these files are now unused, corresponding functions are merged
authorLuigi Rizzo <rizzo@icir.org>
Tue, 4 Apr 2006 17:13:37 +0000 (17:13 +0000)
committerLuigi Rizzo <rizzo@icir.org>
Tue, 4 Apr 2006 17:13:37 +0000 (17:13 +0000)
into format_pcm.c

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@17331 65c4cc65-6c06-0410-ace0-fbb531ad65f3

formats/format_au.c [deleted file]
formats/format_pcm_alaw.c [deleted file]

diff --git a/formats/format_au.c b/formats/format_au.c
deleted file mode 100644 (file)
index 06626a0..0000000
+++ /dev/null
@@ -1,314 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 2005, Andriy Pylypenko
- * Code based on format_wav.c by Mark Spencer
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! 
- * \file
- *
- * \brief Work with Sun Microsystems AU format.
- *
- * signed linear
- * \arg File extension: au
- * \ingroup formats
- */
-#include <stdlib.h>
-#include <sys/time.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/sched.h"
-#include "asterisk/module.h"
-#include "asterisk/endian.h"
-
-#define BUF_SIZE               160     /* samples and 1 byte per sample */
-
-#define AU_HEADER_SIZE         24
-#define AU_HEADER(var)         u_int32_t var[6]
-
-#define AU_HDR_MAGIC_OFF       0
-#define AU_HDR_HDR_SIZE_OFF    1
-#define AU_HDR_DATA_SIZE_OFF   2
-#define AU_HDR_ENCODING_OFF    3
-#define AU_HDR_SAMPLE_RATE_OFF 4
-#define AU_HDR_CHANNELS_OFF    5
-
-#define AU_ENC_8BIT_ULAW       1
-
-#define AU_MAGIC 0x2e736e64
-#if __BYTE_ORDER == __BIG_ENDIAN
-#define htoll(b) (b)
-#define htols(b) (b)
-#define ltohl(b) (b)
-#define ltohs(b) (b)
-#else
-#if __BYTE_ORDER == __LITTLE_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(FILE *f)
-{
-       AU_HEADER(header);
-       u_int32_t magic;
-       u_int32_t hdr_size;
-       off_t data_size;
-       u_int32_t encoding;
-       u_int32_t sample_rate;
-       u_int32_t channels;
-
-       if (fread(header, 1, AU_HEADER_SIZE, f) != AU_HEADER_SIZE) {
-               ast_log(LOG_WARNING, "Read failed (header)\n");
-               return -1;
-       }
-       magic = ltohl(header[AU_HDR_MAGIC_OFF]);
-       if (magic != (u_int32_t) AU_MAGIC) {
-               ast_log(LOG_WARNING, "Bad magic: 0x%x\n", magic);
-       }
-/*     hdr_size = ltohl(header[AU_HDR_HDR_SIZE_OFF]);
-       if (hdr_size < AU_HEADER_SIZE)*/
-       hdr_size = AU_HEADER_SIZE;
-/*     data_size = ltohl(header[AU_HDR_DATA_SIZE_OFF]); */
-       encoding = ltohl(header[AU_HDR_ENCODING_OFF]);
-       if (encoding != AU_ENC_8BIT_ULAW) {
-               ast_log(LOG_WARNING, "Unexpected format: %d. Only 8bit ULAW allowed (%d)\n", encoding, AU_ENC_8BIT_ULAW);
-               return -1;
-       }
-       sample_rate = ltohl(header[AU_HDR_SAMPLE_RATE_OFF]);
-       if (sample_rate != DEFAULT_SAMPLE_RATE) {
-               ast_log(LOG_WARNING, "Sample rate can only be 8000 not %d\n", sample_rate);
-               return -1;
-       }
-       channels = ltohl(header[AU_HDR_CHANNELS_OFF]);
-       if (channels != 1) {
-               ast_log(LOG_WARNING, "Not in mono: channels=%d\n", channels);
-               return -1;
-       }
-       /* Skip to data */
-       fseek(f, 0, SEEK_END);
-       data_size = ftello(f) - hdr_size;
-       if (fseek(f, hdr_size, SEEK_SET) == -1 ) {
-               ast_log(LOG_WARNING, "Failed to skip to data: %d\n", hdr_size);
-               return -1;
-       }
-       return data_size;
-}
-
-static int update_header(FILE *f)
-{
-       off_t cur, end;
-       u_int32_t datalen;
-       int bytes;
-
-       cur = ftello(f);
-       fseek(f, 0, SEEK_END);
-       end = ftello(f);
-       /* data starts 24 bytes in */
-       bytes = end - AU_HEADER_SIZE;
-       datalen = htoll(bytes);
-
-       if (cur < 0) {
-               ast_log(LOG_WARNING, "Unable to find our position\n");
-               return -1;
-       }
-       if (fseek(f, AU_HDR_DATA_SIZE_OFF * sizeof(u_int32_t), SEEK_SET)) {
-               ast_log(LOG_WARNING, "Unable to set our position\n");
-               return -1;
-       }
-       if (fwrite(&datalen, 1, sizeof(datalen), f) != sizeof(datalen)) {
-               ast_log(LOG_WARNING, "Unable to set write file size\n");
-               return -1;
-       }
-       if (fseek(f, cur, SEEK_SET)) {
-               ast_log(LOG_WARNING, "Unable to return to position\n");
-               return -1;
-       }
-       return 0;
-}
-
-static int write_header(FILE *f)
-{
-       AU_HEADER(header);
-
-       header[AU_HDR_MAGIC_OFF] = htoll((u_int32_t) AU_MAGIC);
-       header[AU_HDR_HDR_SIZE_OFF] = htoll(AU_HEADER_SIZE);
-       header[AU_HDR_DATA_SIZE_OFF] = 0;
-       header[AU_HDR_ENCODING_OFF] = htoll(AU_ENC_8BIT_ULAW);
-       header[AU_HDR_SAMPLE_RATE_OFF] = htoll(DEFAULT_SAMPLE_RATE);
-       header[AU_HDR_CHANNELS_OFF] = htoll(1);
-
-       /* Write an au header, ignoring sizes which will be filled in later */
-       fseek(f, 0, SEEK_SET);
-       if (fwrite(header, 1, AU_HEADER_SIZE, f) != AU_HEADER_SIZE) {
-               ast_log(LOG_WARNING, "Unable to write header\n");
-               return -1;
-       }
-       return 0;
-}
-
-static int au_open(struct ast_filestream *s)
-{
-       if (check_header(s->f) < 0)
-               return -1;
-       return 0;
-}
-
-static int au_rewrite(struct ast_filestream *s, const char *comment)
-{
-       if (write_header(s->f))
-               return -1;
-       return 0;
-}
-
-static struct ast_frame *au_read(struct ast_filestream *s, int *whennext)
-{
-       int res;
-       /* Send a frame from the file to the appropriate channel */
-
-       s->fr.frametype = AST_FRAME_VOICE;
-       s->fr.subclass = AST_FORMAT_ULAW;
-       s->fr.mallocd = 0;
-       FR_SET_BUF(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
-       if ((res = fread(s->fr.data, 1, s->fr.datalen, s->f)) < 1) {
-               if (res)
-                       ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
-               return NULL;
-       }
-       *whennext = s->fr.samples = res;
-       s->fr.datalen = res;
-       return &s->fr;
-}
-
-static int au_write(struct ast_filestream *fs, struct ast_frame *f)
-{
-       int res;
-
-       if (f->frametype != AST_FRAME_VOICE) {
-               ast_log(LOG_WARNING, "Asked to write non-voice frame!\n");
-               return -1;
-       }
-       if (f->subclass != AST_FORMAT_ULAW) {
-               ast_log(LOG_WARNING, "Asked to write non-ulaw frame (%d)!\n", f->subclass);
-               return -1;
-       }
-       if ((res = fwrite(f->data, 1, f->datalen, fs->f)) != f->datalen) {
-               ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", res, f->datalen, strerror(errno));
-               return -1;
-       }
-       update_header(fs->f);
-       return 0;
-}
-
-static int au_seek(struct ast_filestream *fs, off_t sample_offset, int whence)
-{
-       off_t min, max, cur;
-       unsigned long offset = 0, samples;
-       
-       samples = sample_offset;
-       min = AU_HEADER_SIZE;
-       cur = ftello(fs->f);
-       fseek(fs->f, 0, SEEK_END);
-       max = ftello(fs->f);
-       if (whence == SEEK_SET)
-               offset = samples + min;
-       else if (whence == SEEK_CUR || whence == SEEK_FORCECUR)
-               offset = samples + cur;
-       else if (whence == SEEK_END)
-               offset = max - samples;
-        if (whence != SEEK_FORCECUR) {
-               offset = (offset > max) ? max : offset;
-       }
-       /* always protect the header space. */
-       offset = (offset < min) ? min : offset;
-       return fseek(fs->f, offset, SEEK_SET);
-}
-
-static int au_trunc(struct ast_filestream *fs)
-{
-       if (ftruncate(fileno(fs->f), ftello(fs->f)))
-               return -1;
-       return update_header(fs->f);
-}
-
-static off_t au_tell(struct ast_filestream *fs)
-{
-       off_t offset = ftello(fs->f);
-       return offset - AU_HEADER_SIZE;
-}
-
-static struct ast_format_lock me = { .usecnt = -1 };
-
-static const struct ast_format au_f = {
-       .name = "au",
-       .exts = "au",
-       .format = AST_FORMAT_ULAW,
-       .open = au_open,
-       .rewrite = au_rewrite,
-       .write = au_write,
-       .seek = au_seek,
-       .trunc = au_trunc,
-       .tell = au_tell,
-       .read = au_read,
-       .buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET,     /* this many shorts */
-       .lockp = &me,
-};
-
-int load_module()
-{
-       return ast_format_register(&au_f);
-}
-
-int unload_module()
-{
-       return ast_format_unregister(au_f.name);
-}
-
-int usecount()
-{
-       return me.usecnt;
-}
-
-char *description()
-{
-       return "Sun Microsystems AU format (signed linear)";
-}
-
-char *key()
-{
-       return ASTERISK_GPL_KEY;
-}
diff --git a/formats/format_pcm_alaw.c b/formats/format_pcm_alaw.c
deleted file mode 100644 (file)
index dcca10a..0000000
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 1999 - 2006, Digium, Inc.
- *
- * Mark Spencer <markster@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Flat, binary, alaw PCM file format.
- * \arg File name extensions: alaw, al
- * \ingroup formats
- */
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <sys/time.h>
-#include <sys/times.h>
-#include <sys/types.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/lock.h"
-#include "asterisk/channel.h"
-#include "asterisk/file.h"
-#include "asterisk/logger.h"
-#include "asterisk/sched.h"
-#include "asterisk/module.h"
-#include "asterisk/endian.h"
-#include "asterisk/alaw.h"
-
-#define BUF_SIZE 160           /* 160 bytes, and same number of samples */
-
-/* #define REALTIME_WRITE */   /* XXX does it work at all ? */
-
-struct pcma_desc {
-#ifdef REALTIME_WRITE
-       unsigned long start_time;
-#endif
-};
-
-static char alaw_silence[BUF_SIZE];
-
-#if 0
-/* Returns time in msec since system boot. */
-static unsigned long get_time(struct ast_filestream *s)
-{
-       struct tms buf;
-       clock_t cur;
-       unsigned long *res;
-
-       cur = times( &buf );
-       if( cur < 0 )
-       {
-               ast_log( LOG_WARNING, "Cannot get current time\n" );
-               return 0;
-       }
-       res = cur * 1000 / sysconf( _SC_CLK_TCK );
-       if (s) {
-               struct pcma_desc *d = (struct pcma_filestream *)s->private;
-               d->start_time = res;
-       }
-       return res;
-}
-#endif
-
-static int pcm_open(struct ast_filestream *s)
-{
-#ifdef REALTIME_WRITE
-       get_time(s);
-#endif
-       return 0;
-}
-
-static int pcm_rewrite(struct ast_filestream *s, const char *comment)
-{
-       return pcm_open(s);
-}
-
-static struct ast_frame *pcm_read(struct ast_filestream *s, int *whennext)
-{
-       int res;
-       /* Send a frame from the file to the appropriate channel */
-
-       s->fr.frametype = AST_FRAME_VOICE;
-       s->fr.subclass = AST_FORMAT_ALAW;
-       s->fr.mallocd = 0;
-       FR_SET_BUF(&s->fr, s->buf, AST_FRIENDLY_OFFSET, BUF_SIZE);
-       if ((res = fread(s->fr.data, 1, s->fr.datalen, s->f)) < 1) {
-               if (res)
-                       ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
-               return NULL;
-       }
-       s->fr.datalen = res;
-       *whennext = s->fr.samples = res;
-       return &s->fr;
-}
-
-static int pcm_write(struct ast_filestream *fs, struct ast_frame *f)
-{
-       int res;
-#ifdef REALTIME_WRITE
-       unsigned long cur_time;
-       unsigned long fpos;
-       struct stat stat_buf;
-       struct pcma_filestream *s = (struct pcma_filestream *)fs->private;
-#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_ALAW) {
-               ast_log(LOG_WARNING, "Asked to write non-alaw frame (%d)!\n", f->subclass);
-               return -1;
-       }
-
-#ifdef REALTIME_WRITE
-       cur_time = get_time();
-       fpos = ( cur_time - s->start_time ) * 8;        /* 8 bytes per msec */
-       /* Check if we have written to this position yet. If we have, then increment pos by one frame
-       *  for some degree of protection against receiving packets in the same clock tick.
-       */
-       
-       fstat(fileno(fs->f), &stat_buf );
-       if (stat_buf.st_size > fpos ) {
-               fpos += f->datalen;     /* Incrementing with the size of this current frame */
-       }
-
-       if (stat_buf.st_size < fpos) {
-               /* fill the gap with 0x55 rather than 0. */
-               char buf[ 512 ];
-               unsigned long cur, to_write;
-
-               cur = stat_buf.st_size;
-               if (fseeko(fs->f, cur, SEEK_SET) < 0) {
-                       ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-                       return -1;
-               }
-               memset(buf, 0x55, 512);
-               while (cur < fpos) {
-                       to_write = fpos - cur;
-                       if (to_write > 512) {
-                               to_write = 512;
-                       }
-                       fwrite(buf, 1, to_write, fs->f);
-                       cur += to_write;
-               }
-       }
-
-
-       if (fseeko(s->f, fpos, SEEK_SET) < 0) {
-               ast_log( LOG_WARNING, "Cannot seek in file: %s\n", strerror(errno) );
-               return -1;
-       }
-#endif /* REALTIME_WRITE */
-       
-       if ((res = fwrite(f->data, 1, f->datalen, fs->f)) != f->datalen) {
-                       ast_log(LOG_WARNING, "Bad write (%d/%d): %s\n", res, f->datalen, strerror(errno));
-                       return -1;
-       }
-       return 0;
-}
-
-static int pcm_seek(struct ast_filestream *fs, off_t sample_offset, int whence)
-{
-       off_t cur, max, offset = 0;
-       int ret = -1; /* assume error */
-
-       cur = ftello(fs->f);
-       fseeko(fs->f, 0, SEEK_END);
-       max = ftello(fs->f);
-
-       switch (whence) {
-       case SEEK_SET:
-               offset = sample_offset;
-               break;
-       case SEEK_END:
-               offset = max - sample_offset;
-               break;
-       case SEEK_CUR:
-       case SEEK_FORCECUR:
-               offset = cur + sample_offset;
-               break;
-       default:
-               ast_log(LOG_WARNING, "invalid whence %d, assuming SEEK_SET\n", whence);
-               offset = sample_offset;
-       }
-
-       if (offset < 0) {
-               offset = 0;
-               ast_log(LOG_WARNING, "negative offset %ld, resetting to 0\n", (long) offset);
-       }
-       if (whence == SEEK_FORCECUR && offset > max) {
-               size_t left = offset - max;
-
-               while (left) {
-                       size_t written = fwrite(alaw_silence, sizeof(alaw_silence[0]),
-                                    (left > BUF_SIZE) ? BUF_SIZE : left, fs->f);
-                       if (written == -1)
-                               break; /* error */
-                       left -= written * sizeof(alaw_silence[0]);
-               }
-               ret = 0; /* success */
-       } else {
-               if (offset > max) {
-                       ast_log(LOG_WARNING, "offset too large %ld, truncating to %ld\n", (long) offset, (long) max);
-                       offset = max;
-               }
-               ret = fseeko(fs->f, offset, SEEK_SET);
-       }
-       return ret;
-}
-
-static int pcm_trunc(struct ast_filestream *fs)
-{
-       return ftruncate(fileno(fs->f), ftello(fs->f));
-}
-
-static off_t pcm_tell(struct ast_filestream *fs)
-{
-       return ftello(fs->f);
-}
-
-static struct ast_format_lock me = { .usecnt = -1 };
-
-static const struct ast_format alaw_f = {
-       .name = "alaw",
-       .exts = "alaw|al",
-       .format = AST_FORMAT_ALAW,
-       .open = pcm_open,
-       .rewrite = pcm_rewrite,
-       .write = pcm_write,
-       .seek = pcm_seek,
-       .trunc = pcm_trunc,
-       .tell = pcm_tell,
-       .read = pcm_read,
-       .buf_size = BUF_SIZE + AST_FRIENDLY_OFFSET,
-       .lockp = &me,
-#ifdef REALTIME_WRITE
-       .desc_size = sizeof(struct pcma_desc),
-#endif
-};
-
-int load_module()
-{
-       int index;
-
-       for (index = 0; index < (sizeof(alaw_silence) / sizeof(alaw_silence[0])); index++)
-               alaw_silence[index] = AST_LIN2A(0);
-
-       return ast_format_register(&alaw_f);
-}
-
-int unload_module()
-{
-       return ast_format_unregister(alaw_f.name);
-}      
-
-int usecount()
-{
-       return me.usecnt;
-}
-
-char *description()
-{
-       return "Raw aLaw 8khz PCM Audio support";
-}
-
-char *key()
-{
-       return ASTERISK_GPL_KEY;
-}