ff0c58e963
If the first guessed pts is less than the start_pts, it could lead to a negative PTS being returned. Change the behavior so that the first frame's pts, if zero, is set to the start_pts. If more than one frame is less than the start_pts, the start_pts is determined invalid and set to 0. Valid start_pts example: start_pts = 500 first frame (pts = 0) pts = 500 (< start_pts) pts -= 500 (offset by start_pts) ret 0 second frame (pts = 700) pts = 700 (no change, > start_pts) pts -= 500 (offset by start_pts) ret 200 Invalid start_pts example: start_pts = 500 first frame (pts = 0) pts = 500 (< start_pts) pts -= 500 (offset by start_pts) ret 0 second frame (pts = 300) pts = 300 (< start_pts, start_pts set to 0) pts -= 0 (start_pts is now 0) ret 300 |
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libff | ||
CMakeLists.txt |