate;
pos = sf_seek(obj->handle, count, mode);
if (ret)
*ret = (double)pos / obj->sfinfo.samplerate;
}
static void _source_set(Eo *eo_obj, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
Ecore_Audio_Input *in_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
const char *source = va_arg(*list, const char *);
Eina_Bool *ret = va_arg(*list, Eina_Bool *);
if (ret)
*ret = EINA_FALSE;
if (obj->handle) {
sf_close(obj->handle);
obj->handle = NULL;
}
eina_stringshare_replace(&ea_obj->source, source);
if (!ea_obj->source)
return;
obj->handle = sf_open(ea_obj->source, SFM_READ, &obj->sfinfo);
if (!obj->handle) {
eina_stringshare_del(ea_obj->source);
ea_obj->source = NULL;
return;
}
if (ret)
*ret = EINA_TRUE;
in_obj->seekable = EINA_TRUE;
in_obj->length = (double)obj->sfinfo.frames / obj->sfinfo.samplerate;
in_obj->samplerate = obj->sfinfo.samplerate;
in_obj->channels = obj->sfinfo.channels;
if (obj->sfinfo.format& SF_FORMAT_WAV)
ea_obj->format = ECORE_AUDIO_FORMAT_WAV;
else if (obj->sfinfo.format& SF_FORMAT_OGG)
ea_obj->format = ECORE_AUDIO_FORMAT_OGG;
else if (obj->sfinfo.format& SF_FORMAT_FLAC)
ea_obj->format = ECORE_AUDIO_FORMAT_FLAC;
else
ea_obj->format = ECORE_AUDIO_FORMAT_AUTO;
}
static void _source_get(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
{
Ecore_Audio_Object *obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
const char **ret = va_arg(*list, const char **);
if (ret)
*ret = obj->source;
}
static void _format_set(Eo *eo_obj, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
Ecore_Audio_Format format= va_arg(*list, Ecore_Audio_Format);
Eina_Bool *ret = va_arg(*list, Eina_Bool *);
if (ea_obj->source) {
ERR("Input is already open - cannot change format");
return;
}
switch (format) {
case ECORE_AUDIO_FORMAT_AUTO:
obj->sfinfo.format = 0;
break;
case ECORE_AUDIO_FORMAT_WAV:
obj->sfinfo.format = SF_FORMAT_WAV|SF_FORMAT_PCM_16;
break;
case ECORE_AUDIO_FORMAT_OGG:
obj->sfinfo.format = SF_FORMAT_OGG|SF_FORMAT_VORBIS;
break;
case ECORE_AUDIO_FORMAT_FLAC:
obj->sfinfo.format = SF_FORMAT_FLAC;
break;
default:
ERR("Format not supported!");
if (ret)
*ret = EINA_FALSE;
return;
}
ea_obj->format = format;
if (ret)
*ret = EINA_TRUE;
}
static void _format_get(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
{
Ecore_Audio_Object *obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
Ecore_Audio_Format *ret = va_arg(*list, Ecore_Audio_Format *);
if (ret)
*ret = obj->format;
}
static void _free_vio(Ecore_Audio_Object *ea_obj)
{
if (ea_obj->vio->free_func)
ea_obj->vio->free_func(ea_obj->vio->data);
free(ea_obj->vio);
ea_obj->vio = NULL;
}
static void _vio_set(Eo *eo_obj, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
Ecore_Audio_Input *in_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_IN_CLASS);
Ecore_Audio_Vio *vio = va_arg(*list, Ecore_Audio_Vio *);
void *data = va_arg(*list, Ecore_Audio_Vio *);
eo_base_data_free_func free_func = va_arg(*list, eo_base_data_free_func);
if (obj->handle) {
sf_close(obj->handle);
obj->handle = NULL;
}
eina_stringshare_replace(&ea_obj->source, "VIO");
if (!ea_obj->source)
return;
if (ea_obj->vio)
_free_vio(ea_obj);
in_obj->seekable = EINA_FALSE;
if (!vio)
return;
ea_obj->vio = calloc(1, sizeof(Ecore_Audio_Vio_Internal));
ea_obj->vio->vio = vio;
ea_obj->vio->data = data;
ea_obj->vio->free_func = free_func;
in_obj->seekable = (vio->seek != NULL);
obj->handle = sf_open_virtual(&vio_wrapper, SFM_READ, &obj->sfinfo, eo_obj);
if (!obj->handle) {
eina_stringshare_del(ea_obj->source);
ea_obj->source = NULL;
return;
}
in_obj->seekable = EINA_TRUE;
in_obj->length = (double)obj->sfinfo.frames / obj->sfinfo.samplerate;
in_obj->samplerate = obj->sfinfo.samplerate;
in_obj->channels = obj->sfinfo.channels;
if (obj->sfinfo.format& SF_FORMAT_WAV)
ea_obj->format = ECORE_AUDIO_FORMAT_WAV;
else if (obj->sfinfo.format& SF_FORMAT_OGG)
ea_obj->format = ECORE_AUDIO_FORMAT_OGG;
else if (obj->sfinfo.format& SF_FORMAT_FLAC)
ea_obj->format = ECORE_AUDIO_FORMAT_FLAC;
else
ea_obj->format = ECORE_AUDIO_FORMAT_AUTO;
}
static void _constructor(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
{
eo_do_super(eo_obj, MY_CLASS, eo_constructor());
}
static void _destructor(Eo *eo_obj, void *_pd, va_list *list EINA_UNUSED)
{
Ecore_Audio_Sndfile *obj = _pd;
Ecore_Audio_Object *ea_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
if (obj->handle)
sf_close(obj->handle);
if (ea_obj->vio)
_free_vio(ea_obj);
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_SOURCE_SET), _source_set),
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_SOURCE_GET), _source_get),
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_FORMAT_SET), _format_set),
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_FORMAT_GET), _format_get),
EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_SEEK), _seek),
EO_OP_FUNC(ECORE_AUDIO_OBJ_IN_ID(ECORE_AUDIO_OBJ_IN_SUB_ID_READ_INTERNAL), _sndfile_read),
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_VIO_SET), _vio_set),
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_IN_SNDFILE_BASE_ID, op_desc, ECORE_AUDIO_OBJ_IN_SNDFILE_SUB_ID_LAST),
NULL,
sizeof(Ecore_Audio_Sndfile),
_class_constructor,
NULL
};
EO_DEFINE_CLASS(ecore_audio_obj_in_sndfile_class_get, &class_desc, ECORE_AUDIO_OBJ_IN_CLASS, NULL);