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tsmux: Deterministically order PAT programs by number

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1510>
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Jan Alexander Steffens (heftig) 2022-01-10 12:59:58 +01:00 committed by GStreamer Marge Bot
parent 853178894e
commit b7ae1fa683
1 changed files with 12 additions and 0 deletions
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12
subprojects/gst-plugins-bad/gst/mpegtsmux/tsmux/tsmux.c
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@ -1656,6 +1656,16 @@ tsmux_program_set_pmt_pid (TsMuxProgram * program, guint16 pmt_pid)
program->pmt_pid = pmt_pid; program->pmt_pid = pmt_pid;
} }
static gint
compare_program_number (gconstpointer a, gconstpointer b)
{
const GstMpegtsPatProgram *pgm1 = *(const GstMpegtsPatProgram * const *) a;
const GstMpegtsPatProgram *pgm2 = *(const GstMpegtsPatProgram * const *) b;
gint num1 = pgm1->program_number, num2 = pgm2->program_number;
return num1 - num2;
}
static gboolean static gboolean
tsmux_write_pat (TsMux * mux) tsmux_write_pat (TsMux * mux)
{ {
@ -1685,6 +1695,8 @@ tsmux_write_pat (TsMux * mux)
g_ptr_array_add (pat, pat_pgm); g_ptr_array_add (pat, pat_pgm);
} }
g_ptr_array_sort (pat, compare_program_number);
if (mux->pat.section) if (mux->pat.section)
gst_mpegts_section_unref (mux->pat.section); gst_mpegts_section_unref (mux->pat.section);