Bug #1087. Fix wav49 format so it can be played. Make file functions

looking for extension use f->exts instead of f->name.  Fix bug
where error message didn't print file extension. Fix comments in header file.
Everything is completely backwards compatible


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2247 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_record.c

@@ -30,13 +30,13 @@ static char *app = "Record";
 static char *synopsis = "Record to a file";
 
 static char *descrip = 
-"  Record(filename:extension|silence): Records from the channel into a given\n"
+"  Record(filename:format|silence): Records from the channel into a given\n"
 "filename. If the file exists it will be overwritten. \n"
-"- 'extension' is the extension of the file type to be recorded (wav, gsm, etc).\n"
+"- 'format' is the format of the file type to be recorded (wav, gsm, etc).\n"
 "- 'silence' is the number of seconds of silence to allow before returning.\n\n"
 "If filename contains '%d', these characters will be replaced with a number\n"
 "incremented by one each time the file is recorded. \n\n"
-"Extensions: g723, g729, gsm, h263, ulaw, alaw, vox, wav, WAV\n\n"
+"Formats: g723, g729, gsm, h263, ulaw, alaw, vox, wav, WAV\n\n"
 "Returns -1 when the user hangs up.\n";
 
 STANDARD_LOCAL_USER;

file.c

@@ -287,6 +287,22 @@ static char *build_filename(char *filename, char *ext)
 	
 }
 
+static int exts_compare(char *exts, char *type)
+{
+	char *stringp = NULL, *ext;
+	char tmp[256];
+
+	strncpy(tmp, exts, sizeof(tmp) - 1);
+	stringp = tmp;
+	while ((ext = strsep(&stringp, "|"))) {
+		if (!strcmp(ext, type)) {
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
 #define ACTION_EXISTS 1
 #define ACTION_DELETE 2
 #define ACTION_RENAME 3
@@ -319,7 +335,7 @@ static int ast_filehelper(char *filename, char *filename2, char *fmt, int action
 	}
 	f = formats;
 	while(f) {
-		if (!fmt || !strcasecmp(f->name, fmt)) {
+		if (!fmt || exts_compare(f->exts, fmt)) {
 			char *stringp=NULL;
 			exts = strdup(f->exts);
 			/* Try each kind of extension */
@@ -376,7 +392,7 @@ static int ast_filehelper(char *filename, char *filename2, char *fmt, int action
 											chan->vstream = s;
 									} else {
 										close(ret);
-										ast_log(LOG_WARNING, "Unable to open fd on %s\n", filename);
+										ast_log(LOG_WARNING, "Unable to open fd on %s\n", fn);
 									}
 								} else
 									ast_log(LOG_WARNING, "Couldn't open file %s\n", fn);
@@ -748,7 +764,7 @@ struct ast_filestream *ast_readfile(char *filename, char *type, char *comment, i
 	}
 	f = formats;
 	while(f) {
-		if (!strcasecmp(f->name, type)) {
+		if (exts_compare(f->exts, type)) {
 			char *stringp=NULL;
 			/* XXX Implement check XXX */
 			ext = strdup(f->exts);
@@ -803,7 +819,7 @@ struct ast_filestream *ast_writefile(char *filename, char *type, char *comment,
 
 	f = formats;
 	while(f) {
-		if (!strcasecmp(f->name, type)) {
+		if (exts_compare(f->exts, type)) {
 			char *stringp=NULL;
 			/* XXX Implement check XXX */
 			ext = strdup(f->exts);

formats/format_g723.c

@@ -47,7 +47,7 @@ static int glistcnt = 0;
 
 static char *name = "g723sf";
 static char *desc = "G.723.1 Simple Timestamp File Format";
-static char *exts = "g723";
+static char *exts = "g723|g723sf";
 
 static struct ast_filestream *g723_open(int fd)
 {

formats/format_wav_gsm.c

@@ -68,7 +68,7 @@ static int glistcnt = 0;
 
 static char *name = "wav49";
 static char *desc = "Microsoft WAV format (Proprietary GSM)";
-static char *exts = "WAV";
+static char *exts = "WAV|wav49";
 
 #if __BYTE_ORDER == __LITTLE_ENDIAN
 #define htoll(b) (b)
@@ -199,10 +199,12 @@ static int check_header(int fd)
 		ast_log(LOG_WARNING, "Read failed (data)\n");
 		return -1;
 	}
+#if 0  /* Does this header actually exist?  It doesn't appear to in the files that are created with ast_writefile using this format */
 	if (memcmp(&data, "data", 4)) {
 		ast_log(LOG_WARNING, "Does not say data\n");
 		return -1;
 	}
+#endif
 	/* Ignore the data length */
 	if (read(fd, &data, 4) != 4) {
 		ast_log(LOG_WARNING, "Read failed (data)\n");

include/asterisk/file.h

@@ -142,19 +142,19 @@ char ast_waitstream_full(struct ast_channel *c, char *breakon, int audiofd, int
 
 //! Starts reading from a file
 /*!
- * \param filename the name of the file to write to
- * \param type format of file you wish to write out to
+ * \param filename the name of the file to read from
+ * \param type format of file you wish to read from
  * \param comment comment to go with
- * \param oflags output file flags
+ * \param flags file flags
  * \param check (unimplemented, hence negligible)
  * \param mode Open mode
- * Open an incoming file stream.  oflags are flags for the open() command, and 
- * if check is non-zero, then it will not write a file if there are any files that 
+ * Open an incoming file stream.  flags are flags for the open() command, and 
+ * if check is non-zero, then it will not read a file if there are any files that 
  * start with that name and have an extension
  * Please note, this is a blocking function.  Program execution will not return until ast_waitstream completes it's execution.
  * Returns a struct ast_filestream on success, NULL on failure
  */
-struct ast_filestream *ast_readfile(char *filename, char *type, char *comment, int oflags, int check, mode_t mode);
+struct ast_filestream *ast_readfile(char *filename, char *type, char *comment, int flags, int check, mode_t mode);
 
 //! Starts writing a file
 /*!
@@ -170,7 +170,7 @@ struct ast_filestream *ast_readfile(char *filename, char *type, char *comment, i
  * Please note, this is a blocking function.  Program execution will not return until ast_waitstream completes it's execution.
  * Returns a struct ast_filestream on success, NULL on failure
  */
-struct ast_filestream *ast_writefile(char *filename, char *type, char *comment, int oflags, int check, mode_t mode);
+struct ast_filestream *ast_writefile(char *filename, char *type, char *comment, int flags, int check, mode_t mode);
 
 //! Writes a frame to a stream
 /*!