218 lines
6.5 KiB
C
218 lines
6.5 KiB
C
/* Copyright (c) 2011 Xiph.Org Foundation
|
|
Written by Jean-Marc Valin */
|
|
/*
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
- Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
|
|
- Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in the
|
|
documentation and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
|
|
OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifdef OPUS_HAVE_CONFIG_H
|
|
#include "opus_config.h"
|
|
#endif
|
|
|
|
#include "opus.h"
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define MAX_PACKETOUT 32000
|
|
|
|
void usage(char *argv0)
|
|
{
|
|
fprintf(stderr, "usage: %s [options] input_file output_file\n", argv0);
|
|
}
|
|
|
|
static void int_to_char(opus_uint32 i, unsigned char ch[4])
|
|
{
|
|
ch[0] = i>>24;
|
|
ch[1] = (i>>16)&0xFF;
|
|
ch[2] = (i>>8)&0xFF;
|
|
ch[3] = i&0xFF;
|
|
}
|
|
|
|
static opus_uint32 char_to_int(unsigned char ch[4])
|
|
{
|
|
return ((opus_uint32)ch[0]<<24) | ((opus_uint32)ch[1]<<16)
|
|
| ((opus_uint32)ch[2]<< 8) | (opus_uint32)ch[3];
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i, eof=0;
|
|
FILE *fin, *fout;
|
|
unsigned char packets[48][1500];
|
|
int len[48];
|
|
int rng[48];
|
|
OpusRepacketizer *rp;
|
|
unsigned char output_packet[MAX_PACKETOUT];
|
|
int merge = 1, split=0;
|
|
|
|
if (argc < 3)
|
|
{
|
|
usage(argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
for (i=1;i<argc-2;i++)
|
|
{
|
|
if (strcmp(argv[i], "-merge")==0)
|
|
{
|
|
merge = atoi(argv[i+1]);
|
|
if(merge<1)
|
|
{
|
|
fprintf(stderr, "-merge parameter must be at least 1.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if(merge>48)
|
|
{
|
|
fprintf(stderr, "-merge parameter must be less than 48.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
i++;
|
|
} else if (strcmp(argv[i], "-split")==0)
|
|
split = 1;
|
|
else
|
|
{
|
|
fprintf(stderr, "Unknown option: %s\n", argv[i]);
|
|
usage(argv[0]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
fin = fopen(argv[argc-2], "r");
|
|
if(fin==NULL)
|
|
{
|
|
fprintf(stderr, "Error opening input file: %s\n", argv[argc-2]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
fout = fopen(argv[argc-1], "w");
|
|
if(fout==NULL)
|
|
{
|
|
fprintf(stderr, "Error opening output file: %s\n", argv[argc-1]);
|
|
fclose(fin);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
rp = opus_repacketizer_create();
|
|
while (!eof)
|
|
{
|
|
int err;
|
|
int nb_packets=merge;
|
|
opus_repacketizer_init(rp);
|
|
for (i=0;i<nb_packets;i++)
|
|
{
|
|
unsigned char ch[4];
|
|
err = fread(ch, 1, 4, fin);
|
|
len[i] = char_to_int(ch);
|
|
/*fprintf(stderr, "in len = %d\n", len[i]);*/
|
|
if (len[i]>1500 || len[i]<0)
|
|
{
|
|
if (feof(fin))
|
|
{
|
|
eof = 1;
|
|
} else {
|
|
fprintf(stderr, "Invalid payload length\n");
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_FAILURE;
|
|
}
|
|
break;
|
|
}
|
|
err = fread(ch, 1, 4, fin);
|
|
rng[i] = char_to_int(ch);
|
|
err = fread(packets[i], 1, len[i], fin);
|
|
if (feof(fin))
|
|
{
|
|
eof = 1;
|
|
break;
|
|
}
|
|
err = opus_repacketizer_cat(rp, packets[i], len[i]);
|
|
if (err!=OPUS_OK)
|
|
{
|
|
fprintf(stderr, "opus_repacketizer_cat() failed: %s\n", opus_strerror(err));
|
|
break;
|
|
}
|
|
}
|
|
nb_packets = i;
|
|
|
|
if (eof)
|
|
break;
|
|
|
|
if (!split)
|
|
{
|
|
err = opus_repacketizer_out(rp, output_packet, MAX_PACKETOUT);
|
|
if (err>0) {
|
|
unsigned char int_field[4];
|
|
int_to_char(err, int_field);
|
|
if(fwrite(int_field, 1, 4, fout)!=4){
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
int_to_char(rng[nb_packets-1], int_field);
|
|
if (fwrite(int_field, 1, 4, fout)!=4) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (fwrite(output_packet, 1, err, fout)!=(unsigned)err) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
/*fprintf(stderr, "out len = %d\n", err);*/
|
|
} else {
|
|
fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err));
|
|
}
|
|
} else {
|
|
int nb_frames = opus_repacketizer_get_nb_frames(rp);
|
|
for (i=0;i<nb_frames;i++)
|
|
{
|
|
err = opus_repacketizer_out_range(rp, i, i+1, output_packet, MAX_PACKETOUT);
|
|
if (err>0) {
|
|
unsigned char int_field[4];
|
|
int_to_char(err, int_field);
|
|
if (fwrite(int_field, 1, 4, fout)!=4) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (i==nb_frames-1)
|
|
int_to_char(rng[nb_packets-1], int_field);
|
|
else
|
|
int_to_char(0, int_field);
|
|
if (fwrite(int_field, 1, 4, fout)!=4) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if (fwrite(output_packet, 1, err, fout)!=(unsigned)err) {
|
|
fprintf(stderr, "Error writing.\n");
|
|
return EXIT_FAILURE;
|
|
}
|
|
/*fprintf(stderr, "out len = %d\n", err);*/
|
|
} else {
|
|
fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err));
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fin);
|
|
fclose(fout);
|
|
return EXIT_SUCCESS;
|
|
}
|