Use a 32k file buffer on recordings, which increases the efficiency of file recording.

(closes issue #11962)
 Reported by: garlew
 Patches: 
       recording.patch uploaded by garlew (license 376)
       bug-11962.diff uploaded by snuffy (license 35)


git-svn-id: http://svn.digium.com/svn/asterisk/trunk@112564 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 12 insertions, 2 deletions

diff --git a/main/file.c b/main/file.c
index 73387a2ff..e34020ed8 100644
--- a/main/file.c
+++ b/main/file.c
@@ -817,17 +817,22 @@ int ast_closestream(struct ast_filestream *f)
 			ast_safe_system(cmd);
 	}
 
+	if (f->fmt->close) {
+		f->fmt->close(f);
+	}
 	if (f->filename)
 		ast_free(f->filename);
 	if (f->realfilename)
 		ast_free(f->realfilename);
-	if (f->fmt->close)
-		f->fmt->close(f);
 	fclose(f->f);
 	if (f->vfs)
 		ast_closestream(f->vfs);
 	if (f->orig_chan_name)
 		free((void *) f->orig_chan_name);
+	if (f->write_buffer) {
+		ast_free(f->write_buffer);
+	}
+
 	ast_module_unref(f->fmt->module);
 	ast_free(f);
 	return 0;
@@ -1051,6 +1056,11 @@ struct ast_filestream *ast_writefile(const char *filename, const char *type, con
 			}
 			fs->vfs = NULL;
 			/* If truncated, we'll be at the beginning; if not truncated, then append */
+
+			if ((fs->write_buffer = ast_malloc(32768))){
+				setvbuf(fs->f, fs->write_buffer, _IOFBF, 32768);
+			}
+
 			f->seek(fs, 0, SEEK_END);
 		} else if (errno != EEXIST) {
 			ast_log(LOG_WARNING, "Unable to open file %s: %s\n", fn, strerror(errno));