1 /* |
1 /* |
2 * OpenAL Bridge - a simple portable library for OpenAL interface |
2 * OpenAL Bridge - a simple portable library for OpenAL interface |
3 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com> |
3 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com> |
4 * |
4 * |
5 * This program is free software; you can redistribute it and/or modify |
5 * This program is free software; you can redistribute it and/or modify |
6 * it under the terms of the GNU Lesser General Public License as published by |
6 * it under the terms of the GNU Lesser General Public License as published by |
7 * the Free Software Foundation; version 2 of the License |
7 * the Free Software Foundation; version 2 of the License |
8 * |
8 * |
9 * This program is distributed in the hope that it will be useful, |
9 * This program is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 * GNU Lesser General Public License for more details. |
12 * GNU Lesser General Public License for more details. |
13 * |
13 * |
14 * You should have received a copy of the GNU Lesser General Public License |
14 * You should have received a copy of the GNU Lesser General Public License |
15 * along with this program; if not, write to the Free Software |
15 * along with this program; if not, write to the Free Software |
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
17 */ |
17 */ |
18 |
18 |
19 #include "loaders.h" |
19 #include "loaders.h" |
20 #include "wrappers.h" |
20 #include "wrappers.h" |
21 #include "vorbis/vorbisfile.h" |
21 #include "vorbis/vorbisfile.h" |
22 |
22 #include "openalbridge_t.h" |
23 #ifdef __CPLUSPLUS |
23 |
24 extern "C" { |
24 int load_wavpcm (const char *filename, ALenum *format, char ** data, ALsizei *bitsize, ALsizei *freq) { |
25 #endif |
25 WAV_header_t WAVHeader; |
26 |
26 FILE *wavfile; |
27 int load_wavpcm (const char *filename, ALenum *format, char ** data, ALsizei *bitsize, ALsizei *freq) { |
27 int32_t t; |
28 WAV_header_t WAVHeader; |
28 uint32_t n = 0; |
29 FILE *wavfile; |
29 uint8_t sub0, sub1, sub2, sub3; |
30 int32_t t; |
30 |
31 uint32_t n = 0; |
31 wavfile = Fopen(filename, "rb"); |
32 uint8_t sub0, sub1, sub2, sub3; |
32 |
33 |
33 fread(&WAVHeader.ChunkID, sizeof(uint32_t), 1, wavfile); /*RIFF*/ |
34 wavfile = Fopen(filename, "rb"); |
34 fread(&WAVHeader.ChunkSize, sizeof(uint32_t), 1, wavfile); |
35 |
35 fread(&WAVHeader.Format, sizeof(uint32_t), 1, wavfile); /*WAVE*/ |
36 fread(&WAVHeader.ChunkID, sizeof(uint32_t), 1, wavfile); /*RIFF*/ |
36 |
37 fread(&WAVHeader.ChunkSize, sizeof(uint32_t), 1, wavfile); |
37 #ifdef DEBUG |
38 fread(&WAVHeader.Format, sizeof(uint32_t), 1, wavfile); /*WAVE*/ |
38 fprintf(stderr, "ChunkID: %X\n", ENDIAN_BIG_32(WAVHeader.ChunkID)); |
39 |
39 fprintf(stderr, "ChunkSize: %d\n", ENDIAN_LITTLE_32(WAVHeader.ChunkSize)); |
40 #ifdef DEBUG |
40 fprintf(stderr, "Format: %X\n", ENDIAN_BIG_32(WAVHeader.Format)); |
41 fprintf(stderr, "ChunkID: %X\n", ENDIAN_BIG_32(WAVHeader.ChunkID)); |
41 #endif |
42 fprintf(stderr, "ChunkSize: %d\n", ENDIAN_LITTLE_32(WAVHeader.ChunkSize)); |
42 |
43 fprintf(stderr, "Format: %X\n", ENDIAN_BIG_32(WAVHeader.Format)); |
43 fread(&WAVHeader.Subchunk1ID, sizeof(uint32_t), 1, wavfile); /*fmt */ |
44 #endif |
44 fread(&WAVHeader.Subchunk1Size, sizeof(uint32_t), 1, wavfile); |
45 |
45 fread(&WAVHeader.AudioFormat, sizeof(uint16_t), 1, wavfile); |
46 fread(&WAVHeader.Subchunk1ID, sizeof(uint32_t), 1, wavfile); /*fmt */ |
46 fread(&WAVHeader.NumChannels, sizeof(uint16_t), 1, wavfile); |
47 fread(&WAVHeader.Subchunk1Size, sizeof(uint32_t), 1, wavfile); |
47 fread(&WAVHeader.SampleRate, sizeof(uint32_t), 1, wavfile); |
48 fread(&WAVHeader.AudioFormat, sizeof(uint16_t), 1, wavfile); |
48 fread(&WAVHeader.ByteRate, sizeof(uint32_t), 1, wavfile); |
49 fread(&WAVHeader.NumChannels, sizeof(uint16_t), 1, wavfile); |
49 fread(&WAVHeader.BlockAlign, sizeof(uint16_t), 1, wavfile); |
50 fread(&WAVHeader.SampleRate, sizeof(uint32_t), 1, wavfile); |
50 fread(&WAVHeader.BitsPerSample, sizeof(uint16_t), 1, wavfile); |
51 fread(&WAVHeader.ByteRate, sizeof(uint32_t), 1, wavfile); |
51 |
52 fread(&WAVHeader.BlockAlign, sizeof(uint16_t), 1, wavfile); |
52 #ifdef DEBUG |
53 fread(&WAVHeader.BitsPerSample, sizeof(uint16_t), 1, wavfile); |
53 fprintf(stderr, "Subchunk1ID: %X\n", ENDIAN_BIG_32(WAVHeader.Subchunk1ID)); |
54 |
54 fprintf(stderr, "Subchunk1Size: %d\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk1Size)); |
55 #ifdef DEBUG |
55 fprintf(stderr, "AudioFormat: %d\n", ENDIAN_LITTLE_16(WAVHeader.AudioFormat)); |
56 fprintf(stderr, "Subchunk1ID: %X\n", ENDIAN_BIG_32(WAVHeader.Subchunk1ID)); |
56 fprintf(stderr, "NumChannels: %d\n", ENDIAN_LITTLE_16(WAVHeader.NumChannels)); |
57 fprintf(stderr, "Subchunk1Size: %d\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk1Size)); |
57 fprintf(stderr, "SampleRate: %d\n", ENDIAN_LITTLE_32(WAVHeader.SampleRate)); |
58 fprintf(stderr, "AudioFormat: %d\n", ENDIAN_LITTLE_16(WAVHeader.AudioFormat)); |
58 fprintf(stderr, "ByteRate: %d\n", ENDIAN_LITTLE_32(WAVHeader.ByteRate)); |
59 fprintf(stderr, "NumChannels: %d\n", ENDIAN_LITTLE_16(WAVHeader.NumChannels)); |
59 fprintf(stderr, "BlockAlign: %d\n", ENDIAN_LITTLE_16(WAVHeader.BlockAlign)); |
60 fprintf(stderr, "SampleRate: %d\n", ENDIAN_LITTLE_32(WAVHeader.SampleRate)); |
60 fprintf(stderr, "BitsPerSample: %d\n", ENDIAN_LITTLE_16(WAVHeader.BitsPerSample)); |
61 fprintf(stderr, "ByteRate: %d\n", ENDIAN_LITTLE_32(WAVHeader.ByteRate)); |
61 #endif |
62 fprintf(stderr, "BlockAlign: %d\n", ENDIAN_LITTLE_16(WAVHeader.BlockAlign)); |
62 |
63 fprintf(stderr, "BitsPerSample: %d\n", ENDIAN_LITTLE_16(WAVHeader.BitsPerSample)); |
63 /*remove useless header chunks by looking for the WAV_HEADER_SUBCHUNK2ID integer */ |
64 #endif |
64 do { |
65 |
65 t = fread(&sub0, sizeof(uint8_t), 1, wavfile); |
66 /*remove useless header chunks by looking for the WAV_HEADER_SUBCHUNK2ID integer */ |
66 if(sub0 == 0x64) { |
67 do { |
67 t = fread(&sub1, sizeof(uint8_t), 1, wavfile); |
68 t = fread(&sub0, sizeof(uint8_t), 1, wavfile); |
68 if(sub1 == 0x61) { |
69 if(sub0 == 0x64) { |
69 t = fread(&sub2, sizeof(uint8_t), 1, wavfile); |
70 t = fread(&sub1, sizeof(uint8_t), 1, wavfile); |
70 if(sub2 == 0x74) { |
71 if(sub1 == 0x61) { |
71 t = fread(&sub3, sizeof(uint8_t), 1, wavfile); |
72 t = fread(&sub2, sizeof(uint8_t), 1, wavfile); |
72 if(sub3 == 0x61) { |
73 if(sub2 == 0x74) { |
73 WAVHeader.Subchunk2ID = WAV_HEADER_SUBCHUNK2ID; |
74 t = fread(&sub3, sizeof(uint8_t), 1, wavfile); |
74 break; |
75 if(sub3 == 0x61) { |
75 } |
76 WAVHeader.Subchunk2ID = WAV_HEADER_SUBCHUNK2ID; |
|
77 break; |
|
78 } |
|
79 } |
|
80 } |
76 } |
81 } |
77 } |
82 |
78 } |
83 if (t <= 0) { |
79 |
84 /*eof*/ |
80 if (t <= 0) { |
|
81 /*eof*/ |
|
82 errno = EILSEQ; |
|
83 err_ret("(%s) ERROR - wrong WAV header", prog); |
|
84 return AL_FALSE; |
|
85 } |
|
86 } while (1); |
|
87 |
|
88 fread(&WAVHeader.Subchunk2Size, sizeof(uint32_t), 1, wavfile); |
|
89 |
|
90 #ifdef DEBUG |
|
91 fprintf(stderr, "Subchunk2ID: %X\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk2ID)); |
|
92 fprintf(stderr, "Subchunk2Size: %d\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
93 #endif |
|
94 |
|
95 *data = (char*) Malloc (sizeof(char) * ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
96 |
|
97 /*read the actual sound data*/ |
|
98 do { |
|
99 n += fread(&((*data)[n]), sizeof(uint8_t), 4, wavfile); |
|
100 } while (n < ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
101 |
|
102 fclose(wavfile); |
|
103 |
|
104 #ifdef DEBUG |
|
105 err_msg("(%s) INFO - WAV data loaded", prog); |
|
106 #endif |
|
107 |
|
108 /*set parameters for OpenAL*/ |
|
109 /*Valid formats are AL_FORMAT_MONO8, AL_FORMAT_MONO16, AL_FORMAT_STEREO8, and AL_FORMAT_STEREO16*/ |
|
110 if (ENDIAN_LITTLE_16(WAVHeader.NumChannels) == 1) { |
|
111 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 8) |
|
112 *format = AL_FORMAT_MONO8; |
|
113 else { |
|
114 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 16) |
|
115 *format = AL_FORMAT_MONO16; |
|
116 else { |
85 errno = EILSEQ; |
117 errno = EILSEQ; |
86 err_ret("(%s) ERROR - wrong WAV header", prog); |
118 err_ret("(%s) ERROR - wrong WAV header [bitsample value]", prog); |
87 return AL_FALSE; |
119 return AL_FALSE; |
88 } |
120 } |
89 } while (1); |
121 } |
90 |
122 } else { |
91 fread(&WAVHeader.Subchunk2Size, sizeof(uint32_t), 1, wavfile); |
123 if (ENDIAN_LITTLE_16(WAVHeader.NumChannels) == 2) { |
92 |
|
93 #ifdef DEBUG |
|
94 fprintf(stderr, "Subchunk2ID: %X\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk2ID)); |
|
95 fprintf(stderr, "Subchunk2Size: %d\n", ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
96 #endif |
|
97 |
|
98 *data = (char*) Malloc (sizeof(char) * ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
99 |
|
100 /*read the actual sound data*/ |
|
101 do { |
|
102 n += fread(&((*data)[n]), sizeof(uint8_t), 4, wavfile); |
|
103 } while (n < ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size)); |
|
104 |
|
105 fclose(wavfile); |
|
106 |
|
107 #ifdef DEBUG |
|
108 err_msg("(%s) INFO - WAV data loaded", prog); |
|
109 #endif |
|
110 |
|
111 /*set parameters for OpenAL*/ |
|
112 /*Valid formats are AL_FORMAT_MONO8, AL_FORMAT_MONO16, AL_FORMAT_STEREO8, and AL_FORMAT_STEREO16*/ |
|
113 if (ENDIAN_LITTLE_16(WAVHeader.NumChannels) == 1) { |
|
114 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 8) |
124 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 8) |
115 *format = AL_FORMAT_MONO8; |
125 *format = AL_FORMAT_STEREO8; |
116 else { |
126 else { |
117 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 16) |
127 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 16) |
118 *format = AL_FORMAT_MONO16; |
128 *format = AL_FORMAT_STEREO16; |
119 else { |
129 else { |
120 errno = EILSEQ; |
130 errno = EILSEQ; |
121 err_ret("(%s) ERROR - wrong WAV header [bitsample value]", prog); |
131 err_ret("(%s) ERROR - wrong WAV header [bitsample value]", prog); |
122 return AL_FALSE; |
132 return AL_FALSE; |
123 } |
133 } |
124 } |
134 } |
125 } else { |
135 } else { |
126 if (ENDIAN_LITTLE_16(WAVHeader.NumChannels) == 2) { |
136 errno = EILSEQ; |
127 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 8) |
137 err_ret("(%s) ERROR - wrong WAV header [format value]", prog); |
128 *format = AL_FORMAT_STEREO8; |
138 return AL_FALSE; |
129 else { |
139 } |
130 if (ENDIAN_LITTLE_16(WAVHeader.BitsPerSample) == 16) |
140 } |
131 *format = AL_FORMAT_STEREO16; |
141 |
132 else { |
142 *bitsize = ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size); |
133 errno = EILSEQ; |
143 *freq = ENDIAN_LITTLE_32(WAVHeader.SampleRate); |
134 err_ret("(%s) ERROR - wrong WAV header [bitsample value]", prog); |
144 return AL_TRUE; |
135 return AL_FALSE; |
145 } |
136 } |
146 |
137 } |
147 |
138 } else { |
148 int load_oggvorbis (const char *filename, ALenum *format, char **data, ALsizei *bitsize, ALsizei *freq) { |
139 errno = EILSEQ; |
149 /*implementation inspired from http://www.devmaster.net/forums/showthread.php?t=1153 */ |
140 err_ret("(%s) ERROR - wrong WAV header [format value]", prog); |
150 |
141 return AL_FALSE; |
151 /*ogg handle*/ |
142 } |
152 FILE *oggFile; |
143 } |
153 /*stream handle*/ |
144 |
154 OggVorbis_File oggStream; |
145 *bitsize = ENDIAN_LITTLE_32(WAVHeader.Subchunk2Size); |
155 /*some formatting data*/ |
146 *freq = ENDIAN_LITTLE_32(WAVHeader.SampleRate); |
156 vorbis_info *vorbisInfo; |
147 return AL_TRUE; |
157 /*length of the decoded data*/ |
148 } |
158 int64_t pcm_length; |
149 |
159 /*other vars*/ |
150 |
160 int section, result, size, endianness; |
151 int load_oggvorbis (const char *filename, ALenum *format, char **data, ALsizei *bitsize, ALsizei *freq) { |
161 #ifdef DEBUG |
152 /*implementation inspired from http://www.devmaster.net/forums/showthread.php?t=1153 */ |
162 int i; |
153 |
163 /*other less useful data*/ |
154 /*ogg handle*/ |
164 vorbis_comment *vorbisComment; |
155 FILE *oggFile; |
165 #endif |
156 /*stream handle*/ |
166 |
157 OggVorbis_File oggStream; |
167 oggFile = Fopen(filename, "rb"); |
158 /*some formatting data*/ |
168 result = ov_open_callbacks(oggFile, &oggStream, NULL, 0, OV_CALLBACKS_DEFAULT); |
159 vorbis_info *vorbisInfo; |
169 if (result < 0) { |
160 /*length of the decoded data*/ |
170 errno = EINVAL; |
161 int64_t pcm_length; |
171 err_ret("(%s) ERROR - ov_fopen() failed with %X", prog, result); |
162 /*other vars*/ |
172 ov_clear(&oggStream); |
163 int section, result, size, endianness; |
173 return -1; |
164 #ifdef DEBUG |
174 } |
165 int i; |
175 |
166 /*other less useful data*/ |
176 /*load OGG header and determine the decoded data size*/ |
167 vorbis_comment *vorbisComment; |
177 vorbisInfo = ov_info(&oggStream, -1); |
168 #endif |
178 pcm_length = ov_pcm_total(&oggStream, -1) << vorbisInfo->channels; |
169 |
179 |
170 oggFile = Fopen(filename, "rb"); |
180 #ifdef DEBUG |
171 result = ov_open_callbacks(oggFile, &oggStream, NULL, 0, OV_CALLBACKS_DEFAULT); |
181 vorbisComment = ov_comment(&oggStream, -1); |
172 if (result < 0) { |
182 fprintf(stderr, "Version: %d\n", vorbisInfo->version); |
173 errno = EINVAL; |
183 fprintf(stderr, "Channels: %d\n", vorbisInfo->channels); |
174 err_ret("(%s) ERROR - ov_fopen() failed with %X", prog, result); |
184 fprintf(stderr, "Rate (Hz): %ld\n", vorbisInfo->rate); |
|
185 fprintf(stderr, "Bitrate Upper: %ld\n", vorbisInfo->bitrate_upper); |
|
186 fprintf(stderr, "Bitrate Nominal: %ld\n", vorbisInfo->bitrate_nominal); |
|
187 fprintf(stderr, "Bitrate Lower: %ld\n", vorbisInfo->bitrate_lower); |
|
188 fprintf(stderr, "Bitrate Windows: %ld\n", vorbisInfo->bitrate_window); |
|
189 fprintf(stderr, "Vendor: %s\n", vorbisComment->vendor); |
|
190 fprintf(stderr, "PCM data size: %lld\n", pcm_length); |
|
191 fprintf(stderr, "# comment: %d\n", vorbisComment->comments); |
|
192 for (i = 0; i < vorbisComment->comments; i++) |
|
193 fprintf(stderr, "\tComment %d: %s\n", i, vorbisComment->user_comments[i]); |
|
194 #endif |
|
195 |
|
196 /*allocates enough room for the decoded data*/ |
|
197 *data = (char*) Malloc (sizeof(char) * pcm_length); |
|
198 |
|
199 /*there *should* not be ogg at 8 bits*/ |
|
200 if (vorbisInfo->channels == 1) |
|
201 *format = AL_FORMAT_MONO16; |
|
202 else { |
|
203 if (vorbisInfo->channels == 2) |
|
204 *format = AL_FORMAT_STEREO16; |
|
205 else { |
|
206 errno = EILSEQ; |
|
207 err_ret("(%s) ERROR - wrong OGG header [channel %d]", prog, vorbisInfo->channels); |
175 ov_clear(&oggStream); |
208 ov_clear(&oggStream); |
176 return -1; |
209 return -1; |
177 } |
210 } |
178 |
211 } |
179 /*load OGG header and determine the decoded data size*/ |
212 |
180 vorbisInfo = ov_info(&oggStream, -1); |
213 size = 0; |
181 pcm_length = ov_pcm_total(&oggStream, -1) << vorbisInfo->channels; |
214 #ifdef __LITTLE_ENDIAN__ |
182 |
215 endianness = 0; |
183 #ifdef DEBUG |
216 #elif __BIG_ENDIAN__ |
184 vorbisComment = ov_comment(&oggStream, -1); |
217 endianness = 1; |
185 fprintf(stderr, "Version: %d\n", vorbisInfo->version); |
218 #endif |
186 fprintf(stderr, "Channels: %d\n", vorbisInfo->channels); |
219 while (size < pcm_length) { |
187 fprintf(stderr, "Rate (Hz): %ld\n", vorbisInfo->rate); |
220 /*ov_read decodes the ogg stream and storse the pcm in data*/ |
188 fprintf(stderr, "Bitrate Upper: %ld\n", vorbisInfo->bitrate_upper); |
221 result = ov_read (&oggStream, *data + size, pcm_length - size, endianness, 2, 1, §ion); |
189 fprintf(stderr, "Bitrate Nominal: %ld\n", vorbisInfo->bitrate_nominal); |
222 if (result > 0) { |
190 fprintf(stderr, "Bitrate Lower: %ld\n", vorbisInfo->bitrate_lower); |
223 size += result; |
191 fprintf(stderr, "Bitrate Windows: %ld\n", vorbisInfo->bitrate_window); |
224 } else { |
192 fprintf(stderr, "Vendor: %s\n", vorbisComment->vendor); |
225 if (result == 0) |
193 fprintf(stderr, "PCM data size: %lld\n", pcm_length); |
226 break; |
194 fprintf(stderr, "# comment: %d\n", vorbisComment->comments); |
|
195 for (i = 0; i < vorbisComment->comments; i++) |
|
196 fprintf(stderr, "\tComment %d: %s\n", i, vorbisComment->user_comments[i]); |
|
197 #endif |
|
198 |
|
199 /*allocates enough room for the decoded data*/ |
|
200 *data = (char*) Malloc (sizeof(char) * pcm_length); |
|
201 |
|
202 /*there *should* not be ogg at 8 bits*/ |
|
203 if (vorbisInfo->channels == 1) |
|
204 *format = AL_FORMAT_MONO16; |
|
205 else { |
|
206 if (vorbisInfo->channels == 2) |
|
207 *format = AL_FORMAT_STEREO16; |
|
208 else { |
227 else { |
209 errno = EILSEQ; |
228 errno = EILSEQ; |
210 err_ret("(%s) ERROR - wrong OGG header [channel %d]", prog, vorbisInfo->channels); |
229 err_ret("(%s) ERROR - End of file from OGG stream", prog); |
211 ov_clear(&oggStream); |
230 ov_clear(&oggStream); |
212 return -1; |
231 return -1; |
213 } |
232 } |
214 } |
233 } |
215 |
234 } |
216 size = 0; |
235 |
217 #ifdef __LITTLE_ENDIAN__ |
236 /*set the last fields*/ |
218 endianness = 0; |
237 *bitsize = size; |
219 #elif __BIG_ENDIAN__ |
238 *freq = vorbisInfo->rate; |
220 endianness = 1; |
239 |
221 #endif |
240 /*cleaning time (ov_clear also closes file handler)*/ |
222 while (size < pcm_length) { |
241 ov_clear(&oggStream); |
223 /*ov_read decodes the ogg stream and storse the pcm in data*/ |
242 |
224 result = ov_read (&oggStream, *data + size, pcm_length - size, endianness, 2, 1, §ion); |
243 return 0; |
225 if (result > 0) { |
|
226 size += result; |
|
227 } else { |
|
228 if (result == 0) |
|
229 break; |
|
230 else { |
|
231 errno = EILSEQ; |
|
232 err_ret("(%s) ERROR - End of file from OGG stream", prog); |
|
233 ov_clear(&oggStream); |
|
234 return -1; |
|
235 } |
|
236 } |
|
237 } |
|
238 |
|
239 /*set the last fields*/ |
|
240 *bitsize = size; |
|
241 *freq = vorbisInfo->rate; |
|
242 |
|
243 /*cleaning time (ov_clear also closes file handler)*/ |
|
244 ov_clear(&oggStream); |
|
245 |
|
246 return 0; |
|
247 } |
|
248 |
|
249 #ifdef __CPLUSPLUS |
|
250 } |
244 } |
251 #endif |
|