Alexandre Lision | 744f742 | 2013-09-25 11:39:37 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2011 Xiph.Org Foundation |
| 2 | Written by Jean-Marc Valin */ |
| 3 | /* |
| 4 | Redistribution and use in source and binary forms, with or without |
| 5 | modification, are permitted provided that the following conditions |
| 6 | are met: |
| 7 | |
| 8 | - Redistributions of source code must retain the above copyright |
| 9 | notice, this list of conditions and the following disclaimer. |
| 10 | |
| 11 | - Redistributions in binary form must reproduce the above copyright |
| 12 | notice, this list of conditions and the following disclaimer in the |
| 13 | documentation and/or other materials provided with the distribution. |
| 14 | |
| 15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 16 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 17 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 18 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| 19 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 20 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 22 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 23 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 24 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include "opus.h" |
| 33 | #include <stdio.h> |
| 34 | #include <stdlib.h> |
| 35 | #include <string.h> |
| 36 | |
| 37 | #define MAX_PACKETOUT 32000 |
| 38 | |
| 39 | void usage(char *argv0) |
| 40 | { |
| 41 | fprintf(stderr, "usage: %s [options] input_file output_file\n", argv0); |
| 42 | } |
| 43 | |
| 44 | static void int_to_char(opus_uint32 i, unsigned char ch[4]) |
| 45 | { |
| 46 | ch[0] = i>>24; |
| 47 | ch[1] = (i>>16)&0xFF; |
| 48 | ch[2] = (i>>8)&0xFF; |
| 49 | ch[3] = i&0xFF; |
| 50 | } |
| 51 | |
| 52 | static opus_uint32 char_to_int(unsigned char ch[4]) |
| 53 | { |
| 54 | return ((opus_uint32)ch[0]<<24) | ((opus_uint32)ch[1]<<16) |
| 55 | | ((opus_uint32)ch[2]<< 8) | (opus_uint32)ch[3]; |
| 56 | } |
| 57 | |
| 58 | int main(int argc, char *argv[]) |
| 59 | { |
| 60 | int i, eof=0; |
| 61 | FILE *fin, *fout; |
| 62 | unsigned char packets[48][1500]; |
| 63 | int len[48]; |
| 64 | int rng[48]; |
| 65 | OpusRepacketizer *rp; |
| 66 | unsigned char output_packet[MAX_PACKETOUT]; |
| 67 | int merge = 1, split=0; |
| 68 | |
| 69 | if (argc < 3) |
| 70 | { |
| 71 | usage(argv[0]); |
| 72 | return EXIT_FAILURE; |
| 73 | } |
| 74 | for (i=1;i<argc-2;i++) |
| 75 | { |
| 76 | if (strcmp(argv[i], "-merge")==0) |
| 77 | { |
| 78 | merge = atoi(argv[i+1]); |
| 79 | if(merge<1) |
| 80 | { |
| 81 | fprintf(stderr, "-merge parameter must be at least 1.\n"); |
| 82 | return EXIT_FAILURE; |
| 83 | } |
| 84 | i++; |
| 85 | } else if (strcmp(argv[i], "-split")==0) |
| 86 | split = 1; |
| 87 | else |
| 88 | { |
| 89 | fprintf(stderr, "Unknown option: %s\n", argv[i]); |
| 90 | usage(argv[0]); |
| 91 | return EXIT_FAILURE; |
| 92 | } |
| 93 | } |
| 94 | fin = fopen(argv[argc-2], "r"); |
| 95 | if(fin==NULL) |
| 96 | { |
| 97 | fprintf(stderr, "Error opening input file: %s\n", argv[argc-2]); |
| 98 | return EXIT_FAILURE; |
| 99 | } |
| 100 | fout = fopen(argv[argc-1], "w"); |
| 101 | if(fout==NULL) |
| 102 | { |
| 103 | fprintf(stderr, "Error opening output file: %s\n", argv[argc-1]); |
| 104 | fclose(fin); |
| 105 | return EXIT_FAILURE; |
| 106 | } |
| 107 | |
| 108 | rp = opus_repacketizer_create(); |
| 109 | while (!eof) |
| 110 | { |
| 111 | int err; |
| 112 | int nb_packets=merge; |
| 113 | opus_repacketizer_init(rp); |
| 114 | for (i=0;i<nb_packets;i++) |
| 115 | { |
| 116 | unsigned char ch[4]; |
| 117 | err = fread(ch, 1, 4, fin); |
| 118 | len[i] = char_to_int(ch); |
| 119 | /*fprintf(stderr, "in len = %d\n", len[i]);*/ |
| 120 | if (len[i]>1500 || len[i]<0) |
| 121 | { |
| 122 | if (feof(fin)) |
| 123 | { |
| 124 | eof = 1; |
| 125 | } else { |
| 126 | fprintf(stderr, "Invalid payload length\n"); |
| 127 | fclose(fin); |
| 128 | fclose(fout); |
| 129 | return EXIT_FAILURE; |
| 130 | } |
| 131 | break; |
| 132 | } |
| 133 | err = fread(ch, 1, 4, fin); |
| 134 | rng[i] = char_to_int(ch); |
| 135 | err = fread(packets[i], 1, len[i], fin); |
| 136 | if (feof(fin)) |
| 137 | { |
| 138 | eof = 1; |
| 139 | break; |
| 140 | } |
| 141 | err = opus_repacketizer_cat(rp, packets[i], len[i]); |
| 142 | if (err!=OPUS_OK) |
| 143 | { |
| 144 | fprintf(stderr, "opus_repacketizer_cat() failed: %s\n", opus_strerror(err)); |
| 145 | break; |
| 146 | } |
| 147 | } |
| 148 | nb_packets = i; |
| 149 | |
| 150 | if (eof) |
| 151 | break; |
| 152 | |
| 153 | if (!split) |
| 154 | { |
| 155 | err = opus_repacketizer_out(rp, output_packet, MAX_PACKETOUT); |
| 156 | if (err>0) { |
| 157 | unsigned char int_field[4]; |
| 158 | int_to_char(err, int_field); |
| 159 | if(fwrite(int_field, 1, 4, fout)!=4){ |
| 160 | fprintf(stderr, "Error writing.\n"); |
| 161 | return EXIT_FAILURE; |
| 162 | } |
| 163 | int_to_char(rng[nb_packets-1], int_field); |
| 164 | if (fwrite(int_field, 1, 4, fout)!=4) { |
| 165 | fprintf(stderr, "Error writing.\n"); |
| 166 | return EXIT_FAILURE; |
| 167 | } |
| 168 | if (fwrite(output_packet, 1, err, fout)!=(unsigned)err) { |
| 169 | fprintf(stderr, "Error writing.\n"); |
| 170 | return EXIT_FAILURE; |
| 171 | } |
| 172 | /*fprintf(stderr, "out len = %d\n", err);*/ |
| 173 | } else { |
| 174 | fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err)); |
| 175 | } |
| 176 | } else { |
| 177 | int nb_frames = opus_repacketizer_get_nb_frames(rp); |
| 178 | for (i=0;i<nb_frames;i++) |
| 179 | { |
| 180 | err = opus_repacketizer_out_range(rp, i, i+1, output_packet, MAX_PACKETOUT); |
| 181 | if (err>0) { |
| 182 | unsigned char int_field[4]; |
| 183 | int_to_char(err, int_field); |
| 184 | if (fwrite(int_field, 1, 4, fout)!=4) { |
| 185 | fprintf(stderr, "Error writing.\n"); |
| 186 | return EXIT_FAILURE; |
| 187 | } |
| 188 | if (i==nb_frames-1) |
| 189 | int_to_char(rng[nb_packets-1], int_field); |
| 190 | else |
| 191 | int_to_char(0, int_field); |
| 192 | if (fwrite(int_field, 1, 4, fout)!=4) { |
| 193 | fprintf(stderr, "Error writing.\n"); |
| 194 | return EXIT_FAILURE; |
| 195 | } |
| 196 | if (fwrite(output_packet, 1, err, fout)!=(unsigned)err) { |
| 197 | fprintf(stderr, "Error writing.\n"); |
| 198 | return EXIT_FAILURE; |
| 199 | } |
| 200 | /*fprintf(stderr, "out len = %d\n", err);*/ |
| 201 | } else { |
| 202 | fprintf(stderr, "opus_repacketizer_out() failed: %s\n", opus_strerror(err)); |
| 203 | } |
| 204 | |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | fclose(fin); |
| 210 | fclose(fout); |
| 211 | return EXIT_SUCCESS; |
| 212 | } |