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First pass at restoring festival operation 

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@1323 f38db490-d61c-443f-a65b-d21fe96a405b
This commit is contained in:
markster 2003-08-14 15:58:55 +00:00
parent 9d95cf1953
commit 18ecda6b7d
1 changed files with 26 additions and 47 deletions
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73
apps/app_festival.c
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@ -125,9 +125,9 @@ static int send_waveform_to_fd(char *waveform, int length, int fd) {
static int send_waveform_to_channel(struct ast_channel *chan, char *waveform, int length) {
int res=0;
int fds[2];
int rfds[1 + AST_MAX_FDS];
int ms = -1;
int pid = -1;
int needed = 0;
int us;
int exception;
int owriteformat;
@ -135,10 +135,11 @@ static int send_waveform_to_channel(struct ast_channel *chan, char *waveform, in
struct timeval last;
struct ast_frame *f;
int x;
struct ast_frame *winner;
struct myframe {
struct ast_frame f;
char offset[AST_FRIENDLY_OFFSET];
char frdata[160];
char frdata[2048];
} myf;
last.tv_usec = 0;
last.tv_sec = 0;
@ -162,53 +163,34 @@ static int send_waveform_to_channel(struct ast_channel *chan, char *waveform, in
pid = res;
/* Order is important -- there's almost always going to be mp3... we want to prioritize the
user */
rfds[AST_MAX_FDS] = fds[0];
for (;;) {
CHECK_BLOCKING(chan);
for (x=0;x<AST_MAX_FDS;x++)
rfds[x] = chan->fds[x];
res = ast_waitfor_n_fd(rfds, AST_MAX_FDS+1, &ms, &exception);
chan->blocking = 0;
ms = 1000;
res = ast_waitfor(chan, ms);
if (res < 1) {
ast_log(LOG_DEBUG, "Hangup detected\n");
res = -1;
break;
}
for(x=0;x<AST_MAX_FDS;x++)
if (res == chan->fds[x])
break;
if (x < AST_MAX_FDS) {
if (exception)
chan->exception = 1;
f = ast_read(chan);
if (!f) {
ast_log(LOG_DEBUG, "Null frame == hangup() detected\n");
res = -1;
break;
}
if (f->frametype == AST_FRAME_DTMF) {
ast_log(LOG_DEBUG, "User pressed a key\n");
ast_frfree(f);
res = 0;
break;
}
f = ast_read(chan);
if (!f) {
ast_log(LOG_DEBUG, "Null frame == hangup() detected\n");
res = -1;
break;
}
if (f->frametype == AST_FRAME_DTMF) {
ast_log(LOG_DEBUG, "User pressed a key\n");
ast_frfree(f);
} else if (res == fds[0]) {
gettimeofday(&tv, NULL);
if (last.tv_sec || last.tv_usec) {
/* We should wait at least a frame length */
us = sizeof(myf.frdata) / 16 * 1000;
/* Subtract 1,000,000 us for each second late we've passed */
us -= (tv.tv_sec - last.tv_sec) * 1000000;
/* And one for each us late we've passed */
us -= (tv.tv_usec - last.tv_usec);
/* Sleep that long if needed */
if (us > 0)
usleep(us);
res = 0;
break;
}
if (f->frametype == AST_FRAME_VOICE) {
/* Treat as a generator */
needed = f->sample * 2;
if (needed > sizeof(myf.frdata)) {
ast_log(LOG_WARNING, "Only able to deliver %d of %d requested samples\n",
sizeof(myf.frdata) / 2, needed/2);
needed = sizeof(myf.frdata);
}
last = tv;
res = read(fds[0], myf.frdata, sizeof(myf.frdata));
res = read(fds[0], myf.frdata, needed);
if (res > 0) {
myf.f.frametype = AST_FRAME_VOICE;
myf.f.subclass = AST_FORMAT_SLINEAR;
@ -222,7 +204,7 @@ static int send_waveform_to_channel(struct ast_channel *chan, char *waveform, in
res = -1;
break;
}
if (res < sizeof(myf.frdata)) { // last frame
if (res < needed) { // last frame
ast_log(LOG_WARNING, "Last frame\n");
res=0;
break;
@ -231,11 +213,8 @@ static int send_waveform_to_channel(struct ast_channel *chan, char *waveform, in
ast_log(LOG_WARNING, "No more waveform\n");
res = 0;
}
} else {
ast_log(LOG_DEBUG, "HuhHHH?\n");
res = -1;
break;
}
ast_frfree(f);
}
}
close(fds[0]);