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修复两个无符号int值的差值强转为有符号int发生溢出导致出现pts为负值，导致触发后续断言检查pts不能为负值的处理 #359

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修复两个无符号int值的差值强转为有符号int发生溢出导致出现pts为负值，导致触发后续断言检查pts不能为负值的处理 #359

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4 changes: 2 additions & 2 deletions librtsp/source/utils/rtsp-demuxer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -293,7 +293,7 @@ static inline int rtsp_demuxer_onrtppacket(void* param, const void* data, int by
if (0 == pt->last && INT64_MIN == pt->pts)
pt->timestamp = timestamp;
else
pt->timestamp += (int32_t)(timestamp - pt->last);
pt->timestamp += (int64_t)(timestamp - pt->last);
pt->last = timestamp;
pt->pts = pt->timestamp * 1000 / pt->frequency;

Expand All @@ -318,7 +318,7 @@ static inline int rtsp_demuxer_onh2645nalu(void* param, const void* data, int by
if (0 == pt->last && INT64_MIN == pt->pts)
pt->timestamp = timestamp;
else
pt->timestamp += (int32_t)(timestamp - pt->last);
pt->timestamp += (int64_t)(timestamp - pt->last);
pt->last = timestamp;
pt->pts = pt->timestamp * 1000 / pt->frequency;

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