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-rw-r--r--formats/format_au.c314
1 files changed, 0 insertions, 314 deletions
diff --git a/formats/format_au.c b/formats/format_au.c
deleted file mode 100644
index 06626a052..000000000
--- a/formats/format_au.c
+++ /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;
-}