The mpegts muxer does not set the stream time base using av_set_pts_info, but expects it to have the default value of 1/90000. If the calling code changes stream pts before writing the header, other muxers override the time base at that point (like mpegenc.c).
Libav README ------------ 1) Documentation ---------------- * Read the documentation in the doc/ directory. 2) Licensing ------------ * See the LICENSE file.
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