forked from mirrors/nixpkgs
23 lines
1.1 KiB
Diff
23 lines
1.1 KiB
Diff
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--- mp4v2-r355/src/mp4track.cpp 2012-01-05 15:44:29.000000000 +0100
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+++ mp4v2-r355/src/mp4track.cpp 2012-01-05 15:47:34.000000000 +0100
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@@ -819,13 +819,14 @@
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(thisSecStart + timeScale) - lastSampleTime;
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// calculate the duration of the last sample
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MP4Duration lastSampleDur = sampleTime - lastSampleTime;
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- uint32_t overflow_bytes;
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// now, calculate the number of bytes we overflowed. Round up.
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- overflow_bytes =
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- ((lastSampleSize * overflow_dur) + (lastSampleDur - 1)) / lastSampleDur;
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+ if( lastSampleDur > 0 ) {
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+ uint32_t overflow_bytes = 0;
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+ overflow_bytes = ((lastSampleSize * overflow_dur) + (lastSampleDur - 1)) / lastSampleDur;
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- if (bytesThisSec - overflow_bytes > maxBytesPerSec) {
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- maxBytesPerSec = bytesThisSec - overflow_bytes;
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+ if (bytesThisSec - overflow_bytes > maxBytesPerSec) {
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+ maxBytesPerSec = bytesThisSec - overflow_bytes;
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+ }
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}
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// now adjust the values for this sample. Remove the bytes
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