static int mp3play(const char *filename, unsigned int sampling_rate, int fd)
{
int res;
char sampling_rate_str[8];
res = ast_safe_fork(0);
if (res < 0)
ast_log(LOG_WARNING, "Fork failed\n");
if (res) {
return res;
}
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(fd, STDOUT_FILENO);
ast_close_fds_above_n(STDERR_FILENO);
snprintf(sampling_rate_str, 8, "%u", sampling_rate);
/* Execute mpg123, but buffer if it's a net connection */
if (!strncasecmp(filename, "http://", 7) && strstr(filename, ".m3u")) {
char buffer_size_str[8];
snprintf(buffer_size_str, 8, "%u", (int) 0.5*2*sampling_rate/1000); // 0.5 seconds for a live stream
/* Most commonly installed in /usr/local/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(MPG_123, "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
}
else if (!strncasecmp(filename, "http://", 7)) {
char buffer_size_str[8];
snprintf(buffer_size_str, 8, "%u", 6*2*sampling_rate/1000); // 6 seconds for a remote MP3 file
/* Most commonly installed in /usr/local/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(MPG_123, "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-s", "-b", buffer_size_str, "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
}
else if (strstr(filename, ".m3u")) {
/* Most commonly installed in /usr/local/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-z", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(MPG_123, "mpg123", "-q", "-z", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-z", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, "-@", filename, (char *)NULL);
}
else {
/* Most commonly installed in /usr/local/bin */
execl(MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", sampling_rate_str, filename, (char *)NULL);
}
/* Can't use ast_log since FD's are closed */
fprintf(stderr, "Execute of mpg123 failed\n");
_exit(0);
}
static int send_waveform_to_fd(char *waveform, int length, int fd)
{
int res;
#if __BYTE_ORDER == __BIG_ENDIAN
int x;
char c;
#endif
res = ast_safe_fork(0);
if (res < 0)
ast_log(LOG_WARNING, "Fork failed\n");
if (res) {
return res;
}
dup2(fd, 0);
ast_close_fds_above_n(0);
if (ast_opt_high_priority)
ast_set_priority(0);
#if __BYTE_ORDER == __BIG_ENDIAN
for (x = 0; x < length; x += 2) {
c = *(waveform + x + 1);
*(waveform + x + 1) = *(waveform + x);
*(waveform + x) = c;
}
#endif
if (write(0, waveform, length) < 0) {
/* Cannot log -- all FDs are already closed */
}
close(fd);
_exit(0);
}
static int icesencode(char *filename, int fd)
{
int res;
res = ast_safe_fork(0);
if (res < 0)
ast_log(LOG_WARNING, "Fork failed\n");
if (res) {
return res;
}
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(fd, STDIN_FILENO);
ast_close_fds_above_n(STDERR_FILENO);
/* Most commonly installed in /usr/local/bin
* But many places has it in /usr/bin
* As a last-ditch effort, try to use PATH
*/
execl(path_LOCAL "ices2", "ices", filename, SENTINEL);
execl(path_BIN "ices2", "ices", filename, SENTINEL);
execlp("ices2", "ices", filename, SENTINEL);
ast_debug(1, "Couldn't find ices version 2, attempting to use ices version 1.");
execl(path_LOCAL "ices", "ices", filename, SENTINEL);
execl(path_BIN "ices", "ices", filename, SENTINEL);
execlp("ices", "ices", filename, SENTINEL);
ast_log(LOG_WARNING, "Execute of ices failed, could not find command.\n");
close(fd);
_exit(0);
}
static pid_t spawn_ras(struct ast_channel *chan, char *args)
{
pid_t pid;
char *c;
char *argv[PPP_MAX_ARGS];
int argc = 0;
char *stringp=NULL;
/* Start by forking */
pid = ast_safe_fork(1);
if (pid) {
return pid;
}
/* Execute RAS on File handles */
dup2(ast_channel_fd(chan, 0), STDIN_FILENO);
/* Drop high priority */
if (ast_opt_high_priority)
ast_set_priority(0);
/* Close other file descriptors */
ast_close_fds_above_n(STDERR_FILENO);
/* Reset all arguments */
memset(argv, 0, sizeof(argv));
/* First argument is executable, followed by standard
arguments for DAHDI PPP */
argv[argc++] = PPP_EXEC;
argv[argc++] = "nodetach";
/* And all the other arguments */
stringp=args;
c = strsep(&stringp, ",");
while(c && strlen(c) && (argc < (PPP_MAX_ARGS - 4))) {
argv[argc++] = c;
c = strsep(&stringp, ",");
}
argv[argc++] = "plugin";
argv[argc++] = "dahdi.so";
argv[argc++] = "stdin";
/* Finally launch PPP */
execv(PPP_EXEC, argv);
fprintf(stderr, "Failed to exec PPPD!\n");
exit(1);
}
static int mp3play(const char *filename, int fd)
{
int res;
res = ast_safe_fork(0);
if (res < 0)
ast_log(LOG_WARNING, "Fork failed\n");
if (res) {
return res;
}
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(fd, STDOUT_FILENO);
ast_close_fds_above_n(STDERR_FILENO);
/* Execute mpg123, but buffer if it's a net connection */
if (!strncasecmp(filename, "http://", 7)) {
/* Most commonly installed in /usr/local/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(MPG_123, "mpg123", "-q", "-s", "-b", "1024","-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
}
else if (strstr(filename, ".m3u")) {
/* Most commonly installed in /usr/local/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-z", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", "-@", filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(MPG_123, "mpg123", "-q", "-z", "-s", "-b", "1024","-f", "8192", "--mono", "-r", "8000", "-@", filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-z", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", "-@", filename, (char *)NULL);
}
else {
/* Most commonly installed in /usr/local/bin */
execl(MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
/* But many places has it in /usr/bin */
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
/* As a last-ditch effort, try to use PATH */
execlp("mpg123", "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
}
/* Can't use ast_log since FD's are closed */
fprintf(stderr, "Execute of mpg123 failed\n");
_exit(0);
}
static int NBScatplay(int fd)
{
int res;
res = ast_safe_fork(0);
if (res < 0) {
ast_log(LOG_WARNING, "Fork failed\n");
}
if (res) {
return res;
}
if (ast_opt_high_priority)
ast_set_priority(0);
dup2(fd, STDOUT_FILENO);
ast_close_fds_above_n(STDERR_FILENO);
/* Most commonly installed in /usr/local/bin */
execl(NBSCAT, "nbscat8k", "-d", (char *)NULL);
execl(LOCAL_NBSCAT, "nbscat8k", "-d", (char *)NULL);
fprintf(stderr, "Execute of nbscat8k failed\n");
_exit(0);
}