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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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22 | 22 |
23 /* Runtime statistics */ | 23 /* Runtime statistics */ |
24 #include <time.h> | 24 #include <time.h> |
25 #define CLOCKS_PER_SEC_G722 100000 | 25 #define CLOCKS_PER_SEC_G722 100000 |
26 | 26 |
27 // Forward declaration | 27 // Forward declaration |
28 typedef struct WebRtcG722EncInst G722EncInst; | 28 typedef struct WebRtcG722EncInst G722EncInst; |
29 typedef struct WebRtcG722DecInst G722DecInst; | 29 typedef struct WebRtcG722DecInst G722DecInst; |
30 | 30 |
31 /* function for reading audio data from PCM file */ | 31 /* function for reading audio data from PCM file */ |
32 int readframe(int16_t *data, FILE *inp, int length) | 32 bool readframe(int16_t *data, FILE *inp, int length) |
33 { | 33 { |
34 short k, rlen, status = 0; | 34 short rlen = (short)fread(data, sizeof(int16_t), length, inp); |
35 | 35 if (rlen >= length) |
36 rlen = (short)fread(data, sizeof(int16_t), length, inp); | 36 return false; |
37 if (rlen < length) { | 37 memset(data + rlen, 0, (length - rlen) * sizeof(int16_t)); |
38 for (k = rlen; k < length; k++) | 38 return true; |
39 data[k] = 0; | |
40 status = 1; | |
41 } | |
42 | |
43 return status; | |
44 } | 39 } |
45 | 40 |
46 int main(int argc, char* argv[]) | 41 int main(int argc, char* argv[]) |
47 { | 42 { |
48 char inname[60], outbit[40], outname[40]; | 43 char inname[60], outbit[40], outname[40]; |
49 FILE *inp, *outbitp, *outp; | 44 FILE *inp, *outbitp, *outp; |
50 | 45 |
51 int framecnt, endfile; | 46 int framecnt; |
| 47 bool endfile; |
52 int16_t framelength = 160; | 48 int16_t framelength = 160; |
53 G722EncInst *G722enc_inst; | 49 G722EncInst *G722enc_inst; |
54 G722DecInst *G722dec_inst; | 50 G722DecInst *G722dec_inst; |
55 int err; | 51 int err; |
56 | 52 |
57 /* Runtime statistics */ | 53 /* Runtime statistics */ |
58 double starttime; | 54 double starttime; |
59 double runtime = 0; | 55 double runtime = 0; |
60 double length_file; | 56 double length_file; |
61 | 57 |
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109 | 105 |
110 /* Create and init */ | 106 /* Create and init */ |
111 WebRtcG722_CreateEncoder((G722EncInst **)&G722enc_inst); | 107 WebRtcG722_CreateEncoder((G722EncInst **)&G722enc_inst); |
112 WebRtcG722_CreateDecoder((G722DecInst **)&G722dec_inst); | 108 WebRtcG722_CreateDecoder((G722DecInst **)&G722dec_inst); |
113 WebRtcG722_EncoderInit((G722EncInst *)G722enc_inst); | 109 WebRtcG722_EncoderInit((G722EncInst *)G722enc_inst); |
114 WebRtcG722_DecoderInit((G722DecInst *)G722dec_inst); | 110 WebRtcG722_DecoderInit((G722DecInst *)G722dec_inst); |
115 | 111 |
116 | 112 |
117 /* Initialize encoder and decoder */ | 113 /* Initialize encoder and decoder */ |
118 framecnt = 0; | 114 framecnt = 0; |
119 endfile = 0; | 115 endfile = false; |
120 while (endfile == 0) { | 116 while (!endfile) { |
121 framecnt++; | 117 framecnt++; |
122 | 118 |
123 /* Read speech block */ | 119 /* Read speech block */ |
124 endfile = readframe(shortdata, inp, framelength); | 120 endfile = readframe(shortdata, inp, framelength); |
125 | 121 |
126 /* Start clock before call to encoder and decoder */ | 122 /* Start clock before call to encoder and decoder */ |
127 starttime = clock()/(double)CLOCKS_PER_SEC_G722; | 123 starttime = clock()/(double)CLOCKS_PER_SEC_G722; |
128 | 124 |
129 /* G.722 encoding + decoding */ | 125 /* G.722 encoding + decoding */ |
130 stream_len = WebRtcG722_Encode((G722EncInst *)G722enc_inst, shortdata, f
ramelength, streamdata); | 126 stream_len = WebRtcG722_Encode((G722EncInst *)G722enc_inst, shortdata, f
ramelength, streamdata); |
131 err = WebRtcG722_Decode(G722dec_inst, streamdata, stream_len, decoded, | 127 err = WebRtcG722_Decode(G722dec_inst, streamdata, stream_len, decoded, |
132 speechType); | 128 speechType); |
133 | 129 |
134 /* Stop clock after call to encoder and decoder */ | 130 /* Stop clock after call to encoder and decoder */ |
135 runtime += (double)((clock()/(double)CLOCKS_PER_SEC_G722)-starttime); | 131 runtime += (double)((clock()/(double)CLOCKS_PER_SEC_G722)-starttime); |
136 | 132 |
137 if (stream_len < 0 || err < 0) { | 133 if (stream_len < 0 || err < 0) { |
138 /* exit if returned with error */ | 134 /* exit if returned with error */ |
139 printf("Error in encoder/decoder\n"); | 135 printf("Error in encoder/decoder\n"); |
140 } else { | 136 } else { |
141 /* Write coded bits to file */ | 137 /* Write coded bits to file */ |
142 if (fwrite(streamdata, sizeof(short), stream_len/2, | 138 if (fwrite(streamdata, sizeof(short), stream_len / 2, outbitp) != |
143 outbitp) != static_cast<size_t>(stream_len/2)) { | 139 static_cast<size_t>(stream_len / 2)) { |
144 return -1; | 140 return -1; |
145 } | 141 } |
146 /* Write coded speech to file */ | 142 /* Write coded speech to file */ |
147 if (fwrite(decoded, sizeof(short), framelength, | 143 if (fwrite(decoded, sizeof(short), framelength, outp) != |
148 outp) != static_cast<size_t>(framelength)) { | 144 static_cast<size_t>(framelength)) { |
149 return -1; | 145 return -1; |
150 } | 146 } |
151 } | 147 } |
152 } | 148 } |
153 | 149 |
154 WebRtcG722_FreeEncoder((G722EncInst *)G722enc_inst); | 150 WebRtcG722_FreeEncoder((G722EncInst *)G722enc_inst); |
155 WebRtcG722_FreeDecoder((G722DecInst *)G722dec_inst); | 151 WebRtcG722_FreeDecoder((G722DecInst *)G722dec_inst); |
156 | 152 |
157 length_file = ((double)framecnt*(double)framelength/16000); | 153 length_file = ((double)framecnt*(double)framelength/16000); |
158 printf("\n\nLength of speech file: %.1f s\n", length_file); | 154 printf("\n\nLength of speech file: %.1f s\n", length_file); |
159 printf("Time to run G.722: %.2f s (%.2f %% of realtime)\n\n", runtime,
(100*runtime/length_file)); | 155 printf("Time to run G.722: %.2f s (%.2f %% of realtime)\n\n", runtime,
(100*runtime/length_file)); |
160 printf("---------------------END----------------------\n"); | 156 printf("---------------------END----------------------\n"); |
161 | 157 |
162 fclose(inp); | 158 fclose(inp); |
163 fclose(outbitp); | 159 fclose(outbitp); |
164 fclose(outp); | 160 fclose(outp); |
165 | 161 |
166 return 0; | 162 return 0; |
167 } | 163 } |
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