If a video track specifies a zero frame rate (invalid but occurs), this results in a division by zero and subsequent undefined conversion to integer. Setting the default duration from the frame rate only if the latter is greater than zero avoids such problems. Signed-off-by: Mans Rullgard <mans@mansr.com>
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Libav README ------------ 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.
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