Version 0.1.8 from FTP
authorMark Spencer <markster@digium.com>
Tue, 10 Apr 2001 03:08:27 +0000 (03:08 +0000)
committerMark Spencer <markster@digium.com>
Tue, 10 Apr 2001 03:08:27 +0000 (03:08 +0000)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@268 65c4cc65-6c06-0410-ace0-fbb531ad65f3

codecs/codec_mp3_d.c
formats/format_mp3.c
formats/format_wav.c

index aad6d75..d271dfe 100755 (executable)
@@ -17,6 +17,7 @@
 #include <asterisk/translate.h>
 #include <asterisk/module.h>
 #include <asterisk/logger.h>
+#include <asterisk/channel.h>
 #include <pthread.h>
 #include <fcntl.h>
 #include <errno.h>
@@ -108,40 +109,30 @@ static struct ast_frame *mp3tolin_sample()
 
 static struct ast_frame *mp3tolin_frameout(struct ast_translator_pvt *tmp)
 {
-       int sent;
        if (!tmp->tail)
                return NULL;
-       sent = tmp->tail;
-       if (sent > MAX_OUT_FRAME/2)
-               sent = MAX_OUT_FRAME/2;
        /* Signed linear is no particular frame size, so just send whatever
           we have in the buffer in one lump sum */
        tmp->f.frametype = AST_FRAME_VOICE;
        tmp->f.subclass = AST_FORMAT_SLINEAR;
-       tmp->f.datalen = sent * 2;
+       tmp->f.datalen = tmp->tail * 2;
        /* Assume 8000 Hz */
-       tmp->f.timelen = sent / 8;
+       tmp->f.timelen = tmp->tail / 8;
        tmp->f.mallocd = 0;
        tmp->f.offset = AST_FRIENDLY_OFFSET;
        tmp->f.src = __PRETTY_FUNCTION__;
-       memcpy(tmp->outbuf, tmp->buf, tmp->tail * 2);
-       tmp->f.data = tmp->outbuf;
+       tmp->f.data = tmp->buf;
        /* Reset tail pointer */
-       tmp->tail -= sent;
-       if (tmp->tail) 
-               memmove(tmp->buf, tmp->buf + sent, tmp->tail * 2);
+       tmp->tail = 0;
 
 #if 0
        /* Save a sample frame */
-       { static int samplefr = 0;
-       if (samplefr == 80) {
-               int fd;
-               fd = open("mp3.example", O_WRONLY | O_CREAT, 0644);
+       {
+               static int fd = -1;
+               if (fd < 0) 
+                       fd = open("mp3out.raw", O_WRONLY | O_CREAT | O_TRUNC, 0644);
                write(fd, tmp->f.data, tmp->f.datalen);
-               close(fd);
        }               
-       samplefr++;
-       }
 #endif
        return &tmp->f; 
 }
@@ -295,11 +286,11 @@ static struct ast_translator mp3tolin =
 int unload_module(void)
 {
        int res;
-       pthread_mutex_lock(&localuser_lock);
+       ast_pthread_mutex_lock(&localuser_lock);
        res = ast_unregister_translator(&mp3tolin);
        if (localusecnt)
                res = -1;
-       pthread_mutex_unlock(&localuser_lock);
+       ast_pthread_mutex_unlock(&localuser_lock);
        return res;
 }
 
index a3e25d4..83c8e1c 100755 (executable)
@@ -62,7 +62,7 @@ static struct ast_filestream *mp3_open(int fd)
           and be sure it's a valid file.  */
        struct ast_filestream *tmp;
        if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-               if (pthread_mutex_lock(&mp3_lock)) {
+               if (ast_pthread_mutex_lock(&mp3_lock)) {
                        ast_log(LOG_WARNING, "Unable to lock mp3 list\n");
                        free(tmp);
                        return NULL;
@@ -76,7 +76,7 @@ static struct ast_filestream *mp3_open(int fd)
                tmp->last.tv_sec = 0;
                tmp->adj = 0;
                glistcnt++;
-               pthread_mutex_unlock(&mp3_lock);
+               ast_pthread_mutex_unlock(&mp3_lock);
                ast_update_use_count();
        }
        return tmp;
@@ -89,7 +89,7 @@ static struct ast_filestream *mp3_rewrite(int fd, char *comment)
           and be sure it's a valid file.  */
        struct ast_filestream *tmp;
        if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-               if (pthread_mutex_lock(&mp3_lock)) {
+               if (ast_pthread_mutex_lock(&mp3_lock)) {
                        ast_log(LOG_WARNING, "Unable to lock mp3 list\n");
                        free(tmp);
                        return NULL;
@@ -99,7 +99,7 @@ static struct ast_filestream *mp3_rewrite(int fd, char *comment)
                tmp->fd = fd;
                tmp->owner = NULL;
                glistcnt++;
-               pthread_mutex_unlock(&mp3_lock);
+               ast_pthread_mutex_unlock(&mp3_lock);
                ast_update_use_count();
        } else
                ast_log(LOG_WARNING, "Out of memory\n");
@@ -114,7 +114,7 @@ static struct ast_frame *mp3_read(struct ast_filestream *s)
 static void mp3_close(struct ast_filestream *s)
 {
        struct ast_filestream *tmp, *tmpl = NULL;
-       if (pthread_mutex_lock(&mp3_lock)) {
+       if (ast_pthread_mutex_lock(&mp3_lock)) {
                ast_log(LOG_WARNING, "Unable to lock mp3 list\n");
                return;
        }
@@ -137,7 +137,7 @@ static void mp3_close(struct ast_filestream *s)
                        ast_sched_del(s->owner->sched, s->owner->streamid);
                s->owner->streamid = -1;
        }
-       pthread_mutex_unlock(&mp3_lock);
+       ast_pthread_mutex_unlock(&mp3_lock);
        ast_update_use_count();
        if (!tmp) 
                ast_log(LOG_WARNING, "Freeing a filestream we don't seem to own\n");
@@ -187,8 +187,9 @@ static int ast_read_callback(void *data)
                gettimeofday(&tv, NULL);
                ms = ((tv.tv_usec - s->last.tv_usec) / 1000 + (tv.tv_sec - s->last.tv_sec) * 1000);
                /* If we're within 2 milliseconds, that's close enough */
-               if ((ms - delay) * (ms - delay) > 4)
+               if ((ms - delay) > 0 )
                        s->adj -= (ms - delay);
+               s->adj -= 2;
        }
        s->fr.timelen = delay;
 #if 0
@@ -260,7 +261,7 @@ int load_module()
 int unload_module()
 {
        struct ast_filestream *tmp, *tmpl;
-       if (pthread_mutex_lock(&mp3_lock)) {
+       if (ast_pthread_mutex_lock(&mp3_lock)) {
                ast_log(LOG_WARNING, "Unable to lock mp3 list\n");
                return -1;
        }
@@ -272,19 +273,19 @@ int unload_module()
                tmp = tmp->next;
                free(tmpl);
        }
-       pthread_mutex_unlock(&mp3_lock);
+       ast_pthread_mutex_unlock(&mp3_lock);
        return ast_format_unregister(name);
 }      
 
 int usecount()
 {
        int res;
-       if (pthread_mutex_lock(&mp3_lock)) {
+       if (ast_pthread_mutex_lock(&mp3_lock)) {
                ast_log(LOG_WARNING, "Unable to lock mp3 list\n");
                return -1;
        }
        res = glistcnt;
-       pthread_mutex_unlock(&mp3_lock);
+       ast_pthread_mutex_unlock(&mp3_lock);
        return res;
 }
 
index 071c24f..77ac719 100755 (executable)
@@ -1,7 +1,7 @@
 /*
  * Asterisk -- A telephony toolkit for Linux.
  *
- * Microsoft WAV File Format using libaudiofile 
+ * Work with WAV in the proprietary Microsoft format.
  * 
  * Copyright (C) 1999, Mark Spencer
  *
 #include <asterisk/module.h>
 #include <arpa/inet.h>
 #include <stdlib.h>
+#include <sys/time.h>
 #include <stdio.h>
 #include <unistd.h>
 #include <errno.h>
 #include <string.h>
 #include <pthread.h>
-#include <audiofile.h>
+#include <endian.h>
 
+/* Some Ideas for this code came from makewave.c by Jeffery Chilton */
 
-/* Read 320 samples at a time, max */ 
-#define WAV_MAX_SIZE 320
-
-/* Fudge in milliseconds */
-#define WAV_FUDGE 2
+/* Portions of the conversion code are by guido@sienanet.it */
 
 struct ast_filestream {
-       /* First entry MUST be reserved for the channel type */
        void *reserved[AST_RESERVED_POINTERS];
+       /* Believe it or not, we must decode/recode to account for the
+          weird MS format */
        /* This is what a filestream means to us */
        int fd; /* Descriptor */
-       /* Audio File */
-       AFfilesetup afs;
-       AFfilehandle af;
-       int lasttimeout;
+       int bytes;
        struct ast_channel *owner;
-       struct ast_filestream *next;
        struct ast_frame fr;                            /* Frame information */
        char waste[AST_FRIENDLY_OFFSET];        /* Buffer for sending frames, etc */
-       short samples[WAV_MAX_SIZE];
+       char empty;                                                     /* Empty character */
+       short buf[160];                         /* Two Real GSM Frames */
+       int foffset;
+       int lasttimeout;
+       struct timeval last;
+       int adj;
+       struct ast_filestream *next;
 };
 
 
@@ -54,68 +55,248 @@ static pthread_mutex_t wav_lock = PTHREAD_MUTEX_INITIALIZER;
 static int glistcnt = 0;
 
 static char *name = "wav";
-static char *desc = "Microsoft WAV format (PCM/16, 8000Hz mono)";
+static char *desc = "Microsoft WAV format (8000hz Signed Linear)";
 static char *exts = "wav";
 
+#define BLOCKSIZE 160
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define htoll(b) (b)
+#define htols(b) (b)
+#define ltohl(b) (b)
+#define ltohs(b) (b)
+#else
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define htoll(b)  \
+          (((((b)      ) & 0xFF) << 24) | \
+              ((((b) >>  8) & 0xFF) << 16) | \
+                  ((((b) >> 16) & 0xFF) <<  8) | \
+                  ((((b) >> 24) & 0xFF)      ))
+#define htols(b) \
+          (((((b)      ) & 0xFF) << 8) | \
+                  ((((b) >> 8) & 0xFF)      ))
+#define ltohl(b) htoll(b)
+#define ltohs(b) htols(b)
+#else
+#error "Endianess not defined"
+#endif
+#endif
+
+
+static int check_header(int fd)
+{
+       int type, size, formtype;
+       int fmt, hsize;
+       short format, chans, bysam, bisam;
+       int bysec;
+       int freq;
+       int data;
+       if (read(fd, &type, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (type)\n");
+               return -1;
+       }
+       if (read(fd, &size, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (size)\n");
+               return -1;
+       }
+       size = ltohl(size);
+       if (read(fd, &formtype, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (formtype)\n");
+               return -1;
+       }
+       if (memcmp(&type, "RIFF", 4)) {
+               ast_log(LOG_WARNING, "Does not begin with RIFF\n");
+               return -1;
+       }
+       if (memcmp(&formtype, "WAVE", 4)) {
+               ast_log(LOG_WARNING, "Does not contain WAVE\n");
+               return -1;
+       }
+       if (read(fd, &fmt, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (fmt)\n");
+               return -1;
+       }
+       if (memcmp(&fmt, "fmt ", 4)) {
+               ast_log(LOG_WARNING, "Does not say fmt\n");
+               return -1;
+       }
+       if (read(fd, &hsize, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (formtype)\n");
+               return -1;
+       }
+       if (ltohl(hsize) != 16) {
+               ast_log(LOG_WARNING, "Unexpected header size %d\n", ltohl(hsize));
+               return -1;
+       }
+       if (read(fd, &format, 2) != 2) {
+               ast_log(LOG_WARNING, "Read failed (format)\n");
+               return -1;
+       }
+       if (ltohs(format) != 1) {
+               ast_log(LOG_WARNING, "Not a wav file %d\n", ltohs(format));
+               return -1;
+       }
+       if (read(fd, &chans, 2) != 2) {
+               ast_log(LOG_WARNING, "Read failed (format)\n");
+               return -1;
+       }
+       if (ltohs(chans) != 1) {
+               ast_log(LOG_WARNING, "Not in mono %d\n", ltohs(chans));
+               return -1;
+       }
+       if (read(fd, &freq, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (freq)\n");
+               return -1;
+       }
+       if (ltohl(freq) != 8000) {
+               ast_log(LOG_WARNING, "Unexpected freqency %d\n", ltohl(freq));
+               return -1;
+       }
+       /* Ignore the byte frequency */
+       if (read(fd, &bysec, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (BYTES_PER_SECOND)\n");
+               return -1;
+       }
+       /* Check bytes per sample */
+       if (read(fd, &bysam, 2) != 2) {
+               ast_log(LOG_WARNING, "Read failed (BYTES_PER_SAMPLE)\n");
+               return -1;
+       }
+       if (ltohs(bysam) != 2) {
+               ast_log(LOG_WARNING, "Can only handle 16bits per sample: %d\n", ltohs(bysam));
+               return -1;
+       }
+       if (read(fd, &bisam, 2) != 2) {
+               ast_log(LOG_WARNING, "Read failed (Bits Per Sample): &d\n", ltohs(bisam));
+               return -1;
+       }
+        /* Begin data chunk */
+       if (read(fd, &data, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (data)\n");
+               return -1;
+       }
+       if (memcmp(&data, "data", 4)) {
+               ast_log(LOG_WARNING, "Does not say data\n");
+               return -1;
+       }
+       /* Ignore the data length */
+       if (read(fd, &data, 4) != 4) {
+               ast_log(LOG_WARNING, "Read failed (data)\n");
+               return -1;
+       }
+       return 0;
+}
+
+static int update_header(int fd, int bytes)
+{
+       int cur;
+       int datalen = htoll(bytes);
+       /* int filelen = htoll(52 + ((bytes + 1) & ~0x1)); */
+       int filelen = htoll(36 + bytes);
+       
+       cur = lseek(fd, 0, SEEK_CUR);
+       if (cur < 0) {
+               ast_log(LOG_WARNING, "Unable to find our position\n");
+               return -1;
+       }
+       if (lseek(fd, 4, SEEK_SET) != 4) {
+               ast_log(LOG_WARNING, "Unable to set our position\n");
+               return -1;
+       }
+       if (write(fd, &filelen, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to set write file size\n");
+               return -1;
+       }
+       if (lseek(fd, 40, SEEK_SET) != 40) {
+               ast_log(LOG_WARNING, "Unable to set our position\n");
+               return -1;
+       }
+       if (write(fd, &datalen, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to set write datalen\n");
+               return -1;
+       }
+       if (lseek(fd, cur, SEEK_SET) != cur) {
+               ast_log(LOG_WARNING, "Unable to return to position\n");
+               return -1;
+       }
+       return 0;
+}
+
+static int write_header(int fd)
+{
+       unsigned int hz=htoll(8000);
+       unsigned int bhz = htoll(16000);
+       unsigned int hs = htoll(16);
+       unsigned short fmt = htols(1);
+       unsigned short chans = htols(1);
+       unsigned short bysam = htols(2);
+       unsigned short bisam = htols(16);
+       unsigned int size = htoll(0);
+       /* Write a wav header, ignoring sizes which will be filled in later */
+       if (write(fd, "RIFF", 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &size, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, "WAVEfmt ", 8) != 8) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &hs, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &fmt, 2) != 2) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &chans, 2) != 2) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &hz, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &bhz, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &bysam, 2) != 2) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &bisam, 2) != 2) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, "data", 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       if (write(fd, &size, 4) != 4) {
+               ast_log(LOG_WARNING, "Unable to write header\n");
+               return -1;
+       }
+       return 0;
+}
+
 static struct ast_filestream *wav_open(int fd)
 {
        /* We don't have any header to read or anything really, but
           if we did, it would go here.  We also might want to check
           and be sure it's a valid file.  */
        struct ast_filestream *tmp;
-       int notok = 0;
-       int fmt, width;
-       double rate;
        if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-               tmp->afs = afNewFileSetup();
-               if (!tmp->afs) {
-                       ast_log(LOG_WARNING, "Unable to create file setup\n");
-                       free(tmp);
-                       return NULL;
-               }
-               afInitFileFormat(tmp->afs, AF_FILE_WAVE);
-               tmp->af = afOpenFD(fd, "r", tmp->afs);
-               if (!tmp->af) {
-                       afFreeFileSetup(tmp->afs);
-                       ast_log(LOG_WARNING, "Unable to open file descriptor\n");
+               memset(tmp, 0, sizeof(struct ast_filestream));
+               if (check_header(fd)) {
                        free(tmp);
                        return NULL;
                }
-#if 0
-               afGetFileFormat(tmp->af, &version);
-               if (version != AF_FILE_WAVE) {
-                       ast_log(LOG_WARNING, "This is not a wave file (%d)\n", version);
-                       notok++;
-               }
-#endif
-               /* Read the format and make sure it's exactly what we seek. */
-               if (afGetChannels(tmp->af, AF_DEFAULT_TRACK) != 1) {
-                       ast_log(LOG_WARNING, "Invalid number of channels %d.  Should be mono (1)\n", afGetChannels(tmp->af, AF_DEFAULT_TRACK));
-                       notok++;
-               }
-               afGetSampleFormat(tmp->af, AF_DEFAULT_TRACK, &fmt, &width);
-               if (fmt != AF_SAMPFMT_TWOSCOMP) {
-                       ast_log(LOG_WARNING, "Input file is not signed\n");
-                       notok++;
-               }
-               rate = afGetRate(tmp->af, AF_DEFAULT_TRACK);
-               if ((rate < 7900) || (rate > 8100)) {
-                       ast_log(LOG_WARNING, "Rate %f is not close enough to 8000 Hz\n", rate);
-                       notok++;
-               }
-               if (width != 16) {
-                       ast_log(LOG_WARNING, "Input file is not 16-bit\n");
-                       notok++;
-               }
-               if (notok) {
-                       afCloseFile(tmp->af);
-                       afFreeFileSetup(tmp->afs);
-                       free(tmp);
-                       return NULL;
-               }
-               if (pthread_mutex_lock(&wav_lock)) {
-                       afCloseFile(tmp->af);
-                       afFreeFileSetup(tmp->afs);
+               if (ast_pthread_mutex_lock(&wav_lock)) {
                        ast_log(LOG_WARNING, "Unable to lock wav list\n");
                        free(tmp);
                        return NULL;
@@ -124,15 +305,16 @@ static struct ast_filestream *wav_open(int fd)
                glist = tmp;
                tmp->fd = fd;
                tmp->owner = NULL;
-               tmp->fr.data = tmp->samples;
+               tmp->fr.data = tmp->buf;
                tmp->fr.frametype = AST_FRAME_VOICE;
                tmp->fr.subclass = AST_FORMAT_SLINEAR;
                /* datalen will vary for each frame */
                tmp->fr.src = name;
                tmp->fr.mallocd = 0;
                tmp->lasttimeout = -1;
+               tmp->bytes = 0;
                glistcnt++;
-               pthread_mutex_unlock(&wav_lock);
+               ast_pthread_mutex_unlock(&wav_lock);
                ast_update_use_count();
        }
        return tmp;
@@ -145,28 +327,12 @@ static struct ast_filestream *wav_rewrite(int fd, char *comment)
           and be sure it's a valid file.  */
        struct ast_filestream *tmp;
        if ((tmp = malloc(sizeof(struct ast_filestream)))) {
-               tmp->afs = afNewFileSetup();
-               if (!tmp->afs) {
-                       ast_log(LOG_WARNING, "Unable to create file setup\n");
+               memset(tmp, 0, sizeof(struct ast_filestream));
+               if (write_header(fd)) {
                        free(tmp);
                        return NULL;
                }
-               /* WAV format */
-               afInitFileFormat(tmp->afs, AF_FILE_WAVE);
-               /* Mono */
-               afInitChannels(tmp->afs, AF_DEFAULT_TRACK, 1);
-               /* Signed linear, 16-bit */
-               afInitSampleFormat(tmp->afs, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
-               /* 8000 Hz */
-               afInitRate(tmp->afs, AF_DEFAULT_TRACK, (double)8000.0);
-               tmp->af = afOpenFD(fd, "w", tmp->afs);
-               if (!tmp->af) {
-                       afFreeFileSetup(tmp->afs);
-                       ast_log(LOG_WARNING, "Unable to open file descriptor\n");
-                       free(tmp);
-                       return NULL;
-               }
-               if (pthread_mutex_lock(&wav_lock)) {
+               if (ast_pthread_mutex_lock(&wav_lock)) {
                        ast_log(LOG_WARNING, "Unable to lock wav list\n");
                        free(tmp);
                        return NULL;
@@ -177,7 +343,7 @@ static struct ast_filestream *wav_rewrite(int fd, char *comment)
                tmp->owner = NULL;
                tmp->lasttimeout = -1;
                glistcnt++;
-               pthread_mutex_unlock(&wav_lock);
+               ast_pthread_mutex_unlock(&wav_lock);
                ast_update_use_count();
        } else
                ast_log(LOG_WARNING, "Out of memory\n");
@@ -192,7 +358,8 @@ static struct ast_frame *wav_read(struct ast_filestream *s)
 static void wav_close(struct ast_filestream *s)
 {
        struct ast_filestream *tmp, *tmpl = NULL;
-       if (pthread_mutex_lock(&wav_lock)) {
+       char zero = 0;
+       if (ast_pthread_mutex_lock(&wav_lock)) {
                ast_log(LOG_WARNING, "Unable to lock wav list\n");
                return;
        }
@@ -215,54 +382,54 @@ static void wav_close(struct ast_filestream *s)
                        ast_sched_del(s->owner->sched, s->owner->streamid);
                s->owner->streamid = -1;
        }
-       pthread_mutex_unlock(&wav_lock);
+       ast_pthread_mutex_unlock(&wav_lock);
        ast_update_use_count();
        if (!tmp) 
                ast_log(LOG_WARNING, "Freeing a filestream we don't seem to own\n");
-       afCloseFile(tmp->af);
-       afFreeFileSetup(tmp->afs);
+       /* Pad to even length */
+       if (s->bytes & 0x1)
+               write(s->fd, &zero, 1);
        close(s->fd);
        free(s);
+#if 0
+       printf("bytes = %d\n", s->bytes);
+#endif
 }
 
 static int ast_read_callback(void *data)
 {
-       u_int32_t delay = -1;
        int retval = 0;
        int res;
+       int delay;
        struct ast_filestream *s = data;
        /* Send a frame from the file to the appropriate channel */
-
-       if ((res = afReadFrames(s->af, AF_DEFAULT_TRACK, s->samples, sizeof(s->samples)/2)) < 1) {
-               if (res)
+       
+       if ( (res = read(s->fd, s->buf, sizeof(s->buf))) <= 0 ) {
+               if (res) {
                        ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
+               }
                s->owner->streamid = -1;
                return 0;
        }
-       /* Per 8 samples, one milisecond */
-       delay = res / 8;
+               
+       delay = res / 16;
        s->fr.frametype = AST_FRAME_VOICE;
        s->fr.subclass = AST_FORMAT_SLINEAR;
        s->fr.offset = AST_FRIENDLY_OFFSET;
-       s->fr.datalen = res * 2;
-       s->fr.data = s->samples;
+       s->fr.datalen = res;
+       s->fr.data = s->buf;
        s->fr.mallocd = 0;
        s->fr.timelen = delay;
-       /* Unless there is no delay, we're going to exit out as soon as we
-          have processed the current frame. */
-       /* If there is a delay, lets schedule the next event */
+
+       /* Lastly, process the frame */ 
        if (delay != s->lasttimeout) {
-               /* We'll install the next timeout now. */
-               s->owner->streamid = ast_sched_add(s->owner->sched, 
-                                                                                         delay, 
-                                                                                         ast_read_callback, s);
-               
+               s->owner->streamid = ast_sched_add(s->owner->sched, delay, ast_read_callback, s);
                s->lasttimeout = delay;
        } else {
-               /* Just come back again at the same time */
                retval = -1;
        }
-       /* Lastly, process the frame */
+       
+       
        if (ast_write(s->owner, &s->fr)) {
                ast_log(LOG_WARNING, "Failed to write frame\n");
                s->owner->streamid = -1;
@@ -282,20 +449,38 @@ static int wav_apply(struct ast_channel *c, struct ast_filestream *s)
 
 static int wav_write(struct ast_filestream *fs, struct ast_frame *f)
 {
-       int res;
+       int res = 0;
+#if 0
+       int size = 0;
+#endif
        if (f->frametype != AST_FRAME_VOICE) {
                ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
                return -1;
        }
        if (f->subclass != AST_FORMAT_SLINEAR) {
-               ast_log(LOG_WARNING, "Asked to write non-signed linear frame (%d)!\n", f->subclass);
+               ast_log(LOG_WARNING, "Asked to write non-GSM frame (%d)!\n", f->subclass);
                return -1;
        }
-       if ((res = afWriteFrames(fs->af, AF_DEFAULT_TRACK, f->data, f->datalen/2)) != f->datalen/2) {
-               ast_log(LOG_WARNING, "Unable to write frame: res=%d (%s)\n", res, strerror(errno));
+
+#if 0
+       printf("Data Length: %d\n", f->datalen);
+#endif 
+
+       if (fs->buf) {
+               if ((write (fs->fd, f->data, f->datalen) != f->datalen) ) {
+                       ast_log(LOG_WARNING, "Bad write (%d): %s\n", res, strerror(errno));
+                       return -1;
+               }
+       } else {
+               ast_log(LOG_WARNING, "Cannot write data to file.\n");
                return -1;
-       }       
+       }
+       
+       fs->bytes += f->datalen;
+       update_header(fs->fd, fs->bytes);
+               
        return 0;
+
 }
 
 static char *wav_getcomment(struct ast_filestream *s)
@@ -312,7 +497,7 @@ int load_module()
                                                                wav_write,
                                                                wav_read,
                                                                wav_close,
-                                                               wav_getcomment);                                                                
+                                                               wav_getcomment);
                                                                
                                                                
 }
@@ -320,7 +505,7 @@ int load_module()
 int unload_module()
 {
        struct ast_filestream *tmp, *tmpl;
-       if (pthread_mutex_lock(&wav_lock)) {
+       if (ast_pthread_mutex_lock(&wav_lock)) {
                ast_log(LOG_WARNING, "Unable to lock wav list\n");
                return -1;
        }
@@ -332,19 +517,19 @@ int unload_module()
                tmp = tmp->next;
                free(tmpl);
        }
-       pthread_mutex_unlock(&wav_lock);
+       ast_pthread_mutex_unlock(&wav_lock);
        return ast_format_unregister(name);
 }      
 
 int usecount()
 {
        int res;
-       if (pthread_mutex_lock(&wav_lock)) {
+       if (ast_pthread_mutex_lock(&wav_lock)) {
                ast_log(LOG_WARNING, "Unable to lock wav list\n");
                return -1;
        }
        res = glistcnt;
-       pthread_mutex_unlock(&wav_lock);
+       ast_pthread_mutex_unlock(&wav_lock);
        return res;
 }