** **
\*****************************************************************************/
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <errno.h>
#include "main.h"
/*
struct fmt {
unsigned short stereo; /* 1 = pcm, 2 = adpcm */
unsigned short channels; /* number of channels */
- unsigned long sample_rate; /* sample rate */
- unsigned long data_rate; /* data rate */
+ unsigned int sample_rate; /* sample rate */
+ unsigned int data_rate; /* data rate */
unsigned short bytes_sample; /* bytes per sample (all channels) */
unsigned short bits_sample; /* bits per sample (one channel) */
};
-int open_tone(char *file, int *codec, signed long *length, signed long *left)
+int open_tone(char *file, int *codec, signed int *length, signed int *left)
{
int fh;
char filename[256];
unsigned char buffer[256];
struct fmt *fmt;
int channels, bytes;
- unsigned long size, chunk;
+ unsigned int size, chunk;
int gotfmt = 0;
struct stat _stat;
int linksize;
read(fh, buffer, 8);
chunk=(buffer[4]) + (buffer[5]<<8) + (buffer[6]<<16) + (buffer[7]<<24);
size -= (8+chunk);
-// printf("%c%c%c%c lenght=%d\n",buffer[0],buffer[1],buffer[2],buffer[3],chunk);
+// printf("%c%c%c%c length=%d\n",buffer[0],buffer[1],buffer[2],buffer[3],chunk);
if (size < 0)
{
close(fh);
}
if (!strncmp((char *)buffer, "fmt ", 4))
{
- if (chunk != 16)
+ if (chunk < 16)
{
close(fh);
errno = 0;
if (codec)
*codec = CODEC_MONO;
if (length)
- *length = ((signed long)chunk)>>1;
+ *length = ((signed int)chunk)>>1;
if (left)
- *left = ((signed long)chunk)>>1;
+ *left = ((signed int)chunk)>>1;
+// printf("left=%d\n",*left);
} else
if (bytes==2 && channels==2)
{
if (codec)
*codec = CODEC_STEREO;
if (length)
- *length = ((signed long)chunk)>>2;
+ *length = ((signed int)chunk)>>2;
if (left)
- *left = ((signed long)chunk)>>2;
+ *left = ((signed int)chunk)>>2;
} else
if (bytes==1 && channels==1)
{
if (codec)
*codec = CODEC_8BIT;
if (length)
- *length = (signed long)chunk;
+ *length = (signed int)chunk;
if (left)
- *left = (signed long)chunk;
+ *left = (signed int)chunk;
} else
{
close(fh);
/*
* read from tone, check size
* the len must be the number of samples, NOT for the bytes to read!!
+ * the data returned is law-code
*/
-int read_tone(int fh, void *buffer, int codec, int len, signed long size, signed long *left, int speed)
+int read_tone(int fh, unsigned char *buffer, int codec, int len, signed int size, signed int *left, int speed)
{
int l;
int offset;
+ signed short buffer16[len], *buf16 = buffer16;
+ signed short buffer32[len<<1], *buf32 = buffer32;
+ unsigned char buffer8[len], *buf8 = buffer8;
+ signed int sample;
+ int i = 0;
//printf("left=%ld\n",*left);
/* if no *left is given (law has unknown length) */
break;
case CODEC_MONO:
- l = read(fh, buffer, len<<1); /* as is */
- if (l>0)
- l = l>>1;
+ l = read(fh, buf16, len<<1);
+ if (l>0)
+ {
+ l = l>>1;
+ while(i < l)
+ {
+ sample = *buf16++;
+ if (sample < -32767)
+ sample = -32767;
+ if (sample > 32767)
+ sample = 32767;
+ *buffer++ = audio_s16_to_law[sample & 0xffff];
+ i++;
+ }
+ }
break;
case CODEC_STEREO:
{
- signed short buffer32[len<<1], *buf32 = buffer32;
- signed short *buf16 = (signed short *)buffer;
- signed long sample;
- int i = 0;
l = read(fh, buf32, len<<2);
if (l>0)
{
sample = -32767;
if (sample > 32767)
sample = 32767;
- *buf16++ = sample;
+ *buffer++ = audio_s16_to_law[sample & 0xffff];
i++;
}
}
case CODEC_8BIT:
{
- unsigned char buffer8[len], *buf8 = buffer8;
- signed short *buf16 = (signed short *)buffer;
- int i = 0;
l = read(fh, buf8, len);
if (l>0)
{
while(i < l)
{
- *buf16++ = (((*buf8++) << 8) - 0x8000) & 0xffff;
+ *buffer++ = audio_s16_to_law[(((*buf8++)<<8)-0x8000) & 0xffff];
i++;
}
}
break;
default:
- PERROR("codec %d is not specified or supported, exitting...\n", codec);
- exit(-1);
+ FATAL("codec %d is not supported.\n", codec);
}
if (l>0 && left)
{
temp = tonesettone_temp;
tonesettone_temp = tonesettone_temp->next;
- free(temp);
+ FREE(temp, sizeof(struct tonesettone));
memuse--;
}
temp = toneset_temp;
toneset_temp = toneset_temp->next;
- free(temp);
+ FREE(temp, sizeof(struct toneset));
memuse--;
}
toneset_first = NULL;
char filename[256], name[256];
int fh;
int tone_codec;
- signed long tone_size, tone_left, real_size;
- unsigned long memory = 0;
+ signed int tone_size, tone_left;
+ unsigned int memory = 0;
int samples = 0;
/* if disabled */
printf("PBX: Fetching tones '%s'\n", p);
PDEBUG(DEBUG_PORT, "fetching tones directory '%s'\n", p);
- *toneset_nextpointer = (struct toneset *)calloc(1, sizeof(struct toneset));
- if (*toneset_nextpointer == NULL)
- {
- PERROR("No memory for tone set: '%s'\n",p);
- return(0);
- }
+ *toneset_nextpointer = (struct toneset *)MALLOC(sizeof(struct toneset));
memuse++;
memory += sizeof(struct toneset);
- memset(*toneset_nextpointer, 0 , sizeof(struct toneset));
SCPY((*toneset_nextpointer)->directory, p);
tonesettone_nextpointer = &(*toneset_nextpointer)->first;
continue;
}
- /* real size */
- switch(tone_codec)
- {
- case CODEC_LAW:
- real_size = tone_size;
- break;
-
- case CODEC_MONO:
- real_size = tone_size << 1;
- break;
-
- case CODEC_STEREO:
- real_size = tone_size << 1;
- break;
-
- case CODEC_8BIT:
- real_size = tone_size << 1;
- break;
-
- default:
- PERROR("codec %d is not specified or supported, exitting...\n", tone_codec);
- exit(-1);
- }
-
- /* allocate tone */
- *tonesettone_nextpointer = (struct tonesettone *)calloc(1, sizeof(struct tonesettone)+real_size);
- if (*toneset_nextpointer == NULL)
- {
- PERROR("No memory for tone set: '%s'\n",p);
- close(fh);
- fduse--;
- return(0);
- }
+ /* Allocate tone */
+ *tonesettone_nextpointer = (struct tonesettone *)MALLOC(sizeof(struct tonesettone)+tone_size);
memuse++;
//printf("tone:%s, %ld bytes\n", name, tone_size);
- memset(*tonesettone_nextpointer, 0 , sizeof(struct tonesettone)+real_size);
- memory += sizeof(struct tonesettone)+real_size;
+ memory += sizeof(struct tonesettone)+tone_size;
samples ++;
/* load tone */
/*
* opens the fetched tone (if available)
*/
-void *open_tone_fetched(char *dir, char *file, int *codec, signed long *length, signed long *left)
+void *open_tone_fetched(char *dir, char *file, int *codec, signed int *length, signed int *left)
{
struct toneset *toneset;
struct tonesettone *tonesettone;
* read from fetched tone, check size
* the len must be the number of samples, NOT for the bytes to read!!
*/
-int read_tone_fetched(void **fetched, void *buffer, int codec, int len, signed long size, signed long *left, int speed)
+int read_tone_fetched(void **fetched, void *buffer, int len, signed int size, signed int *left, int speed)
{
int l;
//printf("left=%ld\n",*left);
if (*left < len)
len = *left;
- switch(codec)
- {
- case CODEC_LAW:
- memcpy(buffer, *fetched, len);
- *((char **)fetched) += len;
- l = len;
- break;
- case CODEC_MONO:
- memcpy(buffer, *fetched, len<<1);
- *((char **)fetched) += len<<1;
- l = len;
- break;
-
- default:
- PERROR("codec %d is not specified or supported, exitting...\n", codec);
- exit(-1);
- }
+ memcpy(buffer, *fetched, len);
+ *((char **)fetched) += len;
+ l = len;
if (l>0 && left)
*left -= l;
projects / lcr.git / blobdiff