diff options
Diffstat (limited to '1.4.23-rc4/formats/format_g723.c')
| -rw-r--r-- | 1.4.23-rc4/formats/format_g723.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/1.4.23-rc4/formats/format_g723.c b/1.4.23-rc4/formats/format_g723.c deleted file mode 100644 index dd5a1e6af..000000000 --- a/1.4.23-rc4/formats/format_g723.c +++ /dev/null @@ -1,163 +0,0 @@ -/* - * Asterisk -- An open source telephony toolkit. - * - * Copyright (C) 1999 - 2005, 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 Old-style G.723.1 frame/timestamp format. - * - * \arg Extensions: g723, g723sf - * \ingroup formats - */ - -#include "asterisk.h" - -ASTERISK_FILE_VERSION(__FILE__, "$Revision$") - -#include <unistd.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <string.h> -#include <sys/time.h> - -#include "asterisk/lock.h" -#include "asterisk/channel.h" -#include "asterisk/file.h" -#include "asterisk/logger.h" -#include "asterisk/sched.h" -#include "asterisk/module.h" - -#define G723_MAX_SIZE 1024 - -static struct ast_frame *g723_read(struct ast_filestream *s, int *whennext) -{ - unsigned short size; - int res; - int delay; - /* Read the delay for the next packet, and schedule again if necessary */ - /* XXX is this ignored ? */ - if (fread(&delay, 1, 4, s->f) == 4) - delay = ntohl(delay); - else - delay = -1; - if (fread(&size, 1, 2, s->f) != 2) { - /* Out of data, or the file is no longer valid. In any case - go ahead and stop the stream */ - return NULL; - } - /* Looks like we have a frame to read from here */ - size = ntohs(size); - if (size > G723_MAX_SIZE) { - ast_log(LOG_WARNING, "Size %d is invalid\n", size); - /* The file is apparently no longer any good, as we - shouldn't ever get frames even close to this - size. */ - return NULL; - } - /* Read the data into the buffer */ - s->fr.frametype = AST_FRAME_VOICE; - s->fr.subclass = AST_FORMAT_G723_1; - s->fr.mallocd = 0; - AST_FRAME_SET_BUFFER(&s->fr, s->buf, AST_FRIENDLY_OFFSET, size); - if ((res = fread(s->fr.data, 1, s->fr.datalen, s->f)) != size) { - ast_log(LOG_WARNING, "Short read (%d of %d bytes) (%s)!\n", res, size, strerror(errno)); - return NULL; - } - *whennext = s->fr.samples = 240; - return &s->fr; -} - -static int g723_write(struct ast_filestream *s, struct ast_frame *f) -{ - uint32_t delay; - uint16_t size; - int res; - /* XXX there used to be a check s->fr means a read stream */ - if (f->frametype != AST_FRAME_VOICE) { - ast_log(LOG_WARNING, "Asked to write non-voice frame!\n"); - return -1; - } - if (f->subclass != AST_FORMAT_G723_1) { - ast_log(LOG_WARNING, "Asked to write non-g723 frame!\n"); - return -1; - } - delay = 0; - if (f->datalen <= 0) { - ast_log(LOG_WARNING, "Short frame ignored (%d bytes long?)\n", f->datalen); - return 0; - } - if ((res = fwrite(&delay, 1, 4, s->f)) != 4) { - ast_log(LOG_WARNING, "Unable to write delay: res=%d (%s)\n", res, strerror(errno)); - return -1; - } - size = htons(f->datalen); - if ((res = fwrite(&size, 1, 2, s->f)) != 2) { - ast_log(LOG_WARNING, "Unable to write size: res=%d (%s)\n", res, strerror(errno)); - return -1; - } - if ((res = fwrite(f->data, 1, f->datalen, s->f)) != f->datalen) { - ast_log(LOG_WARNING, "Unable to write frame: res=%d (%s)\n", res, strerror(errno)); - return -1; - } - return 0; -} - -static int g723_seek(struct ast_filestream *fs, off_t sample_offset, int whence) -{ - return -1; -} - -static int g723_trunc(struct ast_filestream *fs) -{ - /* Truncate file to current length */ - if (ftruncate(fileno(fs->f), ftello(fs->f)) < 0) - return -1; - return 0; -} - -static off_t g723_tell(struct ast_filestream *fs) -{ - return -1; -} - -static const struct ast_format g723_1_f = { - .name = "g723sf", - .exts = "g723|g723sf", - .format = AST_FORMAT_G723_1, - .write = g723_write, - .seek = g723_seek, - .trunc = g723_trunc, - .tell = g723_tell, - .read = g723_read, - .buf_size = G723_MAX_SIZE + AST_FRIENDLY_OFFSET, -}; - -static int load_module(void) -{ - return ast_format_register(&g723_1_f); -} - -static int unload_module(void) -{ - return ast_format_unregister(g723_1_f.name); -} - -AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "G.723.1 Simple Timestamp File Format"); |