C++ (Cpp) _ssize Examples

Example #1

File: linuxaudiodev.c Project: grobe0ba/plan9front

/* obufcount returns the number of samples that can be played without
   blocking */
static PyObject *
lad_obuffree(lad_t *self, PyObject *unused)
{
    audio_buf_info ai;
    int nchannels=0, ssize=0;

    if (_ssize(self, &nchannels, &ssize) < 0 || !ssize || !nchannels) {
        PyErr_SetFromErrno(LinuxAudioError);
        return NULL;
    }
    if (ioctl(self->x_fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(LinuxAudioError);
        return NULL;
    }
    return PyInt_FromLong(ai.bytes / (ssize * nchannels));
}

Example #2

File: ossaudiodev.c Project: packages/python

/* obufcount returns the number of samples that can be played without
   blocking */
static PyObject *
oss_obuffree(oss_audio_t *self, PyObject *unused)
{
    audio_buf_info ai;
    int nchannels=0, ssize=0;

    if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    return PyLong_FromLong(ai.bytes / (ssize * nchannels));
}

Example #3

File: ossaudiodev.c Project: Austin503/android-python2.7.3

/* bufsize returns the size of the hardware audio buffer in number
   of samples */
static PyObject *
oss_bufsize(oss_audio_t *self, PyObject *unused)
{
    audio_buf_info ai;
    int nchannels=0, ssize=0;

    if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
}

Example #4

File: ossaudiodev.c Project: BackupTheBerlios/pyasynchio-svn

/* bufsize returns the size of the hardware audio buffer in number
   of samples */
static PyObject *
oss_bufsize(oss_audio_t *self, PyObject *args)
{
    audio_buf_info ai;
    int nchannels, ssize;

    if (!PyArg_ParseTuple(args, ":bufsize")) return NULL;

    if (_ssize(self, &nchannels, &ssize) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
}

Example #5

File: ossaudiodev.c Project: BackupTheBerlios/pyasynchio-svn

/* obufcount returns the number of samples that can be played without
   blocking */
static PyObject *
oss_obuffree(oss_audio_t *self, PyObject *args)
{
    audio_buf_info ai;
    int nchannels, ssize;

    if (!PyArg_ParseTuple(args, ":obuffree"))
        return NULL;

    if (_ssize(self, &nchannels, &ssize) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    return PyInt_FromLong(ai.bytes / (ssize * nchannels));
}

Example #6

File: ossaudiodev.c Project: 1564143452/kbengine

/* obufcount returns the number of samples that are available in the
   hardware for playing */
static PyObject *
oss_obufcount(oss_audio_t *self, PyObject *unused)
{
    audio_buf_info ai;
    int nchannels=0, ssize=0;

    if (!_is_fd_valid(self->fd))
        return NULL;

    if (_ssize(self, &nchannels, &ssize) < 0 || !nchannels || !ssize) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    if (ioctl(self->fd, SNDCTL_DSP_GETOSPACE, &ai) < 0) {
        PyErr_SetFromErrno(PyExc_IOError);
        return NULL;
    }
    return PyLong_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) /
                          (ssize * nchannels));
}