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Merged revisions 33841 via svnmerge from

Browse Source 
https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r33841 | kpfleming | 2006-06-13 08:30:06 -0500 (Tue, 13 Jun 2006) | 2 lines

memory allocation optimizations

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@33842 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.4
Kevin P. Fleming 19 years ago
parent bcb9f8687c
commit 0af1edefb6
1 changed files with 56 additions and 59 deletions
Show Stats Download Patch File Download Diff File

115
apps/app_mixmonitor.c
Unescape View File

@ -92,7 +92,7 @@ struct module_symbols *me;
static const char *mixmonitor_spy_type = "MixMonitor";
struct mixmonitor {
struct ast_channel_spy *spy;
struct ast_channel_spy spy;
struct ast_filestream *fs;
char *post_process;
char *name;
@ -135,7 +135,7 @@ static void stopmon(struct ast_channel_spy *spy)
return;
ast_channel_lock(chan);
ast_channel_spy_remove(spy->chan, spy);
ast_channel_spy_remove(chan, spy);
ast_channel_unlock(chan);
}
@ -169,24 +169,24 @@ static void *mixmonitor_thread(void *obj)
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Begin MixMonitor Recording %s\n", mixmonitor->name);
ast_mutex_lock(&mixmonitor->spy->lock);
ast_mutex_lock(&mixmonitor->spy.lock);
while (mixmonitor->spy->chan) {
struct ast_frame *next = NULL;
while (mixmonitor->spy.chan) {
struct ast_frame *next;
int write;
ast_channel_spy_trigger_wait(mixmonitor->spy);
ast_channel_spy_trigger_wait(&mixmonitor->spy);
if (!mixmonitor->spy->chan || mixmonitor->spy->status != CHANSPY_RUNNING) {
if (!mixmonitor->spy.chan || mixmonitor->spy.status != CHANSPY_RUNNING) {
break;
}
while (1) {
if (!(f = ast_channel_spy_read_frame(mixmonitor->spy, SAMPLES_PER_FRAME)))
if (!(f = ast_channel_spy_read_frame(&mixmonitor->spy, SAMPLES_PER_FRAME)))
break;
write = (!ast_test_flag(mixmonitor, MUXFLAG_BRIDGED) ||
ast_bridged_channel(mixmonitor->spy->chan));
ast_bridged_channel(mixmonitor->spy.chan));
/* it is possible for ast_channel_spy_read_frame() to return a chain
of frames if a queue flush was necessary, so process them
@ -200,27 +200,23 @@ static void *mixmonitor_thread(void *obj)
}
}
ast_mutex_unlock(&mixmonitor->spy->lock);
ast_mutex_unlock(&mixmonitor->spy.lock);
stopmon(mixmonitor->spy);
stopmon(&mixmonitor->spy);
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "End MixMonitor Recording %s\n", mixmonitor->name);
if (!ast_strlen_zero(mixmonitor->post_process)) {
if (mixmonitor->post_process) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_2 "Executing [%s]\n", mixmonitor->post_process);
ast_safe_system(mixmonitor->post_process);
}
ast_mutex_destroy(&mixmonitor->spy->lock);
ast_mutex_destroy(&mixmonitor->spy.lock);
ast_closestream(mixmonitor->fs);
/* Deallocate everything */
free(mixmonitor->spy);
free(mixmonitor->post_process);
free(mixmonitor->name);
free(mixmonitor);
ast_atomic_fetchadd_int(&__mod_desc->usecnt, -1);
@ -234,23 +230,42 @@ static void launch_monitor_thread(struct ast_channel *chan, const char *filename
pthread_attr_t attr;
pthread_t thread;
struct mixmonitor *mixmonitor;
char *file_name, *postprocess, *ext, postprocess2[1024] = "";
char *file_name, *ext;
char postprocess2[1024] = "";
unsigned int oflags;
size_t len;
if (!(mixmonitor = ast_calloc(1, sizeof(*mixmonitor)))) {
ast_log(LOG_ERROR, "Memory Error!\n");
return;
len = sizeof(*mixmonitor) + strlen(chan->name) + 1;
/* If a post process system command is given attach it to the structure */
if (!ast_strlen_zero(post_process)) {
char *p1, *p2;
p1 = ast_strdupa(post_process);
for (p2 = p1; *p2 ; p2++) {
if (*p2 == '^' && *(p2+1) == '{') {
*p2 = '$';
}
}
pbx_substitute_variables_helper(chan, p1, postprocess2, sizeof(postprocess2) - 1);
if (!ast_strlen_zero(postprocess2))
len += strlen(postprocess2) + 1;
}
if (!(mixmonitor->spy = ast_calloc(1, sizeof(*mixmonitor->spy)))) {
ast_log(LOG_ERROR, "Memory Error!\n");
free(mixmonitor);
return;
}
/* Pre-allocate mixmonitor structure and spy */
if (!(mixmonitor = calloc(1, len))) {
return;
}
/* Copy over flags and channel name */
mixmonitor->flags = flags;
mixmonitor->name = ast_strdup(chan->name);
mixmonitor->name = (char *) mixmonitor + sizeof(*mixmonitor);
strcpy(mixmonitor->name, chan->name);
if (!ast_strlen_zero(postprocess2)) {
mixmonitor->post_process = mixmonitor->name + strlen(mixmonitor->name) + 1;
strcpy(mixmonitor->post_process, postprocess2);
}
/* Determine creation flags and filename plus extension for filestream */
oflags = O_CREAT | O_WRONLY;
@ -266,51 +281,33 @@ static void launch_monitor_thread(struct ast_channel *chan, const char *filename
mixmonitor->fs = ast_writefile(file_name, ext, NULL, oflags, 0, 0644);
if (!mixmonitor->fs) {
ast_log(LOG_ERROR, "Cannot open %s.%s\n", file_name, ext);
free(mixmonitor->name);
free(mixmonitor->spy);
free(mixmonitor);
return;
}
/* If a post process system command is given attach it to the structure */
if (!ast_strlen_zero(post_process)) {
char *p = NULL;
postprocess = ast_strdupa(post_process);
for (p = postprocess; *p ; p++) {
if (*p == '^' && *(p+1) == '{') {
*p = '$';
}
}
pbx_substitute_variables_helper(chan, postprocess, postprocess2, sizeof(postprocess2) - 1);
mixmonitor->post_process = strdup(postprocess2);
}
/* Setup the actual spy before creating our thread */
ast_set_flag(mixmonitor->spy, CHANSPY_FORMAT_AUDIO);
ast_set_flag(mixmonitor->spy, CHANSPY_MIXAUDIO);
mixmonitor->spy->type = mixmonitor_spy_type;
mixmonitor->spy->status = CHANSPY_RUNNING;
mixmonitor->spy->read_queue.format = AST_FORMAT_SLINEAR;
mixmonitor->spy->write_queue.format = AST_FORMAT_SLINEAR;
ast_set_flag(&mixmonitor->spy, CHANSPY_FORMAT_AUDIO);
ast_set_flag(&mixmonitor->spy, CHANSPY_MIXAUDIO);
mixmonitor->spy.type = mixmonitor_spy_type;
mixmonitor->spy.status = CHANSPY_RUNNING;
mixmonitor->spy.read_queue.format = AST_FORMAT_SLINEAR;
mixmonitor->spy.write_queue.format = AST_FORMAT_SLINEAR;
if (readvol) {
ast_set_flag(mixmonitor->spy, CHANSPY_READ_VOLADJUST);
mixmonitor->spy->read_vol_adjustment = readvol;
ast_set_flag(&mixmonitor->spy, CHANSPY_READ_VOLADJUST);
mixmonitor->spy.read_vol_adjustment = readvol;
}
if (writevol) {
ast_set_flag(mixmonitor->spy, CHANSPY_WRITE_VOLADJUST);
mixmonitor->spy->write_vol_adjustment = writevol;
ast_set_flag(&mixmonitor->spy, CHANSPY_WRITE_VOLADJUST);
mixmonitor->spy.write_vol_adjustment = writevol;
}
ast_mutex_init(&mixmonitor->spy->lock);
ast_mutex_init(&mixmonitor->spy.lock);
if (startmon(chan, mixmonitor->spy)) {
if (startmon(chan, &mixmonitor->spy)) {
ast_log(LOG_WARNING, "Unable to add '%s' spy to channel '%s'\n",
mixmonitor->spy->type, chan->name);
mixmonitor->spy.type, chan->name);
/* Since we couldn't add ourselves - bail out! */
ast_mutex_destroy(&mixmonitor->spy->lock);
free(mixmonitor->post_process);
ast_mutex_destroy(&mixmonitor->spy.lock);
ast_closestream(mixmonitor->fs);
free(mixmonitor->name);
free(mixmonitor->spy);
free(mixmonitor);
return;
}

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