1 #include <Application.h>
2 #include <SoundPlayer.h>
3 #include <stdio.h>
4 #include <unistd.h>
5 #include <fcntl.h>
6 #include "OS.h"
7
8 #define NAMESPACE
9 //#define NAMESPACE BExperimental::
10
11 #define FILENAME "/boot/home/test1.wav"
12
13 sem_id finished = -1;
14 int fd = -1;
15 NAMESPACE BSoundPlayer *sp = 0;
16
abs(float f)17 inline float abs(float f) { return f < 0 ? -f : f; }
18
PlayBuffer(void * cookie,void * buffer,size_t size,const media_raw_audio_format & format)19 void PlayBuffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
20 {
21 if (size != (size_t)read(fd, buffer, size)) {
22 sp->SetHasData(false);
23 release_sem(finished);
24 }
25 }
26
main(int argc,char * argv[])27 int main(int argc, char *argv[])
28 {
29 fd = open((argc > 1) ? argv[1] : FILENAME, O_RDONLY);
30 if (fd < 0)
31 return -1;
32
33 lseek(fd, 44, SEEK_SET); // skip wav header
34
35 new BApplication("application/x-vnd.SoundPlayTest");
36 finished = create_sem(0, "finish wait");
37
38 media_raw_audio_format format;
39 format = media_raw_audio_format::wildcard;
40 format.frame_rate = 44100;
41 format.channel_count = 2;
42 format.format = media_raw_audio_format::B_AUDIO_SHORT;
43 format.byte_order = B_MEDIA_LITTLE_ENDIAN;
44 format.buffer_size = 4 * 4096;
45
46
47 sp = new NAMESPACE BSoundPlayer(&format, "sound player test", PlayBuffer);
48
49 printf("playing soundfile\n");
50 sp->SetHasData(true);
51 sp->Start();
52
53 printf("volume now %.2f\n", sp->Volume());
54 printf("volumeDB now %.2f\n", sp->VolumeDB());
55
56 float f;
57 media_node out_node;
58 int32 out_parameter;
59 float out_min_dB;
60 float out_max_dB;
61
62 sp->GetVolumeInfo(&out_node, &out_parameter, &out_min_dB, &out_max_dB);
63
64 printf("out_min_dB %.2f\n", out_min_dB);
65 printf("out_max_dB %.2f\n", out_max_dB);
66
67 /* Initial volume is not unrelyable! sometimes 0, 0.4, 1.0 and 3.2 have been observed */
68 sp->SetVolume(1.0f);
69
70 printf("waiting 5 seconds\n");
71 snooze(5000000);
72
73 printf("skipping 10MB now\n");
74 lseek(fd, 10000000, SEEK_CUR); // skip 10 MB
75
76 printf("waiting 3 seconds");
77 snooze(3000000);
78
79 do {
80 printf("\nDoing %% ramping...");
81 printf("\nramping down\n");
82 for (f = 1.0f; f >= 0.0; f -= ((f < 0.08) ? 0.005 : 0.05)) {
83 sp->SetVolume(f);
84 printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bvolume now %.2f, should be %.2f", sp->Volume(), f);
85 fflush(stdout);
86 snooze(250000);
87 }
88
89 if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
90 break;
91
92 printf("\nramping up\n");
93 for (f = 0; f <= 1.0f; f += ((f < 0.08) ? 0.005 : 0.05)) {
94 sp->SetVolume(f);
95 printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bvolume now %.2f, should be %.2f", sp->Volume(), f);
96 fflush(stdout);
97 snooze(250000);
98 }
99
100 if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
101 break;
102
103 printf("\nDoing DB ramping...");
104
105 printf("\nramping down\n");
106 for (f = out_max_dB; f >= out_min_dB; f -= abs(out_max_dB - out_min_dB) / 50) {
107 sp->SetVolumeDB(f);
108 printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bvolume now %6.2f, should be %6.2f", sp->VolumeDB(), f);
109 fflush(stdout);
110 snooze(250000);
111 }
112
113 if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
114 break;
115
116 printf("\nramping up\n");
117 for (f = out_min_dB; f <= out_max_dB; f += abs(out_max_dB - out_min_dB) / 50) {
118 sp->SetVolumeDB(f);
119 printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\bvolume now %+6.2f, should be %6.2f", sp->VolumeDB(), f);
120 fflush(stdout);
121 snooze(250000);
122 }
123 } while (B_OK != acquire_sem_etc(finished,1, B_TIMEOUT, 0));
124
125 printf("\nplayback finished\n");
126
127 delete sp;
128
129 close(fd);
130 }
131