@@ -580,6 +580,16 @@ typedef struct SectionHeader {

     uint8_t last_sec_num;

 } SectionHeader;

+static int skip_identical(const SectionHeader *h, MpegTSSectionFilter *tssf)

+{

+    if (h->version == tssf->last_ver)

+        return 1;

+

+    tssf->last_ver = h->version;

+

+    return 0;

+}

+

 static inline int get8(const uint8_t **pp, const uint8_t *p_end)

 {

     const uint8_t *p;

@@ -1469,9 +1479,8 @@ static void m4sl_cb(MpegTSFilter *filter, const uint8_t *section,

         return;

     if (h.tid != M4OD_TID)

         return;

-    if (h.version == tssf->last_ver)

+    if (skip_identical(&h, tssf))

         return;

-    tssf->last_ver = h.version;

     mp4_read_od(s, p, (unsigned) (p_end - p), mp4_descr, &mp4_descr_count,

                 MAX_MP4_DESCR_COUNT);

@@ -1816,9 +1825,8 @@ static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len

     p = section;

     if (parse_section_header(h, &p, p_end) < 0)

         return;

-    if (h->version == tssf->last_ver)

+    if (skip_identical(h, tssf))

         return;

-    tssf->last_ver = h->version;

     av_log(ts->stream, AV_LOG_TRACE, "sid=0x%x sec_num=%d/%d version=%d\n",

             h->id, h->sec_num, h->last_sec_num, h->version);

@@ -1986,9 +1994,8 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len

     if (ts->skip_changes)

         return;

-    if (h->version == tssf->last_ver)

+    if (skip_identical(h, tssf))

         return;

-    tssf->last_ver = h->version;

     ts->stream->ts_id = h->id;

     clear_programs(ts);

@@ -2061,9 +2068,8 @@ static void sdt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len

         return;

     if (ts->skip_changes)

         return;

-    if (h->version == tssf->last_ver)

+    if (skip_identical(h, tssf))

         return;

-    tssf->last_ver = h->version;

     onid = get16(&p, p_end);

     if (onid < 0)