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qtmux: also track original PTS buffer timestamp in reorder dts-method
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31c26a4551
1 changed files with 6 additions and 2 deletions
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@ -2028,6 +2028,8 @@ gst_qt_mux_get_asc_buffer_ts (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
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pad->buf_entries[pad->buf_head++] = NULL;
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pad->buf_head %= wrap;
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buf = gst_buffer_make_metadata_writable (buf);
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/* track original ts (= pts ?) for later */
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GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_TIMESTAMP (buf);
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GST_BUFFER_TIMESTAMP (buf) = ts;
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GST_DEBUG_OBJECT (qtmux, "next buffer uses reordered ts %" GST_TIME_FORMAT,
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GST_TIME_ARGS (ts));
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@ -2105,7 +2107,7 @@ again:
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* - collect some buffers and re-order timestamp,
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* then process the oldest buffer with smallest timestamps.
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* This should typically compensate for some codec's handywork with ts.
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* ... but in case this makes ts end up where not expected:
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* ... but in case this makes ts end up where not expected, in DTS_METHOD_ASC:
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* - keep each ts with its buffer and still keep a list of most recent X ts,
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* use the (ascending) minimum of those as DTS (and the difference as ts delta),
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* and use this DTS as a basis to obtain a (positive) CTS offset.
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@ -2273,7 +2275,9 @@ again:
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if ((pad->have_dts || qtmux->guess_pts) && pad->is_out_of_order) {
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guint64 pts;
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pts = gst_util_uint64_scale_round (GST_BUFFER_TIMESTAMP (last_buf),
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pts = qtmux->dts_method == DTS_METHOD_REORDER ?
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GST_BUFFER_OFFSET_END (last_buf) : GST_BUFFER_TIMESTAMP (last_buf);
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pts = gst_util_uint64_scale_round (pts,
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atom_trak_get_timescale (pad->trak), GST_SECOND);
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pts_offset = (gint64) (pts - last_dts);
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do_pts = TRUE;
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