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https://github.com/alsa-project/alsa-utils
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Improved peak printed results
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parent
a529f34ab9
commit
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1 changed files with 9 additions and 2 deletions
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@ -895,7 +895,7 @@ static void suspend(void)
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/* peak handler */
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/* peak handler */
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static void compute_max_peak(u_char *data, size_t count)
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static void compute_max_peak(u_char *data, size_t count)
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{
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{
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signed int val, max, max_peak = 0;
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signed int val, max, max_peak = 0, perc;
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size_t step, ocount = count;
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size_t step, ocount = count;
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while (count-- > 0) {
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while (count-- > 0) {
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@ -912,7 +912,14 @@ static void compute_max_peak(u_char *data, size_t count)
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max = 1 << (bits_per_sample-1);
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max = 1 << (bits_per_sample-1);
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if (max == 0)
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if (max == 0)
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max = 0x7fffffff;
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max = 0x7fffffff;
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printf("Max peak (%li samples): %i (0x%x) %i%%\n", (long)ocount, max_peak, max_peak, max_peak / (max / 100));
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printf("Max peak (%li samples): %05i (0x%04x) ", (long)ocount, max_peak, max_peak);
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perc = max_peak / (max / 100);
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for (val = 0; val < 20; val++)
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if (val <= perc / 5)
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putc('#', stdout);
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else
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putc(' ', stdout);
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printf(" %i%%\n", perc);
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}
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}
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/*
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/*
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