vtorri
/
efl
forked from enlightenment/efl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ecore_audio: Support VIO in sndfile input 

Signed-off-by: Daniel Willmann <d.willmann@samsung.com>
This commit is contained in:
Daniel Willmann 2013-04-17 20:34:18 +01:00
parent 6df9640c10
commit d2326d229e
1 changed files with 140 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

141
src/lib/ecore_audio/ecore_audio_obj_in_sndfile.c
View File

@ -23,11 +23,82 @@ struct _Ecore_Audio_Sndfile
{
SNDFILE *handle;
SF_INFO sfinfo;
Ecore_Audio_Vio *vio;
};
typedef struct _Ecore_Audio_Sndfile Ecore_Audio_Sndfile;
/* Virtual IO wrapper functions */
static sf_count_t _wrap_get_filelen(void *data)
{
Eo *eo_obj = data;
Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
if (!ea_obj->vio->vio)
goto error;
if (ea_obj->vio->vio->get_length)
return ea_obj->vio->vio->get_length(ea_obj->vio->data, eo_obj);
error:
return -1;
}
static sf_count_t _wrap_seek(sf_count_t offset, int whence, void *data)
{
Eo *eo_obj = data;
Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
if (!ea_obj->vio->vio)
goto error;
if (ea_obj->vio->vio->seek)
return ea_obj->vio->vio->seek(ea_obj->vio->data, eo_obj, offset, whence);
error:
return -1;
}
static sf_count_t _wrap_read(void *buffer, sf_count_t count, void *data)
{
Eo *eo_obj = data;
Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
if (!ea_obj->vio->vio)
goto error;
if (ea_obj->vio->vio->read)
return ea_obj->vio->vio->read(ea_obj->vio->data, eo_obj, buffer, count);
error:
return 0;
}
static sf_count_t _wrap_tell(void *data)
{
Eo *eo_obj = data;
Ecore_Audio_Object *ea_obj = eo_data_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
if (!ea_obj->vio->vio)
goto error;
if (ea_obj->vio->vio->tell)
return ea_obj->vio->vio->tell(ea_obj->vio->data, eo_obj);
error:
return -1;
}
static SF_VIRTUAL_IO vio_wrapper = {
.get_filelen = _wrap_get_filelen,
.seek = _wrap_seek,
.read = _wrap_read,
.write = NULL,
.tell = _wrap_tell,
};
/* End virtual IO wrapper functions */
static void _read(Eo *eo_obj, void *_pd, va_list *list)
{
Ecore_Audio_Sndfile *obj = _pd;
@ -85,6 +156,7 @@ static void _source_set(Eo *eo_obj, void *_pd, va_list *list)
return;
}
ea_obj->seekable = EINA_TRUE;
in_obj->length = (double)obj->sfinfo.frames / obj->sfinfo.samplerate;
in_obj->samplerate = obj->sfinfo.samplerate;
@ -151,6 +223,72 @@ static void _format_get(Eo *eo_obj, void *_pd EINA_UNUSED, va_list *list)
*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_get(eo_obj, ECORE_AUDIO_OBJ_CLASS);
Ecore_Audio_Input *in_obj = eo_data_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);
ea_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;
ea_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;
}
ea_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, va_list *list EINA_UNUSED)
{
eo_do_super(eo_obj, MY_CLASS, eo_constructor());
@ -171,6 +309,7 @@ static void _class_constructor(Eo_Class *klass)
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), _read),
EO_OP_FUNC(ECORE_AUDIO_OBJ_ID(ECORE_AUDIO_OBJ_SUB_ID_VIO_SET), _vio_set),
EO_OP_FUNC_SENTINEL
};