/**
* Set the parameters of the dsp device
*/
int dsp_configuration(int const fd_dsp, music_file_t const * audio_file)
{
unsigned arg;
int ret;
// Nb of channels
arg = audio_file -> channels;
MY_IOCTL(fd_dsp, SNDCTL_DSP_CHANNELS, & arg);
if (arg != audio_file -> channels) {
fprintf(stderr, "This number of channels not supported by OSS! Sorry...\n");
return 1;
}
// Sample format
arg = audio_file -> oss_format;
unsigned format = audio_file -> oss_format;
// Some sound cards don't support AFMT_S8 but use AFMT_U8 instead...
ret = ioctl(fd_dsp, SNDCTL_DSP_SETFMT, &arg);
if (ret == -1 && errno == EINVAL && format == AFMT_S8) {
arg = format = AFMT_U8;
ret = ioctl(fd_dsp, SNDCTL_DSP_SETFMT, &arg);
}
if (ret == -1) {
perror ("ioctl");
return 2;
}
if (arg != format) {
fprintf(stderr, "Unable to set OSS sample format.\n");
return 1;
}
// Sample rate
arg = audio_file -> sample_rate;
MY_IOCTL(fd_dsp, SNDCTL_DSP_SPEED, & arg);
if (arg != audio_file -> sample_rate) {
fprintf(stderr, "This sample rate is not supported by OSS... Sorry!\n");
return 1;
}
return 0;
}
int az_pgroup_destroy(az_groupid_t gid)
{
struct az_pgroup_destroy_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gid = gid;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_DESTROY, &a);
}
int64_t az_process_get_gid(pid_t pid)
{
struct az_process_get_gid_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.label = pid;
return MY_IOCTL(__azulfd, IOC_AZ_PROCESS_GET_GID, &a);
}
int az_pgroup_uncommit_all(az_groupid_t gid)
{
struct az_pgroup_uncommit_all_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gid = gid;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_UNCOMMIT_ALL, &a);
}
/**
* Stop playing thread
*/
int stop_play_loop_music_buffer(pthread_t thread, music_buffer_t *music_buf)
{
int ret;
music_buf->playing = 0;
music_buf->pausing = 0;
pthread_cond_broadcast(&(music_buf->cond));
MY_IOCTL(music_buf->fd_dsp, SNDCTL_DSP_RESET, NULL);
ret = pthread_join(thread, NULL);
if (ret) {
fprintf(stderr, "pthread_join returned error code %d\n", ret);
return 1;
}
return 0;
}
int private_az_process_get_list(az_pgroup_member_t *pm, uint64_t *cnt)
{
struct az_process_get_list_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.memberp = pm;
a.countp = cnt;
return MY_IOCTL(__azulfd, IOC_AZ_PROCESS_GET_LIST, &a);
}
int az_process_kill(pid_t pid, int signum)
{
struct az_process_kill_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.label = pid;
a.signo = signum;
return MY_IOCTL(__azulfd, IOC_AZ_PROCESS_KILL, &a);
}
int az_pgroup_get_list(az_groupid_t *gids, size_t *numgids)
{
struct az_pgroup_get_list_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gidp = (uint64_t *)gids; /* TODO FIXME */
a.countp = numgids;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_GET_LIST, &a);
}
int az_pgroup_get_data(az_groupid_t gid, void *data, size_t *size)
{
struct az_pgroup_get_data_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gid = gid;
a.data = data;
a.data_size = size;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_GET_DATA, &a);
}
int az_pgroup_create(az_groupid_t gid, const void *data, size_t size)
{
struct az_pgroup_create_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gid = gid;
a.data = (void *)data;
a.data_size = size;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_CREATE, &a);
}
int az_process_move(pid_t pid, int64_t sgid, int64_t dgid)
{
struct az_process_move_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.label = pid;
a.sgid = sgid;
a.dgid = dgid;
return MY_IOCTL(__azulfd, IOC_AZ_PROCESS_MOVE, &a);
}
int az_process_add(az_allocid_t ignored, pid_t pid, az_groupid_t gid)
{
struct az_process_add_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.label = pid;
a.pid = pid;
a.gid = gid;
return MY_IOCTL(__azulfd, IOC_AZ_PROCESS_ADD, &a);
}
int az_pgroup_get_rlimit(az_groupid_t gid, process_resource_t type,
az_rlimit_t *rl)
{
struct az_pgroup_get_rlimit_args a;
if (__azulinit()) {
errno = __azul_errno;
return -1;
}
a.gid = gid;
a.resource = type;
a.rlimit = rl;
return MY_IOCTL(__azulfd, IOC_AZ_PGROUP_GET_RLIMIT, &a);
}
