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added notes to pa_test_ac3.c that the test stream file must include the correct spdif preamble on every ac3 frame

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This commit is contained in:
rossb 2009-03-08 08:15:50 +00:00
commit 654bc7cc21
1 changed files with 6 additions and 5 deletions
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11
test/patest_wmme_ac3.c
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@ -111,22 +111,23 @@ int main(int argc, char* argv[])
int i;
int deviceIndex;
FILE *fp;
const char *fileName = "c:\\test_48k.ac3";
const char *fileName = "c:\\test_48k.ac3.spdif";
data.buffer = NULL;
printf("usage: patest_wmme_ac3 fileName [paDeviceIndex]\n");
printf("PortAudio Test: output a raw ac3 stream. SR = %d, BufSize = %d, Chans = %d\n", SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);
printf("**IMPORTANT*** The provided file must include the spdif preamble at the start of every AC-3 frame. Using a normal ac3 file won't work."
printf("PortAudio Test: output a raw spdif ac3 stream. SR = %d, BufSize = %d, Chans = %d\n",
SAMPLE_RATE, FRAMES_PER_BUFFER, CHANNEL_COUNT);
if( argc >= 2 )
fileName = argv[1];
printf( "reading ac3 raw stream file %s\n", fileName );
printf( "reading spdif ac3 raw stream file %s\n", fileName );
fp = fopen( fileName, "rb" );
if( !fp ){
fprintf( stderr, "error opening ac3 file.\n" );
fprintf( stderr, "error opening spdif ac3 file.\n" );
return -1;
}
/* get file size */