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Version 0.1.2 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@198 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2000-01-07 10:54:40 +00:00
parent 9440db13f4
commit 5800db6556
6 changed files with 208 additions and 957 deletions
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102
frame.c
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@@ -13,7 +13,9 @@
#include <asterisk/frame.h>
#include <asterisk/logger.h>
#include <asterisk/options.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
/*
@@ -74,16 +76,106 @@ struct ast_frame *ast_frisolate(struct ast_frame *fr)
} else
out->src = fr->src;
if (!(fr->mallocd & AST_MALLOCD_DATA)) {
out->data = malloc(fr->datalen + fr->offset);
out->data += fr->offset;
out->offset = fr->offset;
out->datalen = fr->datalen;
memcpy(out->data, fr->data, fr->datalen);
out->data = malloc(fr->datalen + AST_FRIENDLY_OFFSET);
if (!out->data) {
free(out);
ast_log(LOG_WARNING, "Out of memory\n");
return NULL;
}
out->data += AST_FRIENDLY_OFFSET;
out->offset = AST_FRIENDLY_OFFSET;
out->datalen = fr->datalen;
memcpy(out->data, fr->data, fr->datalen);
}
out->mallocd = AST_MALLOCD_HDR | AST_MALLOCD_SRC | AST_MALLOCD_DATA;
return out;
}
struct ast_frame *ast_frdup(struct ast_frame *f)
{
struct ast_frame *ret;
int p;
p = f->mallocd;
f->mallocd = 0;
/* Make frisolate think this is a 100% static frame, and make a duplicate */
ret = ast_frisolate(f);
/* Restore its true malloc status */
f->mallocd = p;
return ret;
}
struct ast_frame *ast_fr_fdread(int fd)
{
char buf[4096];
int res;
struct ast_frame *f = (struct ast_frame *)buf;
/* Read a frame directly from there. They're always in the
right format. */
if (read(fd, buf, sizeof(struct ast_frame))
== sizeof(struct ast_frame)) {
/* read the frame header */
f->mallocd = 0;
/* Re-write data position */
f->data = buf + sizeof(struct ast_frame);
f->offset = 0;
/* Forget about being mallocd */
f->mallocd = 0;
/* Re-write the source */
f->src = __FUNCTION__;
if (f->datalen > sizeof(buf) - sizeof(struct ast_frame)) {
/* Really bad read */
ast_log(LOG_WARNING, "Strange read (%d bytes)\n", f->datalen);
return NULL;
}
if (f->datalen) {
if ((res = read(fd, f->data, f->datalen)) != f->datalen) {
/* Bad read */
ast_log(LOG_WARNING, "How very strange, expected %d, got %d\n", f->datalen, res);
return NULL;
}
}
return ast_frisolate(f);
} else if (option_debug)
ast_log(LOG_DEBUG, "NULL or invalid header\n");
/* Null if there was an error */
return NULL;
}
/* Some convenient routines for sending frames to/from stream or datagram
sockets, pipes, etc (maybe even files) */
int ast_fr_fdwrite(int fd, struct ast_frame *frame)
{
/* Write the frame exactly */
if (write(fd, frame, sizeof(struct ast_frame)) != sizeof(struct ast_frame)) {
ast_log(LOG_WARNING, "Write error\n");
return -1;
}
if (write(fd, frame->data, frame->datalen) != frame->datalen) {
ast_log(LOG_WARNING, "Write error\n");
return -1;
}
return 0;
}
int ast_getformatbyname(char *name)
{
if (!strcasecmp(name, "g723.1"))
return AST_FORMAT_G723_1;
else if (!strcasecmp(name, "gsm"))
return AST_FORMAT_GSM;
else if (!strcasecmp(name, "ulaw"))
return AST_FORMAT_ULAW;
else if (!strcasecmp(name, "alaw"))
return AST_FORMAT_ALAW;
else if (!strcasecmp(name, "mp3"))
return AST_FORMAT_MP3;
else if (!strcasecmp(name, "slinear"))
return AST_FORMAT_SLINEAR;
else if (!strcasecmp(name, "lpc10"))
return AST_FORMAT_LPC10;
else if (!strcasecmp(name, "all"))
return 0x7FFFFFFF;
return 0;
}