+diff -u a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
+--- a/libavformat/mpegtsenc.c 2020-06-15 12:54:24.000000000 -0600
++++ b/libavformat/mpegtsenc.c 2020-07-10 11:21:45.303839343 -0600
+@@ -56,7 +56,8 @@
+ int sid; /* service ID */
+ uint8_t name[256];
+ uint8_t provider_name[256];
+- int pcr_pid;
++ int64_t pcr, pcr_packet_timer, pcr_packet_period;
++ int pcr_sid, pcr_pid;
+ AVProgram *program;
+ } MpegTSService;
+
+@@ -76,11 +77,12 @@
+ MpegTSSection pat; /* MPEG-2 PAT table */
+ MpegTSSection sdt; /* MPEG-2 SDT table context */
+ MpegTSService **services;
+- int64_t sdt_period; /* SDT period in PCR time base */
+- int64_t pat_period; /* PAT/PMT period in PCR time base */
++ int64_t sdt_packet_timer, sdt_packet_period;
++ int64_t pat_packet_timer, pat_packet_period;
+ int nb_services;
+- int64_t first_pcr;
+- int64_t next_pcr;
++ int onid;
++ int tsid;
++ int64_t pcr, first_pcr, delay;
+ int mux_rate; ///< set to 1 when VBR
+ int pes_payload_size;
+
+@@ -90,14 +92,14 @@
+ int service_type;
+
+ int pmt_start_pid;
++ int pcr_start_pid;
+ int start_pid;
+ int m2ts_mode;
+- int m2ts_video_pid;
+- int m2ts_audio_pid;
+- int m2ts_pgssub_pid;
+- int m2ts_textsub_pid;
++ int64_t ts_offset;
+
+- int pcr_period_ms;
++ int reemit_pat_pmt; // backward compatibility
++
++ double pcr_period;
+ #define MPEGTS_FLAG_REEMIT_PAT_PMT 0x01
+ #define MPEGTS_FLAG_AAC_LATM 0x02
+ #define MPEGTS_FLAG_PAT_PMT_AT_FRAMES 0x04
+@@ -106,10 +108,8 @@
+ int flags;
+ int copyts;
+ int tables_version;
+- int64_t pat_period_us;
+- int64_t sdt_period_us;
+- int64_t last_pat_ts;
+- int64_t last_sdt_ts;
++ double pat_period;
++ double sdt_period;
+
+ int omit_video_pes_length;
+ } MpegTSWrite;
+@@ -217,14 +217,15 @@
+ /* mpegts writer */
+
+ #define DEFAULT_PROVIDER_NAME "FFmpeg"
+-#define DEFAULT_SERVICE_NAME "Service"
++#define DEFAULT_SERVICE_NAME "Service01"
+
+-/* we retransmit the SI info at this rate */
++/* we retransmit the SI info at this rate (ms) */
+ #define SDT_RETRANS_TIME 500
+ #define PAT_RETRANS_TIME 100
+-#define PCR_RETRANS_TIME 20
++#define PCR_RETRANS_TIME 50
+
+ typedef struct MpegTSWriteStream {
++ struct MpegTSService *service;
+ int pid; /* stream associated pid */
+ int cc;
+ int discontinuity;
+@@ -236,10 +237,7 @@
+ int payload_flags;
+ uint8_t *payload;
+ AVFormatContext *amux;
+- int data_st_warning;
+-
+- int64_t pcr_period; /* PCR period in PCR time base */
+- int64_t last_pcr;
++ AVRational user_tb;
+
+ /* For Opus */
+ int opus_queued_samples;
+@@ -259,7 +257,7 @@
+ put16(&q, service->sid);
+ put16(&q, 0xe000 | service->pmt.pid);
+ }
+- mpegts_write_section1(&ts->pat, PAT_TID, ts->transport_stream_id, ts->tables_version, 0, 0,
++ mpegts_write_section1(&ts->pat, PAT_TID, ts->tsid, ts->tables_version, 0, 0,
+ data, q - data);
+ }
+
+@@ -281,148 +279,6 @@
+ *q_ptr = q;
+ }
+
+-static int get_dvb_stream_type(AVFormatContext *s, AVStream *st)
+-{
+- MpegTSWrite *ts = s->priv_data;
+- MpegTSWriteStream *ts_st = st->priv_data;
+- int stream_type;
+-
+- switch (st->codecpar->codec_id) {
+- case AV_CODEC_ID_MPEG1VIDEO:
+- case AV_CODEC_ID_MPEG2VIDEO:
+- stream_type = STREAM_TYPE_VIDEO_MPEG2;
+- break;
+- case AV_CODEC_ID_MPEG4:
+- stream_type = STREAM_TYPE_VIDEO_MPEG4;
+- break;
+- case AV_CODEC_ID_H264:
+- stream_type = STREAM_TYPE_VIDEO_H264;
+- break;
+- case AV_CODEC_ID_HEVC:
+- stream_type = STREAM_TYPE_VIDEO_HEVC;
+- break;
+- case AV_CODEC_ID_CAVS:
+- stream_type = STREAM_TYPE_VIDEO_CAVS;
+- break;
+- case AV_CODEC_ID_DIRAC:
+- stream_type = STREAM_TYPE_VIDEO_DIRAC;
+- break;
+- case AV_CODEC_ID_VC1:
+- stream_type = STREAM_TYPE_VIDEO_VC1;
+- break;
+- case AV_CODEC_ID_MP2:
+- case AV_CODEC_ID_MP3:
+- if ( st->codecpar->sample_rate > 0
+- && st->codecpar->sample_rate < 32000) {
+- stream_type = STREAM_TYPE_AUDIO_MPEG2;
+- } else {
+- stream_type = STREAM_TYPE_AUDIO_MPEG1;
+- }
+- break;
+- case AV_CODEC_ID_AAC:
+- stream_type = (ts->flags & MPEGTS_FLAG_AAC_LATM)
+- ? STREAM_TYPE_AUDIO_AAC_LATM
+- : STREAM_TYPE_AUDIO_AAC;
+- break;
+- case AV_CODEC_ID_AAC_LATM:
+- stream_type = STREAM_TYPE_AUDIO_AAC_LATM;
+- break;
+- case AV_CODEC_ID_AC3:
+- stream_type = (ts->flags & MPEGTS_FLAG_SYSTEM_B)
+- ? STREAM_TYPE_PRIVATE_DATA
+- : STREAM_TYPE_AUDIO_AC3;
+- break;
+- case AV_CODEC_ID_EAC3:
+- stream_type = (ts->flags & MPEGTS_FLAG_SYSTEM_B)
+- ? STREAM_TYPE_PRIVATE_DATA
+- : STREAM_TYPE_AUDIO_EAC3;
+- break;
+- case AV_CODEC_ID_DTS:
+- stream_type = STREAM_TYPE_AUDIO_DTS;
+- break;
+- case AV_CODEC_ID_TRUEHD:
+- stream_type = STREAM_TYPE_AUDIO_TRUEHD;
+- break;
+- case AV_CODEC_ID_OPUS:
+- stream_type = STREAM_TYPE_PRIVATE_DATA;
+- break;
+- case AV_CODEC_ID_TIMED_ID3:
+- stream_type = STREAM_TYPE_METADATA;
+- break;
+- case AV_CODEC_ID_DVB_SUBTITLE:
+- case AV_CODEC_ID_DVB_TELETEXT:
+- stream_type = STREAM_TYPE_PRIVATE_DATA;
+- break;
+- case AV_CODEC_ID_SMPTE_KLV:
+- if (st->codecpar->profile == FF_PROFILE_KLVA_SYNC) {
+- stream_type = STREAM_TYPE_METADATA;
+- } else {
+- stream_type = STREAM_TYPE_PRIVATE_DATA;
+- }
+- break;
+- default:
+- av_log_once(s, AV_LOG_WARNING, AV_LOG_DEBUG, &ts_st->data_st_warning,
+- "Stream %d, codec %s, is muxed as a private data stream "
+- "and may not be recognized upon reading.\n", st->index,
+- avcodec_get_name(st->codecpar->codec_id));
+- stream_type = STREAM_TYPE_PRIVATE_DATA;
+- break;
+- }
+-
+- return stream_type;
+-}
+-
+-static int get_m2ts_stream_type(AVFormatContext *s, AVStream *st)
+-{
+- int stream_type;
+- MpegTSWriteStream *ts_st = st->priv_data;
+-
+- switch (st->codecpar->codec_id) {
+- case AV_CODEC_ID_MPEG2VIDEO:
+- stream_type = STREAM_TYPE_VIDEO_MPEG2;
+- break;
+- case AV_CODEC_ID_H264:
+- stream_type = STREAM_TYPE_VIDEO_H264;
+- break;
+- case AV_CODEC_ID_VC1:
+- stream_type = STREAM_TYPE_VIDEO_VC1;
+- break;
+- case AV_CODEC_ID_HEVC:
+- stream_type = STREAM_TYPE_VIDEO_HEVC;
+- break;
+- case AV_CODEC_ID_PCM_BLURAY:
+- stream_type = 0x80;
+- break;
+- case AV_CODEC_ID_AC3:
+- stream_type = 0x81;
+- break;
+- case AV_CODEC_ID_DTS:
+- stream_type = (st->codecpar->channels > 6) ? 0x85 : 0x82;
+- break;
+- case AV_CODEC_ID_TRUEHD:
+- stream_type = 0x83;
+- break;
+- case AV_CODEC_ID_EAC3:
+- stream_type = 0x84;
+- break;
+- case AV_CODEC_ID_HDMV_PGS_SUBTITLE:
+- stream_type = 0x90;
+- break;
+- case AV_CODEC_ID_HDMV_TEXT_SUBTITLE:
+- stream_type = 0x92;
+- break;
+- default:
+- av_log_once(s, AV_LOG_WARNING, AV_LOG_DEBUG, &ts_st->data_st_warning,
+- "Stream %d, codec %s, is muxed as a private data stream "
+- "and may not be recognized upon reading.\n", st->index,
+- avcodec_get_name(st->codecpar->codec_id));
+- stream_type = STREAM_TYPE_PRIVATE_DATA;
+- break;
+- }
+-
+- return stream_type;
+-}
+-
+ static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service)
+ {
+ MpegTSWrite *ts = s->priv_data;
+@@ -436,14 +292,6 @@
+ q += 2; /* patched after */
+
+ /* put program info here */
+- if (ts->m2ts_mode) {
+- put_registration_descriptor(&q, MKTAG('H', 'D', 'M', 'V'));
+- *q++ = 0x88; // descriptor_tag - hdmv_copy_control_descriptor
+- *q++ = 0x04; // descriptor_length
+- put16(&q, 0x0fff); // CA_System_ID
+- *q++ = 0xfc; // private_data_byte
+- *q++ = 0xfc; // private_data_byte
+- }
+
+ val = 0xf000 | (q - program_info_length_ptr - 2);
+ program_info_length_ptr[0] = val >> 8;
+@@ -472,8 +320,72 @@
+ err = 1;
+ break;
+ }
+-
+- stream_type = ts->m2ts_mode ? get_m2ts_stream_type(s, st) : get_dvb_stream_type(s, st);
++ switch (st->codecpar->codec_id) {
++ case AV_CODEC_ID_MPEG1VIDEO:
++ case AV_CODEC_ID_MPEG2VIDEO:
++ stream_type = STREAM_TYPE_VIDEO_MPEG2;
++ break;
++ case AV_CODEC_ID_MPEG4:
++ stream_type = STREAM_TYPE_VIDEO_MPEG4;
++ break;
++ case AV_CODEC_ID_H264:
++ stream_type = STREAM_TYPE_VIDEO_H264;
++ break;
++ case AV_CODEC_ID_HEVC:
++ stream_type = STREAM_TYPE_VIDEO_HEVC;
++ break;
++ case AV_CODEC_ID_CAVS:
++ stream_type = STREAM_TYPE_VIDEO_CAVS;
++ break;
++ case AV_CODEC_ID_DIRAC:
++ stream_type = STREAM_TYPE_VIDEO_DIRAC;
++ break;
++ case AV_CODEC_ID_VC1:
++ stream_type = STREAM_TYPE_VIDEO_VC1;
++ break;
++ case AV_CODEC_ID_MP2:
++ case AV_CODEC_ID_MP3:
++ if ( st->codecpar->sample_rate > 0
++ && st->codecpar->sample_rate < 32000) {
++ stream_type = STREAM_TYPE_AUDIO_MPEG2;
++ } else {
++ stream_type = STREAM_TYPE_AUDIO_MPEG1;
++ }
++ break;
++ case AV_CODEC_ID_AAC:
++ stream_type = (ts->flags & MPEGTS_FLAG_AAC_LATM)
++ ? STREAM_TYPE_AUDIO_AAC_LATM
++ : STREAM_TYPE_AUDIO_AAC;
++ break;
++ case AV_CODEC_ID_AAC_LATM:
++ stream_type = STREAM_TYPE_AUDIO_AAC_LATM;
++ break;
++ case AV_CODEC_ID_AC3:
++ stream_type = (ts->flags & MPEGTS_FLAG_SYSTEM_B)
++ ? STREAM_TYPE_PRIVATE_DATA
++ : STREAM_TYPE_AUDIO_AC3;
++ break;
++ case AV_CODEC_ID_EAC3:
++ stream_type = (ts->flags & MPEGTS_FLAG_SYSTEM_B)
++ ? STREAM_TYPE_PRIVATE_DATA
++ : STREAM_TYPE_AUDIO_EAC3;
++ break;
++ case AV_CODEC_ID_DTS:
++ stream_type = STREAM_TYPE_AUDIO_DTS;
++ break;
++ case AV_CODEC_ID_TRUEHD:
++ stream_type = STREAM_TYPE_AUDIO_TRUEHD;
++ break;
++ case AV_CODEC_ID_OPUS:
++ stream_type = STREAM_TYPE_PRIVATE_DATA;
++ break;
++ case AV_CODEC_ID_TIMED_ID3:
++ stream_type = STREAM_TYPE_METADATA;
++ break;
++ default:
++ stream_type = STREAM_TYPE_PRIVATE_DATA;
++ break;
++ }
+
+ *q++ = stream_type;
+ put16(&q, 0xe000 | ts_st->pid);
+@@ -736,7 +648,7 @@
+ int i, running_status, free_ca_mode, val;
+
+ q = data;
+- put16(&q, ts->original_network_id);
++ put16(&q, ts->onid);
+ *q++ = 0xff;
+ for (i = 0; i < ts->nb_services; i++) {
+ service = ts->services[i];
+@@ -762,7 +674,7 @@
+ desc_list_len_ptr[0] = val >> 8;
+ desc_list_len_ptr[1] = val;
+ }
+- mpegts_write_section1(&ts->sdt, SDT_TID, ts->transport_stream_id, ts->tables_version, 0, 0,
++ mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, ts->tables_version, 0, 0,
+ data, q - data);
+ }
+
+@@ -802,49 +714,12 @@
+ return 0;
+ }
+
+-static int64_t get_pcr(const MpegTSWrite *ts, AVIOContext *pb)
+-{
+- return av_rescale(avio_tell(pb) + 11, 8 * PCR_TIME_BASE, ts->mux_rate) +
+- ts->first_pcr;
+-}
+-
+-static void write_packet(AVFormatContext *s, const uint8_t *packet)
+-{
+- MpegTSWrite *ts = s->priv_data;
+- if (ts->m2ts_mode) {
+- int64_t pcr = get_pcr(s->priv_data, s->pb);
+- uint32_t tp_extra_header = pcr % 0x3fffffff;
+- tp_extra_header = AV_RB32(&tp_extra_header);
+- avio_write(s->pb, (unsigned char *) &tp_extra_header,
+- sizeof(tp_extra_header));
+- }
+- avio_write(s->pb, packet, TS_PACKET_SIZE);
+-}
+-
+-static void section_write_packet(MpegTSSection *s, const uint8_t *packet)
+-{
+- AVFormatContext *ctx = s->opaque;
+- write_packet(ctx, packet);
+-}
+-
+ static MpegTSService *mpegts_add_service(AVFormatContext *s, int sid,
+- const AVDictionary *metadata,
+- AVProgram *program)
++ const char *provider_name,
++ const char *name)
+ {
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSService *service;
+- AVDictionaryEntry *title, *provider;
+- char default_service_name[32];
+- const char *service_name;
+- const char *provider_name;
+-
+- title = av_dict_get(metadata, "service_name", NULL, 0);
+- if (!title)
+- title = av_dict_get(metadata, "title", NULL, 0);
+- snprintf(default_service_name, sizeof(default_service_name), "%s%02d", DEFAULT_SERVICE_NAME, ts->nb_services + 1);
+- service_name = title ? title->value : default_service_name;
+- provider = av_dict_get(metadata, "service_provider", NULL, 0);
+- provider_name = provider ? provider->value : DEFAULT_PROVIDER_NAME;
+
+ service = av_mallocz(sizeof(MpegTSService));
+ if (!service)
+@@ -852,92 +727,57 @@
+ service->pmt.pid = ts->pmt_start_pid + ts->nb_services;
+ service->sid = sid;
+ service->pcr_pid = 0x1fff;
++ service->pcr_sid = 0x1fff;
+ if (encode_str8(service->provider_name, provider_name) < 0 ||
+- encode_str8(service->name, service_name) < 0) {
++ encode_str8(service->name, name) < 0) {
+ av_log(s, AV_LOG_ERROR, "Too long service or provider name\n");
+ goto fail;
+ }
+ if (av_dynarray_add_nofree(&ts->services, &ts->nb_services, service) < 0)
+ goto fail;
+
+- service->pmt.write_packet = section_write_packet;
+- service->pmt.opaque = s;
+- service->pmt.cc = 15;
+- service->pmt.discontinuity= ts->flags & MPEGTS_FLAG_DISCONT;
+- service->program = program;
+-
+ return service;
+ fail:
+ av_free(service);
+ return NULL;
+ }
+
+-static void enable_pcr_generation_for_stream(AVFormatContext *s, AVStream *pcr_st)
++static void mpegts_prefix_m2ts_header(AVFormatContext *s)
+ {
+ MpegTSWrite *ts = s->priv_data;
+- MpegTSWriteStream *ts_st = pcr_st->priv_data;
+-
+- if (ts->mux_rate > 1 || ts->pcr_period_ms >= 0) {
+- int pcr_period_ms = ts->pcr_period_ms == -1 ? PCR_RETRANS_TIME : ts->pcr_period_ms;
+- ts_st->pcr_period = av_rescale(pcr_period_ms, PCR_TIME_BASE, 1000);
+- } else {
+- /* By default, for VBR we select the highest multiple of frame duration which is less than 100 ms. */
+- int64_t frame_period = 0;
+- if (pcr_st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
+- int frame_size = av_get_audio_frame_duration2(pcr_st->codecpar, 0);
+- if (!frame_size) {
+- av_log(s, AV_LOG_WARNING, "frame size not set\n");
+- frame_size = 512;
+- }
+- frame_period = av_rescale_rnd(frame_size, PCR_TIME_BASE, pcr_st->codecpar->sample_rate, AV_ROUND_UP);
+- } else if (pcr_st->avg_frame_rate.num) {
+- frame_period = av_rescale_rnd(pcr_st->avg_frame_rate.den, PCR_TIME_BASE, pcr_st->avg_frame_rate.num, AV_ROUND_UP);
+- }
+- if (frame_period > 0 && frame_period <= PCR_TIME_BASE / 10)
+- ts_st->pcr_period = frame_period * (PCR_TIME_BASE / 10 / frame_period);
+- else
+- ts_st->pcr_period = 1;
++ if (ts->m2ts_mode) {
++ uint32_t tp_extra_header = ts->pcr % 0x3fffffff;
++ tp_extra_header = AV_RB32(&tp_extra_header);
++ avio_write(s->pb, (unsigned char *) &tp_extra_header,
++ sizeof(tp_extra_header));
+ }
+-
+- // output a PCR as soon as possible
+- ts_st->last_pcr = ts->first_pcr - ts_st->pcr_period;
+ }
+
+-static void select_pcr_streams(AVFormatContext *s)
++static void section_write_packet(MpegTSSection *s, const uint8_t *packet)
+ {
+- MpegTSWrite *ts = s->priv_data;
+-
+- for (int i = 0; i < ts->nb_services; i++) {
+- MpegTSService *service = ts->services[i];
+- AVStream *pcr_st = NULL;
+- AVProgram *program = service->program;
+- int nb_streams = program ? program->nb_stream_indexes : s->nb_streams;
+-
+- for (int j = 0; j < nb_streams; j++) {
+- AVStream *st = s->streams[program ? program->stream_index[j] : j];
+- if (!pcr_st ||
+- pcr_st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)
+- {
+- pcr_st = st;
+- }
+- }
+-
+- if (pcr_st) {
+- MpegTSWriteStream *ts_st = pcr_st->priv_data;
+- service->pcr_pid = ts_st->pid;
+- enable_pcr_generation_for_stream(s, pcr_st);
+- av_log(s, AV_LOG_VERBOSE, "service %i using PCR in pid=%i, pcr_period=%"PRId64"ms\n",
+- service->sid, service->pcr_pid, av_rescale(ts_st->pcr_period, 1000, PCR_TIME_BASE));
+- }
+- }
++ AVFormatContext *ctx = s->opaque;
++ mpegts_prefix_m2ts_header(ctx);
++ avio_write(ctx->pb, packet, TS_PACKET_SIZE);
+ }
+
+ static int mpegts_init(AVFormatContext *s)
+ {
+ MpegTSWrite *ts = s->priv_data;
++ MpegTSWriteStream *ts_st;
++ MpegTSService *service;
++ AVStream *st, *pcr_st = NULL;
++ AVDictionaryEntry *title, *provider;
++ double clk_rate;
+ int i, j;
++ const char *service_name;
++ const char *provider_name;
++ int *pids;
+ int ret;
+
++ if (s->max_delay < 0) /* Not set by the caller */
++ s->max_delay = 0;
++ ts->delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE);
++
+ if (ts->m2ts_mode == -1) {
+ if (av_match_ext(s->url, "m2ts")) {
+ ts->m2ts_mode = 1;
+@@ -946,36 +786,53 @@
+ }
+ }
+
+- ts->m2ts_video_pid = M2TS_VIDEO_PID;
+- ts->m2ts_audio_pid = M2TS_AUDIO_START_PID;
+- ts->m2ts_pgssub_pid = M2TS_PGSSUB_START_PID;
+- ts->m2ts_textsub_pid = M2TS_TEXTSUB_PID;
+-
+- if (ts->m2ts_mode) {
+- ts->pmt_start_pid = M2TS_PMT_PID;
+- if (s->nb_programs > 1) {
+- av_log(s, AV_LOG_ERROR, "Only one program is allowed in m2ts mode!\n");
+- return AVERROR(EINVAL);
+- }
+- }
+-
+- if (s->max_delay < 0) /* Not set by the caller */
+- s->max_delay = 0;
+-
+ // round up to a whole number of TS packets
+ ts->pes_payload_size = (ts->pes_payload_size + 14 + 183) / 184 * 184 - 14;
+
++ ts->tsid = ts->transport_stream_id;
++ ts->onid = ts->original_network_id;
+ if (!s->nb_programs) {
+ /* allocate a single DVB service */
+- if (!mpegts_add_service(s, ts->service_id, s->metadata, NULL))
++ title = av_dict_get(s->metadata, "service_name", NULL, 0);
++ if (!title)
++ title = av_dict_get(s->metadata, "title", NULL, 0);
++ service_name = title ? title->value : DEFAULT_SERVICE_NAME;
++ provider = av_dict_get(s->metadata, "service_provider", NULL, 0);
++ provider_name = provider ? provider->value : DEFAULT_PROVIDER_NAME;
++ service = mpegts_add_service(s, ts->service_id,
++ provider_name, service_name);
++
++ if (!service)
+ return AVERROR(ENOMEM);
++
++ service->pmt.write_packet = section_write_packet;
++ service->pmt.opaque = s;
++ service->pmt.cc = 15;
++ service->pmt.discontinuity= ts->flags & MPEGTS_FLAG_DISCONT;
+ } else {
+ for (i = 0; i < s->nb_programs; i++) {
+ AVProgram *program = s->programs[i];
+- if (!mpegts_add_service(s, program->id, program->metadata, program))
++ title = av_dict_get(program->metadata, "service_name", NULL, 0);
++ if (!title)
++ title = av_dict_get(program->metadata, "title", NULL, 0);
++ service_name = title ? title->value : DEFAULT_SERVICE_NAME;
++ provider = av_dict_get(program->metadata, "service_provider", NULL, 0);
++ provider_name = provider ? provider->value : DEFAULT_PROVIDER_NAME;
++ service = mpegts_add_service(s, program->id,
++ provider_name, service_name);
++
++ if (!service)
+ return AVERROR(ENOMEM);
++
++ service->pmt.write_packet = section_write_packet;
++ service->pmt.opaque = s;
++ service->pmt.cc = 15;
++ service->pmt.discontinuity= ts->flags & MPEGTS_FLAG_DISCONT;
++ service->program = program;
+ }
+ }
++ if (ts->m2ts_mode > 1)
++ service->pmt.pid = 0x00ff + ts->service_id;
+
+ ts->pat.pid = PAT_PID;
+ /* Initialize at 15 so that it wraps and is equal to 0 for the
+@@ -991,158 +848,175 @@
+ ts->sdt.write_packet = section_write_packet;
+ ts->sdt.opaque = s;
+
++ pids = av_malloc_array(s->nb_streams, sizeof(*pids));
++ if (!pids) {
++ ret = AVERROR(ENOMEM);
++ goto fail;
++ }
++
+ /* assign pids to each stream */
+ for (i = 0; i < s->nb_streams; i++) {
+- AVStream *st = s->streams[i];
+- MpegTSWriteStream *ts_st;
++ AVProgram *program;
++ st = s->streams[i];
+
+ ts_st = av_mallocz(sizeof(MpegTSWriteStream));
+ if (!ts_st) {
+- return AVERROR(ENOMEM);
++ ret = AVERROR(ENOMEM);
++ goto fail;
+ }
+ st->priv_data = ts_st;
+
++ ts_st->user_tb = st->time_base;
+ avpriv_set_pts_info(st, 33, 1, 90000);
+
+ ts_st->payload = av_mallocz(ts->pes_payload_size);
+ if (!ts_st->payload) {
+- return AVERROR(ENOMEM);
++ ret = AVERROR(ENOMEM);
++ goto fail;
+ }
+
+- /* MPEG pid values < 16 are reserved. Applications which set st->id in
+- * this range are assigned a calculated pid. */
+- if (st->id < 16) {
+- if (ts->m2ts_mode) {
+- switch (st->codecpar->codec_type) {
+- case AVMEDIA_TYPE_VIDEO:
+- ts_st->pid = ts->m2ts_video_pid++;
++ program = av_find_program_from_stream(s, NULL, i);
++ if (program) {
++ for (j = 0; j < ts->nb_services; j++) {
++ if (ts->services[j]->program == program) {
++ service = ts->services[j];
+ break;
+- case AVMEDIA_TYPE_AUDIO:
+- ts_st->pid = ts->m2ts_audio_pid++;
+- break;
+- case AVMEDIA_TYPE_SUBTITLE:
+- switch (st->codecpar->codec_id) {
+- case AV_CODEC_ID_HDMV_PGS_SUBTITLE:
+- ts_st->pid = ts->m2ts_pgssub_pid++;
+- break;
+- case AV_CODEC_ID_HDMV_TEXT_SUBTITLE:
+- ts_st->pid = ts->m2ts_textsub_pid++;
+- break;
+- }
+- break;
+- }
+- if (ts->m2ts_video_pid > M2TS_VIDEO_PID + 1 ||
+- ts->m2ts_audio_pid > M2TS_AUDIO_START_PID + 32 ||
+- ts->m2ts_pgssub_pid > M2TS_PGSSUB_START_PID + 32 ||
+- ts->m2ts_textsub_pid > M2TS_TEXTSUB_PID + 1 ||
+- ts_st->pid < 16) {
+- av_log(s, AV_LOG_ERROR, "Cannot automatically assign PID for stream %d\n", st->index);
+- return AVERROR(EINVAL);
+ }
+- } else {
+- ts_st->pid = ts->start_pid + i;
+ }
+- } else {
+- ts_st->pid = st->id;
+ }
+- if (ts_st->pid >= 0x1FFF) {
++
++ ts_st->service = service;
++ /* MPEG pid values < 16 are reserved. Applications which set st->id in
++ * this range are assigned a calculated pid. */
++ if (st->id < 16) {
++ ts_st->pid = ts->start_pid + i;
++ } else if (st->id < 0x1FFF) {
++ ts_st->pid = st->id;
++ } else {
+ av_log(s, AV_LOG_ERROR,
+ "Invalid stream id %d, must be less than 8191\n", st->id);
+- return AVERROR(EINVAL);
++ ret = AVERROR(EINVAL);
++ goto fail;
+ }
+- for (j = 0; j < ts->nb_services; j++) {
+- if (ts->services[j]->pmt.pid > LAST_OTHER_PID) {
+- av_log(s, AV_LOG_ERROR,
+- "Invalid PMT PID %d, must be less than %d\n", ts->services[j]->pmt.pid, LAST_OTHER_PID + 1);
+- return AVERROR(EINVAL);
+- }
+- if (ts_st->pid == ts->services[j]->pmt.pid) {
+- av_log(s, AV_LOG_ERROR, "PID %d cannot be both elementary and PMT PID\n", ts_st->pid);
+- return AVERROR(EINVAL);
+- }
++ if (ts_st->pid == service->pmt.pid) {
++ av_log(s, AV_LOG_ERROR, "Duplicate stream id %d\n", ts_st->pid);
++ ret = AVERROR(EINVAL);
++ goto fail;
+ }
+ for (j = 0; j < i; j++) {
+- MpegTSWriteStream *ts_st_prev = s->streams[j]->priv_data;
+- if (ts_st_prev->pid == ts_st->pid) {
++ if (pids[j] == ts_st->pid) {
+ av_log(s, AV_LOG_ERROR, "Duplicate stream id %d\n", ts_st->pid);
+- return AVERROR(EINVAL);
++ ret = AVERROR(EINVAL);
++ goto fail;
+ }
+ }
++ pids[i] = ts_st->pid;
+ ts_st->payload_pts = AV_NOPTS_VALUE;
+ ts_st->payload_dts = AV_NOPTS_VALUE;
+ ts_st->first_pts_check = 1;
+ ts_st->cc = 15;
+ ts_st->discontinuity = ts->flags & MPEGTS_FLAG_DISCONT;
++ /* update PCR pid by using the first video stream */
++ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
++ service->pcr_sid == 0x1fff)
++ pcr_st = st;
++
+ if (st->codecpar->codec_id == AV_CODEC_ID_AAC &&
+ st->codecpar->extradata_size > 0) {
+ AVStream *ast;
+ ts_st->amux = avformat_alloc_context();
+ if (!ts_st->amux) {
+- return AVERROR(ENOMEM);
++ ret = AVERROR(ENOMEM);
++ goto fail;
+ }
+ ts_st->amux->oformat =
+ av_guess_format((ts->flags & MPEGTS_FLAG_AAC_LATM) ? "latm" : "adts",
+ NULL, NULL);
+ if (!ts_st->amux->oformat) {
+- return AVERROR(EINVAL);
++ ret = AVERROR(EINVAL);
++ goto fail;
+ }
+ if (!(ast = avformat_new_stream(ts_st->amux, NULL))) {
+- return AVERROR(ENOMEM);
++ ret = AVERROR(ENOMEM);
++ goto fail;
+ }
+ ret = avcodec_parameters_copy(ast->codecpar, st->codecpar);
+ if (ret != 0)
+- return ret;
++ goto fail;
+ ast->time_base = st->time_base;
+ ret = avformat_write_header(ts_st->amux, NULL);
+ if (ret < 0)
+- return ret;
++ goto fail;
+ }
+ if (st->codecpar->codec_id == AV_CODEC_ID_OPUS) {
+ ts_st->opus_pending_trim_start = st->codecpar->initial_padding * 48000 / st->codecpar->sample_rate;
+ }
+ }
+
++ av_freep(&pids);
++
++ /* if no video stream, use the first stream as PCR */
++ if (!pcr_st && s->nb_streams > 0)
++ pcr_st = s->streams[0];
++ if (!pcr_st) {
++ av_log(s, AV_LOG_ERROR, "no streams\n");
++ ret = AVERROR(EINVAL);
++ goto fail;
++ }
++ ts_st = pcr_st->priv_data;
++ if (service->pcr_sid == 0x1fff)
++ service->pcr_sid = ts_st->pid;
++ if (service->pcr_pid == 0x1fff)
++ service->pcr_pid = ts->m2ts_mode > 1 ?
++ 0x1000 + ts->service_id : service->pcr_sid ;
++ if (service->pmt.pid == service->pcr_pid) {
++ av_log(s, AV_LOG_ERROR, "Duplicate stream id %d\n", service->pcr_pid);
++ ret = AVERROR(EINVAL);
++ goto fail;
++ }
++
++ clk_rate = ts->mux_rate > 1 ? ts->mux_rate : PCR_TIME_BASE;
++ ts->sdt_packet_period = ts->sdt_period < 0 ? -1 : ts->sdt_period/1000 * clk_rate;
++ ts->pat_packet_period = ts->pat_period/1000 * clk_rate;
++ service->pcr_packet_period = ts->pcr_period/1000 * clk_rate;
++ if (service->pcr_packet_period < (TS_PACKET_SIZE*8*10))
++ service->pcr_packet_period = (TS_PACKET_SIZE*8*10);
++ av_log(s, AV_LOG_VERBOSE, "clk_rate %f: ticks/pkt %d pcr, %d sdt, %d pmt\n", clk_rate,
++ (int)service->pcr_packet_period, (int)ts->sdt_packet_period, (int)ts->pat_packet_period);
++
+ if (ts->copyts < 1)
+ ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE);
+
+- select_pcr_streams(s);
+-
+- ts->last_pat_ts = AV_NOPTS_VALUE;
+- ts->last_sdt_ts = AV_NOPTS_VALUE;
+- ts->pat_period = av_rescale(ts->pat_period_us, PCR_TIME_BASE, AV_TIME_BASE);
+- ts->sdt_period = av_rescale(ts->sdt_period_us, PCR_TIME_BASE, AV_TIME_BASE);
++ // output a PCR as soon as possible
++ ts->pcr = 0;
++ service->pcr_packet_timer = 0;
++ ts->pat_packet_timer = 0;
++ ts->sdt_packet_timer = 0;
+
+ if (ts->mux_rate == 1)
+ av_log(s, AV_LOG_VERBOSE, "muxrate VBR, ");
+ else
+ av_log(s, AV_LOG_VERBOSE, "muxrate %d, ", ts->mux_rate);
+- av_log(s, AV_LOG_VERBOSE,
+- "sdt every %"PRId64" ms, pat/pmt every %"PRId64" ms\n",
+- av_rescale(ts->sdt_period, 1000, PCR_TIME_BASE),
+- av_rescale(ts->pat_period, 1000, PCR_TIME_BASE));
+
+ return 0;
++
++fail:
++ av_freep(&pids);
++ return ret;
+ }
+
+ /* send SDT, PAT and PMT tables regularly */
+-static void retransmit_si_info(AVFormatContext *s, int force_pat, int force_sdt, int64_t pcr)
++static void retransmit_si_info(AVFormatContext *s, int force_pat, int64_t dts)
+ {
+ MpegTSWrite *ts = s->priv_data;
+ int i;
+
+- if ((pcr != AV_NOPTS_VALUE && ts->last_sdt_ts == AV_NOPTS_VALUE) ||
+- (pcr != AV_NOPTS_VALUE && pcr - ts->last_sdt_ts >= ts->sdt_period) ||
+- force_sdt
+- ) {
+- if (pcr != AV_NOPTS_VALUE)
+- ts->last_sdt_ts = FFMAX(pcr, ts->last_sdt_ts);
++ if ( ts->sdt_packet_period >= 0 && ts->pcr >= ts->sdt_packet_timer ) {
++ ts->sdt_packet_timer = ts->pcr + ts->sdt_packet_period;
+ mpegts_write_sdt(s);
+ }
+- if ((pcr != AV_NOPTS_VALUE && ts->last_pat_ts == AV_NOPTS_VALUE) ||
+- (pcr != AV_NOPTS_VALUE && pcr - ts->last_pat_ts >= ts->pat_period) ||
+- force_pat) {
+- if (pcr != AV_NOPTS_VALUE)
+- ts->last_pat_ts = FFMAX(pcr, ts->last_pat_ts);
++ if (ts->pcr >= ts->pat_packet_timer || force_pat) {
++ ts->pat_packet_timer = ts->pcr + ts->pat_packet_period;
+ mpegts_write_pat(s);
+ for (i = 0; i < ts->nb_services; i++)
+ mpegts_write_pmt(s, ts->services[i]);
+@@ -1175,7 +1049,8 @@
+ *q++ = 0xff;
+ *q++ = 0x10;
+ memset(q, 0x0FF, TS_PACKET_SIZE - (q - buf));
+- write_packet(s, buf);
++ mpegts_prefix_m2ts_header(s);
++ avio_write(s->pb, buf, TS_PACKET_SIZE);
+ }
+
+ /* Write a single transport stream packet with a PCR and no payload */
+@@ -1183,13 +1058,14 @@
+ {
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSWriteStream *ts_st = st->priv_data;
++ uint32_t pcr_pid = ts_st->service->pcr_pid;
+ uint8_t *q;
+ uint8_t buf[TS_PACKET_SIZE];
+
+ q = buf;
+ *q++ = 0x47;
+- *q++ = ts_st->pid >> 8;
+- *q++ = ts_st->pid;
++ *q++ = pcr_pid >> 8;
++ *q++ = pcr_pid;
+ *q++ = 0x20 | ts_st->cc; /* Adaptation only */
+ /* Continuity Count field does not increment (see 13818-1 section 2.4.3.3) */
+ *q++ = TS_PACKET_SIZE - 5; /* Adaptation Field Length */
+@@ -1200,11 +1076,12 @@
+ }
+
+ /* PCR coded into 6 bytes */
+- q += write_pcr_bits(q, get_pcr(ts, s->pb));
++ q += write_pcr_bits(q, ts->pcr);
+
+ /* stuffing bytes */
+ memset(q, 0xFF, TS_PACKET_SIZE - (q - buf));
+- write_packet(s, buf);
++ mpegts_prefix_m2ts_header(s);
++ avio_write(s->pb, buf, TS_PACKET_SIZE);
+ }
+
+ static void write_pts(uint8_t *q, int fourbits, int64_t pts)
+@@ -1268,84 +1145,55 @@
+ uint8_t *q;
+ int val, is_start, len, header_len, write_pcr, is_dvb_subtitle, is_dvb_teletext, flags;
+ int afc_len, stuffing_len;
+- int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE);
+ int force_pat = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO && key && !ts_st->prev_payload_key;
+- int force_sdt = 0;
+
+ av_assert0(ts_st->payload != buf || st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO);
+ if (ts->flags & MPEGTS_FLAG_PAT_PMT_AT_FRAMES && st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ force_pat = 1;
+ }
+
+- if (ts->flags & MPEGTS_FLAG_REEMIT_PAT_PMT) {
+- force_pat = 1;
+- force_sdt = 1;
+- ts->flags &= ~MPEGTS_FLAG_REEMIT_PAT_PMT;
+- }
+-
+ is_start = 1;
+ while (payload_size > 0) {
+- int64_t pcr = AV_NOPTS_VALUE;
+- if (ts->mux_rate > 1)
+- pcr = get_pcr(ts, s->pb);
+- else if (dts != AV_NOPTS_VALUE)
+- pcr = (dts - delay) * 300;
++ ts->pcr = ts->first_pcr + (ts->mux_rate == 1 ?
++ (dts == AV_NOPTS_VALUE ? 0 : (dts - ts->delay) * 300) :
++ // add 11, pcr references the last byte of program clock reference base
++ av_rescale(avio_tell(s->pb) + 11, 8 * PCR_TIME_BASE, ts->mux_rate));
+
+- retransmit_si_info(s, force_pat, force_sdt, pcr);
++ retransmit_si_info(s, force_pat, dts);
+ force_pat = 0;
+- force_sdt = 0;
+
+ write_pcr = 0;
+- if (ts->mux_rate > 1) {
+- /* Send PCR packets for all PCR streams if needed */
+- pcr = get_pcr(ts, s->pb);
+- if (pcr >= ts->next_pcr) {
+- int64_t next_pcr = INT64_MAX;
+- for (int i = 0; i < s->nb_streams; i++) {
+- /* Make the current stream the last, because for that we
+- * can insert the pcr into the payload later */
+- int st2_index = i < st->index ? i : (i + 1 == s->nb_streams ? st->index : i + 1);
+- AVStream *st2 = s->streams[st2_index];
+- MpegTSWriteStream *ts_st2 = st2->priv_data;
+- if (ts_st2->pcr_period) {
+- if (pcr - ts_st2->last_pcr >= ts_st2->pcr_period) {
+- ts_st2->last_pcr = FFMAX(pcr - ts_st2->pcr_period, ts_st2->last_pcr + ts_st2->pcr_period);
+- if (st2 != st) {
+- mpegts_insert_pcr_only(s, st2);
+- pcr = get_pcr(ts, s->pb);
+- } else {
+- write_pcr = 1;
+- }
+- }
+- next_pcr = FFMIN(next_pcr, ts_st2->last_pcr + ts_st2->pcr_period);
+- }
+- }
+- ts->next_pcr = next_pcr;
+- }
+- if (dts != AV_NOPTS_VALUE && (dts - pcr / 300) > delay) {
+- /* pcr insert gets priority over null packet insert */
+- if (write_pcr)
+- mpegts_insert_pcr_only(s, st);
+- else
+- mpegts_insert_null_packet(s);
+- /* recalculate write_pcr and possibly retransmit si_info */
+- continue;
+- }
+- } else if (ts_st->pcr_period && pcr != AV_NOPTS_VALUE) {
+- if (pcr - ts_st->last_pcr >= ts_st->pcr_period && is_start) {
+- ts_st->last_pcr = FFMAX(pcr - ts_st->pcr_period, ts_st->last_pcr + ts_st->pcr_period);
++ if (ts_st->pid == ts_st->service->pcr_sid) {
++ if( ts->pcr >= ts_st->service->pcr_packet_timer ) {
++ ts_st->service->pcr_packet_timer = ts->pcr + ts_st->service->pcr_packet_period;
+ write_pcr = 1;
+ }
+ }
++ if (write_pcr && ts_st->service->pcr_sid != ts_st->service->pcr_pid) {
++ mpegts_insert_pcr_only(s, st);
++ continue;
++ }
++ if (ts->mux_rate > 1 && dts != AV_NOPTS_VALUE &&
++ (dts - ts->pcr / 300) > ts->delay) {
++ /* pcr insert gets priority over null packet insert */
++ if (write_pcr)
++ mpegts_insert_pcr_only(s, st);
++ else
++ mpegts_insert_null_packet(s);
++ /* recalculate write_pcr and possibly retransimit si_info */
++ continue;
++ }
+
+ /* prepare packet header */
+ q = buf;
+ *q++ = 0x47;
+ val = ts_st->pid >> 8;
+- if (ts->m2ts_mode && st->codecpar->codec_id == AV_CODEC_ID_AC3)
+- val |= 0x20;
+ if (is_start)
+ val |= 0x40;
++ if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
++ st->codecpar->codec_id == AV_CODEC_ID_AC3 &&
++ ts->m2ts_mode > 1)
++ val |= 0x20;
+ *q++ = val;
+ *q++ = ts_st->pid;
+ ts_st->cc = ts_st->cc + 1 & 0xf;
+@@ -1357,7 +1205,7 @@
+ }
+ if (key && is_start && pts != AV_NOPTS_VALUE) {
+ // set Random Access for key frames
+- if (ts_st->pcr_period)
++ if (ts_st->pid == ts_st->service->pcr_sid)
+ write_pcr = 1;
+ set_af_flag(buf, 0x40);
+ q = get_ts_payload_start(buf);
+@@ -1365,10 +1213,10 @@
+ if (write_pcr) {
+ set_af_flag(buf, 0x10);
+ q = get_ts_payload_start(buf);
+- // add 11, pcr references the last byte of program clock reference base
+- if (dts != AV_NOPTS_VALUE && dts < pcr / 300)
++ if (ts->mux_rate > 1)
++ if (dts != AV_NOPTS_VALUE && dts < ts->pcr / 300)
+ av_log(s, AV_LOG_WARNING, "dts < pcr, TS is invalid\n");
+- extend_af(buf, write_pcr_bits(q, pcr));
++ extend_af(buf, write_pcr_bits(q, ts->pcr));
+ q = get_ts_payload_start(buf);
+ }
+ if (is_start) {
+@@ -1439,10 +1287,10 @@
+ if (ts->m2ts_mode &&
+ st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
+ st->codecpar->codec_id == AV_CODEC_ID_AC3) {
+- /* set PES_extension_flag */
+- pes_extension = 1;
+- flags |= 0x01;
+- header_len += 3;
++ /* set PES_extension_flag */
++ pes_extension = 1;
++ flags |= 0x01;
++ header_len += 3;
+ }
+ if (is_dvb_teletext) {
+ pes_header_stuffing_bytes = 0x24 - header_len;
+@@ -1469,11 +1317,13 @@
+ *q++ = flags;
+ *q++ = header_len;
+ if (pts != AV_NOPTS_VALUE) {
+- write_pts(q, flags >> 6, pts);
++ int64_t ts_pts = pts + ts->ts_offset;
++ write_pts(q, flags >> 6, ts_pts);
+ q += 5;
+ }
+ if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
+- write_pts(q, 1, dts);
++ int64_t ts_dts = dts + ts->ts_offset;
++ write_pts(q, 1, ts_dts);
+ q += 5;
+ }
+ if (pes_extension && st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
+@@ -1485,14 +1335,14 @@
+ *q++ = 0x00 | 0x60;
+ }
+ /* For Blu-ray AC3 Audio Setting extended flags */
+- if (ts->m2ts_mode &&
+- pes_extension &&
+- st->codecpar->codec_id == AV_CODEC_ID_AC3) {
+- flags = 0x01; /* set PES_extension_flag_2 */
+- *q++ = flags;
+- *q++ = 0x80 | 0x01; /* marker bit + extension length */
+- *q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
+- }
++ if (ts->m2ts_mode &&
++ pes_extension &&
++ st->codecpar->codec_id == AV_CODEC_ID_AC3) {
++ flags = 0x01; /* set PES_extension_flag_2 */
++ *q++ = flags;
++ *q++ = 0x80 | 0x01; /* marker bit + extension length */
++ *q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
++ }
+
+
+ if (is_dvb_subtitle) {
+@@ -1546,7 +1396,8 @@
+
+ payload += len;
+ payload_size -= len;
+- write_packet(s, buf);
++ mpegts_prefix_m2ts_header(s);
++ avio_write(s->pb, buf, TS_PACKET_SIZE);
+ }
+ ts_st->prev_payload_key = key;
+ }
+@@ -1643,8 +1494,6 @@
+ uint8_t *data = NULL;
+ MpegTSWrite *ts = s->priv_data;
+ MpegTSWriteStream *ts_st = st->priv_data;
+- const int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE) * 2;
+- const int64_t max_audio_delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE) / 2;
+ int64_t dts = pkt->dts, pts = pkt->pts;
+ int opus_samples = 0;
+ int side_data_size;
+@@ -1657,11 +1506,23 @@
+ if (side_data)
+ stream_id = side_data[0];
+
++ if (ts->reemit_pat_pmt) {
++ av_log(s, AV_LOG_WARNING,
++ "resend_headers option is deprecated, use -mpegts_flags resend_headers\n");
++ ts->reemit_pat_pmt = 0;
++ ts->flags |= MPEGTS_FLAG_REEMIT_PAT_PMT;
++ }
++
++ if (ts->flags & MPEGTS_FLAG_REEMIT_PAT_PMT) {
++ ts->pat_packet_timer = ts->sdt_packet_timer = 0;
++ ts->flags &= ~MPEGTS_FLAG_REEMIT_PAT_PMT;
++ }
++
+ if (ts->copyts < 1) {
+ if (pts != AV_NOPTS_VALUE)
+- pts += delay;
++ pts += 2*ts->delay;
+ if (dts != AV_NOPTS_VALUE)
+- dts += delay;
++ dts += 2*ts->delay;
+ }
+
+ if (ts_st->first_pts_check && pts == AV_NOPTS_VALUE) {
+@@ -1724,7 +1585,7 @@
+
+ ret = avio_open_dyn_buf(&ts_st->amux->pb);
+ if (ret < 0)
+- return ret;
++ return AVERROR(ENOMEM);
+
+ ret = av_write_frame(ts_st->amux, &pkt2);
+ if (ret < 0) {
+@@ -1755,7 +1616,7 @@
+ } while (p < buf_end && (state & 0x7e) != 2*35 &&
+ (state & 0x7e) >= 2*32);
+
+- if ((state & 0x7e) < 2*16 || (state & 0x7e) >= 2*24)
++ if ((state & 0x7e) < 2*16 && (state & 0x7e) >= 2*24)
+ extradd = 0;
+ if ((state & 0x7e) != 2*35) { // AUD NAL
+ data = av_malloc(pkt->size + 7 + extradd);
+@@ -1843,9 +1704,25 @@
+ }
+ }
+
++ if (pkt->dts != AV_NOPTS_VALUE) {
++ int i;
++ for(i=0; i<s->nb_streams; i++) {
++ AVStream *st2 = s->streams[i];
++ MpegTSWriteStream *ts_st2 = st2->priv_data;
++ if ( ts_st2->payload_size
++ && (ts_st2->payload_dts == AV_NOPTS_VALUE || dts - ts_st2->payload_dts > ts->delay)) {
++ mpegts_write_pes(s, st2, ts_st2->payload, ts_st2->payload_size,
++ ts_st2->payload_pts, ts_st2->payload_dts,
++ ts_st2->payload_flags & AV_PKT_FLAG_KEY, stream_id);
++ ts_st2->payload_size = 0;
++ }
++ }
++ }
++
+ if (ts_st->payload_size && (ts_st->payload_size + size > ts->pes_payload_size ||
+ (dts != AV_NOPTS_VALUE && ts_st->payload_dts != AV_NOPTS_VALUE &&
+- dts - ts_st->payload_dts >= max_audio_delay) ||
++ av_compare_ts(dts - ts_st->payload_dts, st->time_base,
++ s->max_delay, AV_TIME_BASE_Q) >= 0) ||
+ ts_st->opus_queued_samples + opus_samples >= 5760 /* 120ms */)) {
+ mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_size,
+ ts_st->payload_pts, ts_st->payload_dts,
+@@ -1881,7 +1758,6 @@
+
+ static void mpegts_write_flush(AVFormatContext *s)
+ {
+- MpegTSWrite *ts = s->priv_data;
+ int i;
+
+ /* flush current packets */
+@@ -1896,12 +1772,6 @@
+ ts_st->opus_queued_samples = 0;
+ }
+ }
+-
+- if (ts->m2ts_mode) {
+- int packets = (avio_tell(s->pb) / (TS_PACKET_SIZE + 4)) % 32;
+- while (packets++ < 32)
+- mpegts_insert_null_packet(s);
+- }
+ }
+
+ static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt)
+@@ -1969,62 +1839,104 @@
+ return ret;
+ }
+
+-#define OFFSET(x) offsetof(MpegTSWrite, x)
+-#define ENC AV_OPT_FLAG_ENCODING_PARAM
+ static const AVOption options[] = {
+ { "mpegts_transport_stream_id", "Set transport_stream_id field.",
+- OFFSET(transport_stream_id), AV_OPT_TYPE_INT, { .i64 = 0x0001 }, 0x0001, 0xffff, ENC },
++ offsetof(MpegTSWrite, transport_stream_id), AV_OPT_TYPE_INT,
++ { .i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM },
+ { "mpegts_original_network_id", "Set original_network_id field.",
+- OFFSET(original_network_id), AV_OPT_TYPE_INT, { .i64 = DVB_PRIVATE_NETWORK_START }, 0x0001, 0xffff, ENC },
++ offsetof(MpegTSWrite, original_network_id), AV_OPT_TYPE_INT,
++ { .i64 = DVB_PRIVATE_NETWORK_START }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM },
+ { "mpegts_service_id", "Set service_id field.",
+- OFFSET(service_id), AV_OPT_TYPE_INT, { .i64 = 0x0001 }, 0x0001, 0xffff, ENC },
++ offsetof(MpegTSWrite, service_id), AV_OPT_TYPE_INT,
++ { .i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM },
+ { "mpegts_service_type", "Set service_type field.",
+- OFFSET(service_type), AV_OPT_TYPE_INT, { .i64 = 0x01 }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ offsetof(MpegTSWrite, service_type), AV_OPT_TYPE_INT,
++ { .i64 = 0x01 }, 0x01, 0xff, AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "digital_tv", "Digital Television.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_DIGITAL_TV }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_DIGITAL_TV }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "digital_radio", "Digital Radio.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_DIGITAL_RADIO }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_DIGITAL_RADIO }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "teletext", "Teletext.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_TELETEXT }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_TELETEXT }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "advanced_codec_digital_radio", "Advanced Codec Digital Radio.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_RADIO }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_RADIO }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "mpeg2_digital_hdtv", "MPEG2 Digital HDTV.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_MPEG2_DIGITAL_HDTV }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_MPEG2_DIGITAL_HDTV }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "advanced_codec_digital_sdtv", "Advanced Codec Digital SDTV.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_SDTV }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_SDTV }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "advanced_codec_digital_hdtv", "Advanced Codec Digital HDTV.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_HDTV }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_HDTV }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "hevc_digital_hdtv", "HEVC Digital Television Service.",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_HEVC_DIGITAL_HDTV }, 0x01, 0xff, ENC, "mpegts_service_type" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_SERVICE_TYPE_HEVC_DIGITAL_HDTV }, 0x01, 0xff,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" },
+ { "mpegts_pmt_start_pid", "Set the first pid of the PMT.",
+- OFFSET(pmt_start_pid), AV_OPT_TYPE_INT, { .i64 = 0x1000 }, FIRST_OTHER_PID, LAST_OTHER_PID, ENC },
++ offsetof(MpegTSWrite, pmt_start_pid), AV_OPT_TYPE_INT,
++ { .i64 = 0x1000 }, 0x0010, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM },
++ { "mpegts_pcr_start_pid", "Set the first pid of the PCR.",
++ offsetof(MpegTSWrite, pcr_start_pid), AV_OPT_TYPE_INT,
++ { .i64 = 0x1000 }, 0x0010, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM },
+ { "mpegts_start_pid", "Set the first pid.",
+- OFFSET(start_pid), AV_OPT_TYPE_INT, { .i64 = 0x0100 }, FIRST_OTHER_PID, LAST_OTHER_PID, ENC },
+- { "mpegts_m2ts_mode", "Enable m2ts mode.", OFFSET(m2ts_mode), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, ENC },
+- { "muxrate", NULL, OFFSET(mux_rate), AV_OPT_TYPE_INT, { .i64 = 1 }, 0, INT_MAX, ENC },
++ offsetof(MpegTSWrite, start_pid), AV_OPT_TYPE_INT,
++ { .i64 = 0x0100 }, 0x0010, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM },
++ { "mpegts_m2ts_mode", "Enable m2ts mode.",
++ offsetof(MpegTSWrite, m2ts_mode), AV_OPT_TYPE_BOOL,
++ { .i64 = -1 }, -1, 2, AV_OPT_FLAG_ENCODING_PARAM },
++ { "mpegts_pcr_offset", "clock offset.",
++ offsetof(MpegTSWrite, ts_offset), AV_OPT_TYPE_BOOL,
++ { .i64 = 0 }, INT_MIN, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
++ { "muxrate", NULL,
++ offsetof(MpegTSWrite, mux_rate), AV_OPT_TYPE_INT,
++ { .i64 = 1 }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
+ { "pes_payload_size", "Minimum PES packet payload in bytes",
+- OFFSET(pes_payload_size), AV_OPT_TYPE_INT, { .i64 = DEFAULT_PES_PAYLOAD_SIZE }, 0, INT_MAX, ENC },
+- { "mpegts_flags", "MPEG-TS muxing flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, INT_MAX, ENC, "mpegts_flags" },
++ offsetof(MpegTSWrite, pes_payload_size), AV_OPT_TYPE_INT,
++ { .i64 = DEFAULT_PES_PAYLOAD_SIZE }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
++ { "mpegts_flags", "MPEG-TS muxing flags",
++ offsetof(MpegTSWrite, flags), AV_OPT_TYPE_FLAGS, { .i64 = 0 }, 0, INT_MAX,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },
+ { "resend_headers", "Reemit PAT/PMT before writing the next packet",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_REEMIT_PAT_PMT }, 0, INT_MAX, ENC, "mpegts_flags" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_REEMIT_PAT_PMT }, 0, INT_MAX,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },
+ { "latm", "Use LATM packetization for AAC",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_AAC_LATM }, 0, INT_MAX, ENC, "mpegts_flags" },
++ 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, ENC, "mpegts_flags" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_PAT_PMT_AT_FRAMES}, 0, INT_MAX,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },
+ { "system_b", "Conform to System B (DVB) instead of System A (ATSC)",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_SYSTEM_B }, 0, INT_MAX, ENC, "mpegts_flags" },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_SYSTEM_B }, 0, INT_MAX,
++ AV_OPT_FLAG_ENCODING_PARAM, "mpegts_flags" },
+ { "initial_discontinuity", "Mark initial packets as discontinuous",
+- 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_DISCONT }, 0, INT_MAX, ENC, "mpegts_flags" },
+- { "mpegts_copyts", "don't offset dts/pts", OFFSET(copyts), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, ENC },
+- { "tables_version", "set PAT, PMT and SDT version", OFFSET(tables_version), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 31, ENC },
++ 0, AV_OPT_TYPE_CONST, { .i64 = MPEGTS_FLAG_DISCONT }, 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,
++ { .i64 = 0 }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
++ { "mpegts_copyts", "don't offset dts/pts",
++ offsetof(MpegTSWrite, copyts), AV_OPT_TYPE_BOOL,
++ { .i64 = -1 }, -1, 1, AV_OPT_FLAG_ENCODING_PARAM },
++ { "tables_version", "set PAT, PMT and SDT version",
++ offsetof(MpegTSWrite, tables_version), AV_OPT_TYPE_INT,
++ { .i64 = 0 }, 0, 31, AV_OPT_FLAG_ENCODING_PARAM },
+ { "omit_video_pes_length", "Omit the PES packet length for video packets",
+- OFFSET(omit_video_pes_length), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, ENC },
+- { "pcr_period", "PCR retransmission time in milliseconds",
+- OFFSET(pcr_period_ms), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT_MAX, ENC },
+- { "pat_period", "PAT/PMT retransmission time limit in seconds",
+- OFFSET(pat_period_us), AV_OPT_TYPE_DURATION, { .i64 = PAT_RETRANS_TIME * 1000LL }, 0, INT64_MAX, ENC },
+- { "sdt_period", "SDT retransmission time limit in seconds",
+- OFFSET(sdt_period_us), AV_OPT_TYPE_DURATION, { .i64 = SDT_RETRANS_TIME * 1000LL }, 0, INT64_MAX, ENC },
++ offsetof(MpegTSWrite, omit_video_pes_length), AV_OPT_TYPE_BOOL,
++ { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM },
++ { "pcr_period", "PCR retransmission time limit in msecs",
++ offsetof(MpegTSWrite, pcr_period), AV_OPT_TYPE_DOUBLE,
++ { .dbl = PCR_RETRANS_TIME }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
++ { "pat_period", "PAT/PMT retransmission time limit in msecs",
++ offsetof(MpegTSWrite, pat_period), AV_OPT_TYPE_DOUBLE,
++ { .dbl = PAT_RETRANS_TIME }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
++ { "sdt_period", "SDT retransmission time limit in msecs",
++ offsetof(MpegTSWrite, sdt_period), AV_OPT_TYPE_DOUBLE,
++ { .dbl = SDT_RETRANS_TIME }, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },
+ { NULL },
+ };
+
projects / goodguy / cinelerra.git / blobdiff