formats/format_wav: enhancing log message "Not a wav file" to be clear on what is...

Modifying the log message to be more specific as to what is supported. Specifically it seems format_wav supports only PCM encoded versions with a lower-case '.wav' extension.

(closes issues ASTERISK-22310)
Reported by: Jim Credland
Review: https://reviewboard.asterisk.org/r/3188/
........

Merged revisions 407511 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@407512 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/formats/format_wav.c b/formats/format_wav.c
index 4e2418646e56c875b070ec3479855fe518dc585a..06d6ae12de7ff9ff85b7e5ac69ed36310cc277e6 100644 (file)
--- a/formats/format_wav.c
+++ b/formats/format_wav.c
@@ -91,7 +91,7 @@ static int check_header_fmt(FILE *f, int hsize, int hz)
                return -1;
        }
        if (ltohs(format) != 1) {
-               ast_log(LOG_WARNING, "Not a wav file %d\n", ltohs(format));
+               ast_log(LOG_WARNING, "Not a supported wav file format (%d). Only PCM encoded, 16 bit, mono, 8kHz files are supported with a lowercase '.wav' extension.\n", ltohs(format));
                return -1;
        }
        if (fread(&chans, 1, 2, f) != 2) {