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1 /* Copyright (c) 2007-2008 CSIRO
2    Copyright (c) 2007-2009 Xiph.Org Foundation
3    Written by Jean-Marc Valin */
4 /*
5    Redistribution and use in source and binary forms, with or without
6    modification, are permitted provided that the following conditions
7    are met:
8 
9    - Redistributions of source code must retain the above copyright
10    notice, this list of conditions and the following disclaimer.
11 
12    - Redistributions in binary form must reproduce the above copyright
13    notice, this list of conditions and the following disclaimer in the
14    documentation and/or other materials provided with the distribution.
15 
16    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
20    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
24    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
25    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28 
29 #ifdef HAVE_CONFIG_H
30 #include "config.h"
31 #endif
32 
33 #include "opus_custom.h"
34 #include "arch.h"
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <math.h>
38 #include <string.h>
39 
40 #define MAX_PACKET 1275
41 
main(int argc,char * argv[])42 int main(int argc, char *argv[])
43 {
44    int err;
45    char *inFile, *outFile;
46    FILE *fin, *fout;
47    OpusCustomMode *mode=NULL;
48    OpusCustomEncoder *enc;
49    OpusCustomDecoder *dec;
50    int len;
51    opus_int32 frame_size, channels, rate;
52    int bytes_per_packet;
53    unsigned char data[MAX_PACKET];
54    int complexity;
55 #if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
56    int i;
57    double rmsd = 0;
58 #endif
59    int count = 0;
60    opus_int32 skip;
61    opus_int16 *in, *out;
62    if (argc != 9 && argc != 8 && argc != 7)
63    {
64       fprintf (stderr, "Usage: test_opus_custom <rate> <channels> <frame size> "
65                " <bytes per packet> [<complexity> [packet loss rate]] "
66                "<input> <output>\n");
67       return 1;
68    }
69 
70    rate = (opus_int32)atol(argv[1]);
71    channels = atoi(argv[2]);
72    frame_size = atoi(argv[3]);
73    mode = opus_custom_mode_create(rate, frame_size, NULL);
74    if (mode == NULL)
75    {
76       fprintf(stderr, "failed to create a mode\n");
77       return 1;
78    }
79 
80    bytes_per_packet = atoi(argv[4]);
81    if (bytes_per_packet < 0 || bytes_per_packet > MAX_PACKET)
82    {
83       fprintf (stderr, "bytes per packet must be between 0 and %d\n",
84                         MAX_PACKET);
85       return 1;
86    }
87 
88    inFile = argv[argc-2];
89    fin = fopen(inFile, "rb");
90    if (!fin)
91    {
92       fprintf (stderr, "Could not open input file %s\n", argv[argc-2]);
93       return 1;
94    }
95    outFile = argv[argc-1];
96    fout = fopen(outFile, "wb+");
97    if (!fout)
98    {
99       fprintf (stderr, "Could not open output file %s\n", argv[argc-1]);
100       fclose(fin);
101       return 1;
102    }
103 
104    enc = opus_custom_encoder_create(mode, channels, &err);
105    if (err != 0)
106    {
107       fprintf(stderr, "Failed to create the encoder: %s\n", opus_strerror(err));
108       fclose(fin);
109       fclose(fout);
110       return 1;
111    }
112    dec = opus_custom_decoder_create(mode, channels, &err);
113    if (err != 0)
114    {
115       fprintf(stderr, "Failed to create the decoder: %s\n", opus_strerror(err));
116       fclose(fin);
117       fclose(fout);
118       return 1;
119    }
120    opus_custom_decoder_ctl(dec, OPUS_GET_LOOKAHEAD(&skip));
121 
122    if (argc>7)
123    {
124       complexity=atoi(argv[5]);
125       opus_custom_encoder_ctl(enc,OPUS_SET_COMPLEXITY(complexity));
126    }
127 
128    in = (opus_int16*)malloc(frame_size*channels*sizeof(opus_int16));
129    out = (opus_int16*)malloc(frame_size*channels*sizeof(opus_int16));
130 
131    while (!feof(fin))
132    {
133       int ret;
134       err = fread(in, sizeof(short), frame_size*channels, fin);
135       if (feof(fin))
136          break;
137       len = opus_custom_encode(enc, in, frame_size, data, bytes_per_packet);
138       if (len <= 0)
139          fprintf (stderr, "opus_custom_encode() failed: %s\n", opus_strerror(len));
140 
141       /* This is for simulating bit errors */
142 #if 0
143       int errors = 0;
144       int eid = 0;
145       /* This simulates random bit error */
146       for (i=0;i<len*8;i++)
147       {
148          if (rand()%atoi(argv[8])==0)
149          {
150             if (i<64)
151             {
152                errors++;
153                eid = i;
154             }
155             data[i/8] ^= 1<<(7-(i%8));
156          }
157       }
158       if (errors == 1)
159          data[eid/8] ^= 1<<(7-(eid%8));
160       else if (errors%2 == 1)
161          data[rand()%8] ^= 1<<rand()%8;
162 #endif
163 
164 #if 1 /* Set to zero to use the encoder's output instead */
165       /* This is to simulate packet loss */
166       if (argc==9 && rand()%1000<atoi(argv[argc-3]))
167       /*if (errors && (errors%2==0))*/
168          ret = opus_custom_decode(dec, NULL, len, out, frame_size);
169       else
170          ret = opus_custom_decode(dec, data, len, out, frame_size);
171       if (ret < 0)
172          fprintf(stderr, "opus_custom_decode() failed: %s\n", opus_strerror(ret));
173 #else
174       for (i=0;i<ret*channels;i++)
175          out[i] = in[i];
176 #endif
177 #if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
178       for (i=0;i<ret*channels;i++)
179       {
180          rmsd += (in[i]-out[i])*1.0*(in[i]-out[i]);
181          /*out[i] -= in[i];*/
182       }
183 #endif
184       count++;
185       fwrite(out+skip*channels, sizeof(short), (ret-skip)*channels, fout);
186       skip = 0;
187    }
188    PRINT_MIPS(stderr);
189 
190    opus_custom_encoder_destroy(enc);
191    opus_custom_decoder_destroy(dec);
192    fclose(fin);
193    fclose(fout);
194    opus_custom_mode_destroy(mode);
195    free(in);
196    free(out);
197 #if !(defined (FIXED_POINT) && !defined(CUSTOM_MODES)) && defined(RESYNTH)
198    if (rmsd > 0)
199    {
200       rmsd = sqrt(rmsd/(1.0*frame_size*channels*count));
201       fprintf (stderr, "Error: encoder doesn't match decoder\n");
202       fprintf (stderr, "RMS mismatch is %f\n", rmsd);
203       return 1;
204    } else {
205       fprintf (stderr, "Encoder matches decoder!!\n");
206    }
207 #endif
208    return 0;
209 }
210 
211