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better in CVS than lost

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3102 a95241bf-73f2-0310-859d-f6bbb57e9c96
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beveloper 2003-04-25 16:09:01 +00:00
parent c5788c0416
commit c123bb9936
1 changed files with 130 additions and 0 deletions
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130
src/tests/kits/media/soundplayer/SoundPlayerTest.cpp Normal file
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#include <Application.h>
#include <SoundPlayer.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include "OS.h"
#define NAMESPACE
//#define NAMESPACE BExperimental::
#define FILENAME "/boot/home/test1.wav"
sem_id finished = -1;
int fd = -1;
NAMESPACE BSoundPlayer *sp = 0;
inline float abs(float f) { return f < 0 ? -f : f; }
void PlayBuffer(void *cookie, void * buffer, size_t size, const media_raw_audio_format & format)
{
if (size != (size_t)read(fd, buffer, size)) {
sp->SetHasData(false);
release_sem(finished);
}
}
int main(int argc, char *argv[])
{
fd = open((argc > 1) ? argv[1] : FILENAME, O_RDONLY);
if (fd < 0)
return -1;
lseek(fd, 44, SEEK_SET); // skip wav header
new BApplication("application/x-vnd.SoundPlayTest");
finished = create_sem(0, "finish wait");
media_raw_audio_format format;
format = media_raw_audio_format::wildcard;
format.frame_rate = 44100;
format.channel_count = 2;
format.format = media_raw_audio_format::B_AUDIO_SHORT;
format.byte_order = B_MEDIA_LITTLE_ENDIAN;
format.buffer_size = 4 * 4096;
sp = new NAMESPACE BSoundPlayer(&format, "sound player test", PlayBuffer);
printf("playing soundfile\n");
sp->SetHasData(true);
sp->Start();
printf("volume now %.2f\n", sp->Volume());
printf("volumeDB now %.2f\n", sp->VolumeDB());
float f;
media_node out_node;
int32 out_parameter;
float out_min_dB;
float out_max_dB;
sp->GetVolumeInfo(&out_node, &out_parameter, &out_min_dB, &out_max_dB);
printf("out_min_dB %.2f\n", out_min_dB);
printf("out_max_dB %.2f\n", out_max_dB);
/* Initial volume is not unrelyable! sometimes 0, 0.4, 1.0 and 3.2 have been observed */
sp->SetVolume(1.0f);
printf("waiting 5 seconds\n");
snooze(5000000);
printf("skipping 10MB now\n");
lseek(fd, 10000000, SEEK_CUR); // skip 10 MB
printf("waiting 3 seconds");
snooze(3000000);
do {
printf("\nDoing %% ramping...");
printf("\nramping down\n");
for (f = 1.0f; f >= 0.0; f -= ((f < 0.08) ? 0.005 : 0.05)) {
sp->SetVolume(f);
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);
fflush(stdout);
snooze(250000);
}
if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
break;
printf("\nramping up\n");
for (f = 0; f <= 1.0f; f += ((f < 0.08) ? 0.005 : 0.05)) {
sp->SetVolume(f);
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);
fflush(stdout);
snooze(250000);
}
if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
break;
printf("\nDoing DB ramping...");
printf("\nramping down\n");
for (f = out_max_dB; f >= out_min_dB; f -= abs(out_max_dB - out_min_dB) / 50) {
sp->SetVolumeDB(f);
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);
fflush(stdout);
snooze(250000);
}
if (B_OK == acquire_sem_etc(finished,1, B_TIMEOUT, 0))
break;
printf("\nramping up\n");
for (f = out_min_dB; f <= out_max_dB; f += abs(out_max_dB - out_min_dB) / 50) {
sp->SetVolumeDB(f);
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);
fflush(stdout);
snooze(250000);
}
} while (B_OK != acquire_sem_etc(finished,1, B_TIMEOUT, 0));
printf("\nplayback finished\n");
delete sp;
close(fd);
}