According to the sample for trac ticket #1722, PGS subtitles are decoded from several packets at the same DTS and varying PTS. The PTS from the presentation segment seem to be the valid one; in particular, clear subtitles are too early with the other PTS.
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FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.
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