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tsdemux: Disable smart program update

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The goal of this code was, for programs which were updates (i.e. adding/removing
streams but not completely changing) to allow dynamic addition/removal of
streams without completely removing everything.

But this wasn't 100% tested and there are a bunch of issues which make it fail
in plenty of ways.

For now disable that feature and force the legacy "add all pads again and then
remove old ones" behaviour to make it switch.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6708>
This commit is contained in:
Edward Hervey 2024-04-16 09:50:52 +02:00 committed by Backport Bot
parent 210a225ad2
commit 228c75a336
1 changed files with 9 additions and 1 deletions
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10
subprojects/gst-plugins-bad/gst/mpegtsdemux/mpegtsbase.c
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@ -684,6 +684,7 @@ mpegts_base_program_remove_stream (MpegTSBase * base,
program->streams[pid] = NULL;
}
#if 0 /* Smart-update disabled */
/* Check if pmtstream is already present in the program */
static inline gboolean
_stream_in_pmt (const GstMpegtsPMT * pmt, MpegTSBaseStream * stream)
@ -768,7 +769,7 @@ mpegts_base_update_program (MpegTSBase * base, MpegTSBaseProgram * program,
g_list_free (toremove);
return TRUE;
}
#endif
static gboolean
_stream_is_private_section (const GstMpegtsPMT * pmt,
@ -862,6 +863,7 @@ mpegts_base_is_same_program (MpegTSBase * base, MpegTSBaseProgram * oldprogram,
return TRUE;
}
#if 0 /* Smart-update disabled */
/* Return TRUE if program is an update
*
* A program is equal if:
@ -923,6 +925,7 @@ mpegts_base_is_program_update (MpegTSBase * base,
GST_DEBUG ("Program is not an update of the previous one");
return FALSE;
}
#endif
static void
mpegts_base_deactivate_program (MpegTSBase * base, MpegTSBaseProgram * program)
@ -1208,6 +1211,8 @@ mpegts_base_apply_pmt (MpegTSBase * base, GstMpegtsSection * section)
pmt)))
goto same_program;
#if 0
/* parsebin doesn't support program update properly. Disable this feature for now */
if (base->streams_aware
&& mpegts_base_is_program_update (base, old_program, section->pid, pmt)) {
GST_FIXME ("We are streams_aware and new program is an update");
@ -1215,6 +1220,7 @@ mpegts_base_apply_pmt (MpegTSBase * base, GstMpegtsSection * section)
mpegts_base_update_program (base, old_program, section, pmt);
goto beach;
}
#endif
/* If the current program is active, this means we have a new program */
if (old_program->active) {
@ -1247,7 +1253,9 @@ mpegts_base_apply_pmt (MpegTSBase * base, GstMpegtsSection * section)
mpegts_base_activate_program (base, program, section->pid, section, pmt,
initial_program);
#if 0 /* Smart-update disabled */
beach:
#endif
GST_DEBUG ("Done activating program");
return TRUE;