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1 : : /***
2 : : This file is part of PulseAudio.
3 : :
4 : : PulseAudio is free software; you can redistribute it and/or modify
5 : : it under the terms of the GNU Lesser General Public License as published
6 : : by the Free Software Foundation; either version 2.1 of the License,
7 : : or (at your option) any later version.
8 : :
9 : : PulseAudio is distributed in the hope that it will be useful, but
10 : : WITHOUT ANY WARRANTY; without even the implied warranty of
11 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 : : General Public License for more details.
13 : :
14 : : You should have received a copy of the GNU Lesser General Public License
15 : : along with PulseAudio; if not, write to the Free Software
16 : : Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
17 : : USA.
18 : : ***/
19 : :
20 : : #ifdef HAVE_CONFIG_H
21 : : #include <config.h>
22 : : #endif
23 : :
24 : : #include <stdlib.h>
25 : : #include <stdio.h>
26 : : #include <signal.h>
27 : :
28 : : #include <pulsecore/memblockq.h>
29 : : #include <pulsecore/log.h>
30 : : #include <pulsecore/macro.h>
31 : :
32 : 57 : static void dump_chunk(const pa_memchunk *chunk) {
33 : : size_t n;
34 : : void *q;
35 : : char *e;
36 : :
37 [ - + ]: 57 : pa_assert(chunk);
38 : :
39 : 57 : q = pa_memblock_acquire(chunk->memblock);
40 [ + + ]: 301 : for (e = (char*) q + chunk->index, n = 0; n < chunk->length; n++, e++)
41 : 244 : fprintf(stderr, "%c", *e);
42 : 57 : pa_memblock_release(chunk->memblock);
43 : 57 : }
44 : :
45 : 2 : static void dump(pa_memblockq *bq) {
46 : : pa_memchunk out;
47 : :
48 [ - + ]: 2 : pa_assert(bq);
49 : :
50 : : /* First let's dump this as fixed block */
51 : 2 : fprintf(stderr, "FIXED >");
52 : 2 : pa_memblockq_peek_fixed_size(bq, 64, &out);
53 : 2 : dump_chunk(&out);
54 : 2 : pa_memblock_unref(out.memblock);
55 : 2 : fprintf(stderr, "<\n");
56 : :
57 : : /* Then let's dump the queue manually */
58 : 2 : fprintf(stderr, "MANUAL>");
59 : :
60 : : for (;;) {
61 [ + + ]: 57 : if (pa_memblockq_peek(bq, &out) < 0)
62 : : break;
63 : :
64 : 55 : dump_chunk(&out);
65 : 55 : pa_memblock_unref(out.memblock);
66 : 55 : pa_memblockq_drop(bq, out.length);
67 : 55 : }
68 : :
69 : 2 : fprintf(stderr, "<\n");
70 : 2 : }
71 : :
72 : 1 : int main(int argc, char *argv[]) {
73 : : int ret;
74 : :
75 : : pa_mempool *p;
76 : : pa_memblockq *bq;
77 : : pa_memchunk chunk1, chunk2, chunk3, chunk4;
78 : : pa_memchunk silence;
79 : 1 : pa_sample_spec ss = {
80 : : .format = PA_SAMPLE_S16LE,
81 : : .rate = 48000,
82 : : .channels = 1
83 : : };
84 : :
85 : 1 : pa_log_set_level(PA_LOG_DEBUG);
86 : :
87 : 1 : p = pa_mempool_new(FALSE, 0);
88 : :
89 [ - + ]: 1 : pa_assert_se(silence.memblock = pa_memblock_new_fixed(p, (char*) "__", 2, 1));
90 : 1 : silence.index = 0;
91 : 1 : silence.length = pa_memblock_get_length(silence.memblock);
92 : :
93 [ - + ]: 1 : pa_assert_se(bq = pa_memblockq_new("test memblockq", 0, 200, 10, &ss, 4, 4, 40, &silence));
94 : :
95 [ - + ]: 1 : pa_assert_se(chunk1.memblock = pa_memblock_new_fixed(p, (char*) "11", 2, 1));
96 : 1 : chunk1.index = 0;
97 : 1 : chunk1.length = 2;
98 : :
99 [ - + ]: 1 : pa_assert_se(chunk2.memblock = pa_memblock_new_fixed(p, (char*) "XX22", 4, 1));
100 : 1 : chunk2.index = 2;
101 : 1 : chunk2.length = 2;
102 : :
103 [ - + ]: 1 : pa_assert_se(chunk3.memblock = pa_memblock_new_fixed(p, (char*) "3333", 4, 1));
104 : 1 : chunk3.index = 0;
105 : 1 : chunk3.length = 4;
106 : :
107 [ - + ]: 1 : pa_assert_se(chunk4.memblock = pa_memblock_new_fixed(p, (char*) "44444444", 8, 1));
108 : 1 : chunk4.index = 0;
109 : 1 : chunk4.length = 8;
110 : :
111 : 1 : ret = pa_memblockq_push(bq, &chunk1);
112 [ - + ]: 1 : assert(ret == 0);
113 : :
114 : 1 : ret = pa_memblockq_push(bq, &chunk2);
115 [ - + ]: 1 : assert(ret == 0);
116 : :
117 : 1 : ret = pa_memblockq_push(bq, &chunk3);
118 [ - + ]: 1 : assert(ret == 0);
119 : :
120 : 1 : ret = pa_memblockq_push(bq, &chunk4);
121 [ - + ]: 1 : assert(ret == 0);
122 : :
123 : 1 : pa_memblockq_seek(bq, -6, 0, TRUE);
124 : 1 : ret = pa_memblockq_push(bq, &chunk3);
125 [ - + ]: 1 : assert(ret == 0);
126 : :
127 : 1 : pa_memblockq_seek(bq, -2, 0, TRUE);
128 : 1 : ret = pa_memblockq_push(bq, &chunk1);
129 [ - + ]: 1 : assert(ret == 0);
130 : :
131 : 1 : pa_memblockq_seek(bq, -10, 0, TRUE);
132 : 1 : ret = pa_memblockq_push(bq, &chunk4);
133 [ - + ]: 1 : assert(ret == 0);
134 : :
135 : 1 : pa_memblockq_seek(bq, 10, 0, TRUE);
136 : :
137 : 1 : ret = pa_memblockq_push(bq, &chunk1);
138 [ - + ]: 1 : assert(ret == 0);
139 : :
140 : 1 : pa_memblockq_seek(bq, -6, 0, TRUE);
141 : 1 : ret = pa_memblockq_push(bq, &chunk2);
142 [ - + ]: 1 : assert(ret == 0);
143 : :
144 : : /* Test splitting */
145 : 1 : pa_memblockq_seek(bq, -12, 0, TRUE);
146 : 1 : ret = pa_memblockq_push(bq, &chunk1);
147 [ - + ]: 1 : assert(ret == 0);
148 : :
149 : 1 : pa_memblockq_seek(bq, 20, 0, TRUE);
150 : :
151 : : /* Test merging */
152 : 1 : ret = pa_memblockq_push(bq, &chunk3);
153 [ - + ]: 1 : assert(ret == 0);
154 : 1 : pa_memblockq_seek(bq, -2, 0, TRUE);
155 : :
156 : 1 : chunk3.index += 2;
157 : 1 : chunk3.length -= 2;
158 : 1 : ret = pa_memblockq_push(bq, &chunk3);
159 [ - + ]: 1 : assert(ret == 0);
160 : :
161 : 1 : pa_memblockq_seek(bq, 30, PA_SEEK_RELATIVE, TRUE);
162 : :
163 : 1 : dump(bq);
164 : :
165 : 1 : pa_memblockq_rewind(bq, 52);
166 : :
167 : 1 : dump(bq);
168 : :
169 : 1 : pa_memblockq_free(bq);
170 : 1 : pa_memblock_unref(silence.memblock);
171 : 1 : pa_memblock_unref(chunk1.memblock);
172 : 1 : pa_memblock_unref(chunk2.memblock);
173 : 1 : pa_memblock_unref(chunk3.memblock);
174 : 1 : pa_memblock_unref(chunk4.memblock);
175 : :
176 : 1 : pa_mempool_free(p);
177 : :
178 : : return 0;
179 : : }
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