The file size of WAV49 does not need to be an even number.

(closes issue #12128)
Reported by: mdu113
Patches:
      12128-noevenlength.diff uploaded by qwell (license 4)
Tested by: qwell, mdu113

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@111658 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/formats/format_wav_gsm.c b/formats/format_wav_gsm.c
index 727f9cf22a40925d70e521ac56c85891f08c2a95..1655cbd21e1008c9498e9e3ae55dfc4c2b5c88b1 100644 (file)
--- a/formats/format_wav_gsm.c
+++ b/formats/format_wav_gsm.c
@@ -227,8 +227,8 @@ static int update_header(FILE *f)
        /* in a gsm WAV, data starts 60 bytes in */
        bytes = end - MSGSM_DATA_OFFSET;
        samples = htoll(bytes / MSGSM_FRAME_SIZE * MSGSM_SAMPLES);
-       datalen = htoll((bytes + 1) & ~0x1);
-       filelen = htoll(MSGSM_DATA_OFFSET - 8 + ((bytes + 1) & ~0x1));
+       datalen = htoll(bytes);
+       filelen = htoll(MSGSM_DATA_OFFSET - 8 + bytes);
        if (cur < 0) {
                ast_log(LOG_WARNING, "Unable to find our position\n");
                return -1;
@@ -402,15 +402,6 @@ static int wav_rewrite(struct ast_filestream *s, const char *comment)
        return 0;
 }
 
-static void wav_close(struct ast_filestream *s)
-{
-       char zero = 0;
-       /* Pad to even length */
-       fseek(s->f, 0, SEEK_END);
-       if (ftello(s->f) & 0x1)
-               fwrite(&zero, 1, 1, s->f);
-}
-
 static struct ast_frame *wav_read(struct ast_filestream *s, int *whennext)
 {
        /* Send a frame from the file to the appropriate channel */
@@ -552,7 +543,6 @@ static const struct ast_format wav49_f = {
        .trunc = wav_trunc,
        .tell = wav_tell,
        .read = wav_read,
-       .close = wav_close,
        .buf_size = 2*GSM_FRAME_SIZE + AST_FRIENDLY_OFFSET,
        .desc_size = sizeof(struct wavg_desc),
 };