@@ -810,6 +810,8 @@ Option mpegts_flags may take a set of such flags:

 Reemit PAT/PMT before writing the next packet.

 @item latm

 Use LATM packetization for AAC.

+@item pat_pmt_at_frames

+Reemit PAT and PMT at each video frame.

 @end table

 @subsection Example

@@ -98,6 +98,7 @@ typedef struct MpegTSWrite {

     int pcr_period;

 #define MPEGTS_FLAG_REEMIT_PAT_PMT  0x01

 #define MPEGTS_FLAG_AAC_LATM        0x02

+#define MPEGTS_FLAG_PAT_PMT_AT_FRAMES           0x04

     int flags;

     int copyts;

     int tables_version;

@@ -971,6 +972,11 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st,

     int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE);

     int force_pat = st->codec->codec_type == AVMEDIA_TYPE_VIDEO && key && !ts_st->prev_payload_key;

+    av_assert0(ts_st->payload != buf || st->codec->codec_type != AVMEDIA_TYPE_VIDEO);

+    if (ts->flags & MPEGTS_FLAG_PAT_PMT_AT_FRAMES && st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {

+        force_pat = 1;

+    }

+

     is_start = 1;

     while (payload_size > 0) {

         retransmit_si_info(s, force_pat);

@@ -1505,6 +1511,9 @@ static const AVOption options[] = {

     { "latm", "Use LATM packetization for AAC",

       0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_AAC_LATM }, 0, INT_MAX,

       AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },

+    { "pat_pmt_at_frames", "Reemit PAT and PMT at each video frame",

+      0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_PAT_PMT_AT_FRAMES}, 0, INT_MAX,

+      AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },

     // backward compatibility

     { "resend_headers", "Reemit PAT/PMT before writing the next packet",

       offsetof(MpegTSWrite, reemit_pat_pmt), AV_OPT_TYPE_INT,