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-rw-r--r--1.2-netsec/formats/format_h263.c281
1 files changed, 0 insertions, 281 deletions
diff --git a/1.2-netsec/formats/format_h263.c b/1.2-netsec/formats/format_h263.c
deleted file mode 100644
index ccba23d6d..000000000
--- a/1.2-netsec/formats/format_h263.c
+++ /dev/null
@@ -1,281 +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 Save to raw, headerless h263 data.
- * \arg File name extension: h263
- * \ingroup formats
- */
-
-#include <unistd.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdlib.h>
-#include <sys/time.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"
-
-/* Some Ideas for this code came from makeh263e.c by Jeffrey Chilton */
-
-/* Portions of the conversion code are by guido@sienanet.it */
-
-struct ast_filestream {
- 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 */
- FILE *f; /* Descriptor */
- unsigned int lastts;
- struct ast_frame fr; /* Frame information */
- char waste[AST_FRIENDLY_OFFSET]; /* Buffer for sending frames, etc */
- char empty; /* Empty character */
- unsigned char h263[4096]; /* Two Real h263 Frames */
-};
-
-
-AST_MUTEX_DEFINE_STATIC(h263_lock);
-static int glistcnt = 0;
-
-static char *name = "h263";
-static char *desc = "Raw h263 data";
-static char *exts = "h263";
-
-static struct ast_filestream *h263_open(FILE *f)
-{
- /* 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;
- unsigned int ts;
- int res;
- if ((res = fread(&ts, 1, sizeof(ts), f)) < sizeof(ts)) {
- ast_log(LOG_WARNING, "Empty file!\n");
- return NULL;
- }
-
- if ((tmp = malloc(sizeof(struct ast_filestream)))) {
- memset(tmp, 0, sizeof(struct ast_filestream));
- if (ast_mutex_lock(&h263_lock)) {
- ast_log(LOG_WARNING, "Unable to lock h263 list\n");
- free(tmp);
- return NULL;
- }
- tmp->f = f;
- tmp->fr.data = tmp->h263;
- tmp->fr.frametype = AST_FRAME_VIDEO;
- tmp->fr.subclass = AST_FORMAT_H263;
- /* datalen will vary for each frame */
- tmp->fr.src = name;
- tmp->fr.mallocd = 0;
- glistcnt++;
- ast_mutex_unlock(&h263_lock);
- ast_update_use_count();
- }
- return tmp;
-}
-
-static struct ast_filestream *h263_rewrite(FILE *f, const char *comment)
-{
- /* 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;
- if ((tmp = malloc(sizeof(struct ast_filestream)))) {
- memset(tmp, 0, sizeof(struct ast_filestream));
- if (ast_mutex_lock(&h263_lock)) {
- ast_log(LOG_WARNING, "Unable to lock h263 list\n");
- free(tmp);
- return NULL;
- }
- tmp->f = f;
- glistcnt++;
- ast_mutex_unlock(&h263_lock);
- ast_update_use_count();
- } else
- ast_log(LOG_WARNING, "Out of memory\n");
- return tmp;
-}
-
-static void h263_close(struct ast_filestream *s)
-{
- if (ast_mutex_lock(&h263_lock)) {
- ast_log(LOG_WARNING, "Unable to lock h263 list\n");
- return;
- }
- glistcnt--;
- ast_mutex_unlock(&h263_lock);
- ast_update_use_count();
- fclose(s->f);
- free(s);
- s = NULL;
-}
-
-static struct ast_frame *h263_read(struct ast_filestream *s, int *whennext)
-{
- int res;
- int mark=0;
- unsigned short len;
- unsigned int ts;
- /* Send a frame from the file to the appropriate channel */
- s->fr.frametype = AST_FRAME_VIDEO;
- s->fr.subclass = AST_FORMAT_H263;
- s->fr.offset = AST_FRIENDLY_OFFSET;
- s->fr.mallocd = 0;
- s->fr.data = s->h263;
- if ((res = fread(&len, 1, sizeof(len), s->f)) < 1) {
- return NULL;
- }
- len = ntohs(len);
- if (len & 0x8000) {
- mark = 1;
- }
- len &= 0x7fff;
- if (len > sizeof(s->h263)) {
- ast_log(LOG_WARNING, "Length %d is too long\n", len);
- }
- if ((res = fread(s->h263, 1, len, s->f)) != len) {
- if (res)
- ast_log(LOG_WARNING, "Short read (%d) (%s)!\n", res, strerror(errno));
- return NULL;
- }
- s->fr.samples = s->lastts;
- s->fr.datalen = len;
- s->fr.subclass |= mark;
- s->fr.delivery.tv_sec = 0;
- s->fr.delivery.tv_usec = 0;
- if ((res = fread(&ts, 1, sizeof(ts), s->f)) == sizeof(ts)) {
- s->lastts = ntohl(ts);
- *whennext = s->lastts * 4/45;
- } else
- *whennext = 0;
- return &s->fr;
-}
-
-static int h263_write(struct ast_filestream *fs, struct ast_frame *f)
-{
- int res;
- unsigned int ts;
- unsigned short len;
- int subclass;
- int mark=0;
- if (f->frametype != AST_FRAME_VIDEO) {
- ast_log(LOG_WARNING, "Asked to write non-video frame!\n");
- return -1;
- }
- subclass = f->subclass;
- if (subclass & 0x1)
- mark=0x8000;
- subclass &= ~0x1;
- if (subclass != AST_FORMAT_H263) {
- ast_log(LOG_WARNING, "Asked to write non-h263 frame (%d)!\n", f->subclass);
- return -1;
- }
- ts = htonl(f->samples);
- if ((res = fwrite(&ts, 1, sizeof(ts), fs->f)) != sizeof(ts)) {
- ast_log(LOG_WARNING, "Bad write (%d/4): %s\n", res, strerror(errno));
- return -1;
- }
- len = htons(f->datalen | mark);
- if ((res = fwrite(&len, 1, sizeof(len), fs->f)) != sizeof(len)) {
- ast_log(LOG_WARNING, "Bad write (%d/2): %s\n", res, strerror(errno));
- 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;
- }
- return 0;
-}
-
-static char *h263_getcomment(struct ast_filestream *s)
-{
- return NULL;
-}
-
-static int h263_seek(struct ast_filestream *fs, long sample_offset, int whence)
-{
- /* No way Jose */
- return -1;
-}
-
-static int h263_trunc(struct ast_filestream *fs)
-{
- /* Truncate file to current length */
- if (ftruncate(fileno(fs->f), ftell(fs->f)) < 0)
- return -1;
- return 0;
-}
-
-static long h263_tell(struct ast_filestream *fs)
-{
- /* XXX This is totally bogus XXX */
- off_t offset;
- offset = ftell(fs->f);
- return (offset/20)*160;
-}
-
-int load_module()
-{
- return ast_format_register(name, exts, AST_FORMAT_H263,
- h263_open,
- h263_rewrite,
- h263_write,
- h263_seek,
- h263_trunc,
- h263_tell,
- h263_read,
- h263_close,
- h263_getcomment);
-
-
-}
-
-int unload_module()
-{
- return ast_format_unregister(name);
-}
-
-int usecount()
-{
- return glistcnt;
-}
-
-char *description()
-{
- return desc;
-}
-
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-27 18:29:30 +0000