X-Git-Url: https://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fthirdparty%2Fsrc%2Fffmpeg-3.3.4.patch4;fp=cinelerra-5.1%2Fthirdparty%2Fsrc%2Fffmpeg-3.3.4.patch4;h=66edd3db49ffd6a5972e0987c966539ff2cac499;hb=4fedf98530b3a6ff1ada6d2b9fbbc470e3df300c;hp=0000000000000000000000000000000000000000;hpb=3966bf849d26244bc8b9a39fa485a808272225d0;p=goodguy%2Fhistory.git diff --git a/cinelerra-5.1/thirdparty/src/ffmpeg-3.3.4.patch4 b/cinelerra-5.1/thirdparty/src/ffmpeg-3.3.4.patch4 new file mode 100644 index 00000000..66edd3db --- /dev/null +++ b/cinelerra-5.1/thirdparty/src/ffmpeg-3.3.4.patch4 @@ -0,0 +1,498 @@ +diff -urN a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c +--- a/libavformat/mpegtsenc.c 2017-04-12 19:55:55.000000000 -0600 ++++ b/libavformat/mpegtsenc.c 2017-04-16 16:40:18.488361991 -0600 +@@ -56,9 +56,8 @@ + int sid; /* service ID */ + char *name; + char *provider_name; +- int pcr_pid; +- int pcr_packet_count; +- int pcr_packet_period; ++ int64_t pcr, pcr_packet_timer, pcr_packet_period; ++ int pcr_sid, pcr_pid; + AVProgram *program; + } MpegTSService; + +@@ -78,14 +77,12 @@ + MpegTSSection pat; /* MPEG-2 PAT table */ + MpegTSSection sdt; /* MPEG-2 SDT table context */ + MpegTSService **services; +- int sdt_packet_count; +- int sdt_packet_period; +- int pat_packet_count; +- int pat_packet_period; ++ int64_t sdt_packet_timer, sdt_packet_period; ++ int64_t pat_packet_timer, pat_packet_period; + int nb_services; + int onid; + int tsid; +- int64_t first_pcr; ++ int64_t pcr, first_pcr, delay; + int mux_rate; ///< set to 1 when VBR + int pes_payload_size; + +@@ -95,12 +92,14 @@ + int service_type; + + int pmt_start_pid; ++ int pcr_start_pid; + int start_pid; + int m2ts_mode; ++ int64_t ts_offset; + + int reemit_pat_pmt; // backward compatibility + +- int pcr_period; ++ double pcr_period; + #define MPEGTS_FLAG_REEMIT_PAT_PMT 0x01 + #define MPEGTS_FLAG_AAC_LATM 0x02 + #define MPEGTS_FLAG_PAT_PMT_AT_FRAMES 0x04 +@@ -111,8 +110,6 @@ + int tables_version; + double pat_period; + double sdt_period; +- int64_t last_pat_ts; +- int64_t last_sdt_ts; + + int omit_video_pes_length; + } MpegTSWrite; +@@ -222,10 +219,10 @@ + #define DEFAULT_PROVIDER_NAME "FFmpeg" + #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; +@@ -717,6 +714,7 @@ + service->pmt.pid = ts->pmt_start_pid + ts->nb_services; + service->sid = sid; + service->pcr_pid = 0x1fff; ++ service->pcr_sid = 0x1fff; + service->provider_name = av_strdup(provider_name); + service->name = av_strdup(name); + if (!service->provider_name || !service->name) +@@ -732,18 +730,11 @@ + return NULL; + } + +-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 mpegts_prefix_m2ts_header(AVFormatContext *s) + { + 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; ++ 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)); +@@ -764,6 +755,7 @@ + MpegTSService *service; + AVStream *st, *pcr_st = NULL; + AVDictionaryEntry *title, *provider; ++ double clk_rate; + int i, j; + const char *service_name; + const char *provider_name; +@@ -772,6 +764,15 @@ + + 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->filename, "m2ts")) { ++ ts->m2ts_mode = 1; ++ } else { ++ ts->m2ts_mode = 0; ++ } ++ } + + // round up to a whole number of TS packets + ts->pes_payload_size = (ts->pes_payload_size + 14 + 183) / 184 * 184 - 14; +@@ -818,6 +819,8 @@ + 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 +@@ -903,10 +906,9 @@ + 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_pid == 0x1fff) { +- service->pcr_pid = ts_st->pid; ++ service->pcr_sid == 0x1fff) + pcr_st = st; +- } ++ + if (st->codecpar->codec_id == AV_CODEC_ID_AAC && + st->codecpar->extradata_size > 0) { + AVStream *ast; +@@ -942,78 +944,47 @@ + av_freep(&pids); + + /* if no video stream, use the first stream as PCR */ +- if (service->pcr_pid == 0x1fff && s->nb_streams > 0) { +- pcr_st = s->streams[0]; +- ts_st = pcr_st->priv_data; +- service->pcr_pid = ts_st->pid; +- } else +- ts_st = pcr_st->priv_data; +- +- if (ts->mux_rate > 1) { +- service->pcr_packet_period = (int64_t)ts->mux_rate * ts->pcr_period / +- (TS_PACKET_SIZE * 8 * 1000); +- ts->sdt_packet_period = (int64_t)ts->mux_rate * SDT_RETRANS_TIME / +- (TS_PACKET_SIZE * 8 * 1000); +- ts->pat_packet_period = (int64_t)ts->mux_rate * PAT_RETRANS_TIME / +- (TS_PACKET_SIZE * 8 * 1000); +- +- if (ts->copyts < 1) +- ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE); +- } else { +- /* Arbitrary values, PAT/PMT will also be written on video key frames */ +- ts->sdt_packet_period = 200; +- ts->pat_packet_period = 40; +- 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"); +- service->pcr_packet_period = +- pcr_st->codecpar->sample_rate / (10 * 512); +- } else { +- service->pcr_packet_period = +- pcr_st->codecpar->sample_rate / (10 * frame_size); +- } +- } else { +- // max delta PCR 0.1s +- // TODO: should be avg_frame_rate +- service->pcr_packet_period = +- ts_st->user_tb.den / (10 * ts_st->user_tb.num); +- } +- if (!service->pcr_packet_period) +- service->pcr_packet_period = 1; +- } +- +- ts->last_pat_ts = AV_NOPTS_VALUE; +- ts->last_sdt_ts = AV_NOPTS_VALUE; +- // The user specified a period, use only it +- if (ts->pat_period < INT_MAX/2) { +- ts->pat_packet_period = INT_MAX; ++ 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; + } +- if (ts->sdt_period < INT_MAX/2) { +- ts->sdt_packet_period = INT_MAX; ++ 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); ++ + // output a PCR as soon as possible +- service->pcr_packet_count = service->pcr_packet_period; +- ts->pat_packet_count = ts->pat_packet_period - 1; +- ts->sdt_packet_count = ts->sdt_packet_period - 1; ++ 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, +- "pcr every %d pkts, sdt every %d, pat/pmt every %d pkts\n", +- service->pcr_packet_period, +- ts->sdt_packet_period, ts->pat_packet_period); +- +- if (ts->m2ts_mode == -1) { +- if (av_match_ext(s->filename, "m2ts")) { +- ts->m2ts_mode = 1; +- } else { +- ts->m2ts_mode = 0; +- } +- } + + return 0; + +@@ -1028,22 +999,12 @@ + MpegTSWrite *ts = s->priv_data; + int i; + +- if (++ts->sdt_packet_count == ts->sdt_packet_period || +- (dts != AV_NOPTS_VALUE && ts->last_sdt_ts == AV_NOPTS_VALUE) || +- (dts != AV_NOPTS_VALUE && dts - ts->last_sdt_ts >= ts->sdt_period*90000.0) +- ) { +- ts->sdt_packet_count = 0; +- if (dts != AV_NOPTS_VALUE) +- ts->last_sdt_ts = FFMAX(dts, 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 (++ts->pat_packet_count == ts->pat_packet_period || +- (dts != AV_NOPTS_VALUE && ts->last_pat_ts == AV_NOPTS_VALUE) || +- (dts != AV_NOPTS_VALUE && dts - ts->last_pat_ts >= ts->pat_period*90000.0) || +- force_pat) { +- ts->pat_packet_count = 0; +- if (dts != AV_NOPTS_VALUE) +- ts->last_pat_ts = FFMAX(dts, 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]); +@@ -1085,13 +1046,14 @@ + { + 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 */ +@@ -1102,7 +1064,7 @@ + } + + /* 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)); +@@ -1171,8 +1133,6 @@ + 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 pcr = -1; /* avoid warning */ +- 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; + + av_assert0(ts_st->payload != buf || st->codecpar->codec_type != AVMEDIA_TYPE_VIDEO); +@@ -1182,28 +1142,33 @@ + + is_start = 1; + while (payload_size > 0) { ++ 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, dts); + force_pat = 0; + + write_pcr = 0; +- if (ts_st->pid == ts_st->service->pcr_pid) { +- if (ts->mux_rate > 1 || is_start) // VBR pcr period is based on frames +- ts_st->service->pcr_packet_count++; +- if (ts_st->service->pcr_packet_count >= +- ts_st->service->pcr_packet_period) { +- ts_st->service->pcr_packet_count = 0; ++ 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 - get_pcr(ts, s->pb) / 300) > delay) { +- /* pcr insert gets priority over null packet insert */ +- if (write_pcr) +- mpegts_insert_pcr_only(s, st); ++ (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 retransmit si_info */ ++ mpegts_insert_null_packet(s); ++ /* recalculate write_pcr and possibly retransimit si_info */ + continue; + } + +@@ -1213,6 +1178,10 @@ + val = ts_st->pid >> 8; + 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; +@@ -1224,7 +1193,7 @@ + } + if (key && is_start && pts != AV_NOPTS_VALUE) { + // set Random Access for key frames +- if (ts_st->pid == ts_st->service->pcr_pid) ++ if (ts_st->pid == ts_st->service->pcr_sid) + write_pcr = 1; + set_af_flag(buf, 0x40); + q = get_ts_payload_start(buf); +@@ -1232,14 +1201,10 @@ + 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 (ts->mux_rate > 1) +- pcr = get_pcr(ts, s->pb); +- else +- pcr = (dts - delay) * 300; +- if (dts != AV_NOPTS_VALUE && dts < pcr / 300) ++ 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) { +@@ -1340,11 +1305,13 @@ + *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) { +@@ -1515,7 +1482,6 @@ + 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; + int64_t dts = pkt->dts, pts = pkt->pts; + int opus_samples = 0; + int side_data_size; +@@ -1536,16 +1502,15 @@ + } + + if (ts->flags & MPEGTS_FLAG_REEMIT_PAT_PMT) { +- ts->pat_packet_count = ts->pat_packet_period - 1; +- ts->sdt_packet_count = ts->sdt_packet_period - 1; ++ 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) { +@@ -1733,7 +1698,7 @@ + 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 > delay/2)) { ++ && (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); +@@ -1904,12 +1869,18 @@ + { "mpegts_pmt_start_pid", "Set the first pid of the PMT.", + 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.", + 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, 1, AV_OPT_FLAG_ENCODING_PARAM }, ++ { .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 }, +@@ -1947,15 +1918,15 @@ + { "omit_video_pes_length", "Omit the PES packet length for video packets", + offsetof(MpegTSWrite, omit_video_pes_length), AV_OPT_TYPE_BOOL, + { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM }, +- { "pcr_period", "PCR retransmission time in milliseconds", +- offsetof(MpegTSWrite, pcr_period), AV_OPT_TYPE_INT, +- { .i64 = PCR_RETRANS_TIME }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, +- { "pat_period", "PAT/PMT retransmission time limit in seconds", ++ { "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 = INT_MAX }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, +- { "sdt_period", "SDT retransmission time limit in seconds", ++ { .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 = INT_MAX }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, ++ { .dbl = SDT_RETRANS_TIME }, -1, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, + { NULL }, + }; +