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qtmux: robustify time tracking for sparse subtitle stream

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This commit is contained in:
Mark Nauwelaerts 2017-07-01 18:59:14 +02:00
parent d1d149ce82
commit f9f1a03653
1 changed files with 6 additions and 4 deletions
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10
gst/isomp4/gstqtmux.c
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@ -4226,8 +4226,8 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
} else {
nsamples = 1;
sample_size = buffer_size;
if ((buf && GST_BUFFER_DTS_IS_VALID (buf))
|| GST_BUFFER_DTS_IS_VALID (last_buf)) {
if (!pad->sparse && ((buf && GST_BUFFER_DTS_IS_VALID (buf))
|| GST_BUFFER_DTS_IS_VALID (last_buf))) {
gint64 scaled_dts;
if (buf && GST_BUFFER_DTS_IS_VALID (buf)) {
pad->last_dts = GST_BUFFER_DTS (buf);
@ -4355,8 +4355,10 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
empty_buf = pad->create_empty_buffer (pad, empty_duration);
empty_duration_scaled = gst_util_uint64_scale_round (empty_duration,
atom_trak_get_timescale (pad->trak), GST_SECOND);
pad->last_dts = GST_BUFFER_PTS (buf);
empty_duration_scaled = gst_util_uint64_scale_round (pad->last_dts,
atom_trak_get_timescale (pad->trak), GST_SECOND)
- (last_dts + scaled_duration);
empty_size = gst_buffer_get_size (empty_buf);
gst_qt_mux_register_buffer_in_chunk (qtmux, pad, empty_size,