diff options
Diffstat (limited to 'libavformat/mpegtsenc.c')
| -rw-r--r-- | libavformat/mpegtsenc.c | 523 |
1 files changed, 412 insertions, 111 deletions
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c index 2522b72dde..45bab1ce01 100644 --- a/libavformat/mpegtsenc.c +++ b/libavformat/mpegtsenc.c @@ -2,23 +2,24 @@ * MPEG2 transport stream (aka DVB) muxer * Copyright (c) 2003 Fabrice Bellard * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ +#include "libavutil/avassert.h" #include "libavutil/bswap.h" #include "libavutil/crc.h" #include "libavutil/dict.h" @@ -57,6 +58,16 @@ typedef struct MpegTSService { int pcr_packet_period; } MpegTSService; +// service_type values as defined in ETSI 300 468 +enum { + MPEGTS_SERVICE_TYPE_DIGITAL_TV = 0x01, + MPEGTS_SERVICE_TYPE_DIGITAL_RADIO = 0x02, + MPEGTS_SERVICE_TYPE_TELETEXT = 0x03, + MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_RADIO = 0x0A, + MPEGTS_SERVICE_TYPE_MPEG2_DIGITAL_HDTV = 0x11, + MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_SDTV = 0x16, + MPEGTS_SERVICE_TYPE_ADVANCED_CODEC_DIGITAL_HDTV = 0x19 +}; typedef struct MpegTSWrite { const AVClass *av_class; MpegTSSection pat; /* MPEG2 pat table */ @@ -76,6 +87,7 @@ typedef struct MpegTSWrite { int transport_stream_id; int original_network_id; int service_id; + int service_type; int pmt_start_pid; int start_pid; @@ -86,7 +98,16 @@ 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; + float pat_period; + float sdt_period; + int64_t last_pat_ts; + int64_t last_sdt_ts; + + int omit_video_pes_length; } MpegTSWrite; /* a PES packet header is generated every DEFAULT_PES_HEADER_FREQ packets */ @@ -185,7 +206,7 @@ static int mpegts_write_section1(MpegTSSection *s, int tid, int id, /*********************************************/ /* mpegts writer */ -#define DEFAULT_PROVIDER_NAME "Libav" +#define DEFAULT_PROVIDER_NAME "FFmpeg" #define DEFAULT_SERVICE_NAME "Service01" /* we retransmit the SI info at this rate */ @@ -199,6 +220,7 @@ typedef struct MpegTSWriteStream { int cc; int payload_size; int first_pts_check; ///< first pts check needed + int prev_payload_key; int64_t payload_pts; int64_t payload_dts; int payload_flags; @@ -220,11 +242,11 @@ static void mpegts_write_pat(AVFormatContext *s) put16(&q, service->sid); put16(&q, 0xe000 | service->pmt.pid); } - mpegts_write_section1(&ts->pat, PAT_TID, ts->tsid, 0, 0, 0, + mpegts_write_section1(&ts->pat, PAT_TID, ts->tsid, ts->tables_version, 0, 0, data, q - data); } -static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) +static int mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) { MpegTSWrite *ts = s->priv_data; uint8_t data[SECTION_LENGTH], *q, *desc_length_ptr, *program_info_length_ptr; @@ -247,7 +269,7 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) MpegTSWriteStream *ts_st = st->priv_data; AVDictionaryEntry *lang = av_dict_get(st->metadata, "language", NULL, 0); - if (q - data > SECTION_LENGTH - 3 - 2 - 6) { + if (q - data > SECTION_LENGTH - 32) { err = 1; break; } @@ -286,10 +308,17 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) case AV_CODEC_ID_AC3: stream_type = STREAM_TYPE_AUDIO_AC3; 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; default: stream_type = STREAM_TYPE_PRIVATE_DATA; break; } + *q++ = stream_type; put16(&q, 0xe000 | ts_st->pid); desc_length_ptr = q; @@ -298,6 +327,20 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) /* write optional descriptors here */ switch (st->codec->codec_type) { case AVMEDIA_TYPE_AUDIO: + if (st->codec->codec_id==AV_CODEC_ID_EAC3) { + *q++=0x7a; // EAC3 descriptor see A038 DVB SI + *q++=1; // 1 byte, all flags sets to 0 + *q++=0; // omit all fields... + } + if (st->codec->codec_id==AV_CODEC_ID_S302M) { + *q++ = 0x05; /* MPEG-2 registration descriptor*/ + *q++ = 4; + *q++ = 'B'; + *q++ = 'S'; + *q++ = 'S'; + *q++ = 'D'; + } + if (lang) { char *p; char *next = lang->value; @@ -338,26 +381,82 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) break; case AVMEDIA_TYPE_SUBTITLE: { - const char *language; - language = lang && strlen(lang->value) == 3 ? lang->value : "eng"; - *q++ = 0x59; - *q++ = 8; - *q++ = language[0]; - *q++ = language[1]; - *q++ = language[2]; - *q++ = 0x10; /* normal subtitles (0x20 = if hearing pb) */ - - if (q - data > SECTION_LENGTH - 4) { - err = 1; - break; - } - - if (st->codec->extradata_size == 4) { - memcpy(q, st->codec->extradata, 4); - q += 4; - } else { - put16(&q, 1); /* page id */ - put16(&q, 1); /* ancillary page id */ + const char default_language[] = "und"; + const char *language = lang && strlen(lang->value) >= 3 ? lang->value : default_language; + + if (st->codec->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { + uint8_t *len_ptr; + int extradata_copied = 0; + + *q++ = 0x59; /* subtitling_descriptor */ + len_ptr = q++; + + while (strlen(language) >= 3) { + if (sizeof(data) - (q - data) < 8) { /* 8 bytes per DVB subtitle substream data */ + err = 1; + break; + } + *q++ = *language++; + *q++ = *language++; + *q++ = *language++; + /* Skip comma */ + if (*language != '\0') + language++; + + if (st->codec->extradata_size - extradata_copied >= 5) { + *q++ = st->codec->extradata[extradata_copied + 4]; /* subtitling_type */ + memcpy(q, st->codec->extradata + extradata_copied, 4); /* composition_page_id and ancillary_page_id */ + extradata_copied += 5; + q += 4; + } else { + /* subtitling_type: + * 0x10 - normal with no monitor aspect ratio criticality + * 0x20 - for the hard of hearing with no monitor aspect ratio criticality */ + *q++ = (st->disposition & AV_DISPOSITION_HEARING_IMPAIRED) ? 0x20 : 0x10; + if ((st->codec->extradata_size == 4) && (extradata_copied == 0)) { + /* support of old 4-byte extradata format */ + memcpy(q, st->codec->extradata, 4); /* composition_page_id and ancillary_page_id */ + extradata_copied += 4; + q += 4; + } else { + put16(&q, 1); /* composition_page_id */ + put16(&q, 1); /* ancillary_page_id */ + } + } + } + + *len_ptr = q - len_ptr - 1; + } else if (st->codec->codec_id == AV_CODEC_ID_DVB_TELETEXT) { + uint8_t *len_ptr = NULL; + int extradata_copied = 0; + + /* The descriptor tag. teletext_descriptor */ + *q++ = 0x56; + len_ptr = q++; + + while (strlen(language) >= 3 && q - data < sizeof(data) - 6) { + *q++ = *language++; + *q++ = *language++; + *q++ = *language++; + /* Skip comma */ + if (*language != '\0') + language++; + + if (st->codec->extradata_size - 1 > extradata_copied) { + memcpy(q, st->codec->extradata + extradata_copied, 2); + extradata_copied += 2; + q += 2; + } else { + /* The Teletext descriptor: + * teletext_type: This 5-bit field indicates the type of Teletext page indicated. (0x01 Initial Teletext page) + * teletext_magazine_number: This is a 3-bit field which identifies the magazine number. + * teletext_page_number: This is an 8-bit field giving two 4-bit hex digits identifying the page number. */ + *q++ = 0x08; + *q++ = 0x00; + } + } + + *len_ptr = q - len_ptr - 1; } } break; @@ -371,6 +470,16 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) *q++ = 'c'; } break; + case AVMEDIA_TYPE_DATA: + if (st->codec->codec_id == AV_CODEC_ID_SMPTE_KLV) { + *q++ = 0x05; /* MPEG-2 registration descriptor */ + *q++ = 4; + *q++ = 'K'; + *q++ = 'L'; + *q++ = 'V'; + *q++ = 'A'; + } + break; } val = 0xf000 | (q - desc_length_ptr - 2); @@ -384,11 +493,12 @@ static void mpegts_write_pmt(AVFormatContext *s, MpegTSService *service) "Try reducing the number of languages in the audio streams " "or the total number of streams.\n", i); - mpegts_write_section1(&service->pmt, PMT_TID, service->sid, 0, 0, 0, + mpegts_write_section1(&service->pmt, PMT_TID, service->sid, ts->tables_version, 0, 0, data, q - data); + return 0; } -/* NOTE: str == NULL is accepted for an empty string */ +/* NOTE: !str is accepted for an empty string */ static void putstr8(uint8_t **q_ptr, const char *str) { uint8_t *q; @@ -428,7 +538,7 @@ static void mpegts_write_sdt(AVFormatContext *s) *q++ = 0x48; desc_len_ptr = q; q++; - *q++ = 0x01; /* digital television service */ + *q++ = ts->service_type; putstr8(&q, service->provider_name); putstr8(&q, service->name); desc_len_ptr[0] = q - desc_len_ptr - 1; @@ -439,7 +549,7 @@ static void mpegts_write_sdt(AVFormatContext *s) desc_list_len_ptr[0] = val >> 8; desc_list_len_ptr[1] = val; } - mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, 0, 0, 0, + mpegts_write_section1(&ts->sdt, SDT_TID, ts->tsid, ts->tables_version, 0, 0, data, q - data); } @@ -457,14 +567,17 @@ static MpegTSService *mpegts_add_service(MpegTSWrite *ts, int sid, service->pcr_pid = 0x1fff; service->provider_name = av_strdup(provider_name); service->name = av_strdup(name); - if (!service->provider_name || !service->name) { - av_free(service->provider_name); - av_free(service->name); - av_free(service); - return NULL; - } - dynarray_add(&ts->services, &ts->nb_services, service); + if (!service->provider_name || !service->name) + goto fail; + if (av_dynarray_add_nofree(&ts->services, &ts->nb_services, service) < 0) + goto fail; + return service; +fail: + av_freep(&service->provider_name); + av_freep(&service->name); + av_free(service); + return NULL; } static int64_t get_pcr(const MpegTSWrite *ts, AVIOContext *pb) @@ -542,10 +655,10 @@ static int mpegts_write_header(AVFormatContext *s) ts->sdt.write_packet = section_write_packet; ts->sdt.opaque = s; - pids = av_malloc(s->nb_streams * sizeof(*pids)); + pids = av_malloc_array(s->nb_streams, sizeof(*pids)); if (!pids) { - av_free(service); - return AVERROR(ENOMEM); + ret = AVERROR(ENOMEM); + goto fail; } /* assign pids to each stream */ @@ -632,7 +745,7 @@ static int mpegts_write_header(AVFormatContext *s) } } - av_free(pids); + av_freep(&pids); /* if no video stream, use the first stream as PCR */ if (service->pcr_pid == 0x1fff && s->nb_streams > 0) { @@ -650,9 +763,10 @@ static int mpegts_write_header(AVFormatContext *s) ts->pat_packet_period = (ts->mux_rate * PAT_RETRANS_TIME) / (TS_PACKET_SIZE * 8 * 1000); - ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE); + if (ts->copyts < 1) + ts->first_pcr = av_rescale(s->max_delay, PCR_TIME_BASE, AV_TIME_BASE); } else { - /* Arbitrary values, PAT/PMT could be written on key frames */ + /* 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->codec->codec_type == AVMEDIA_TYPE_AUDIO) { @@ -670,6 +784,18 @@ static int mpegts_write_header(AVFormatContext *s) 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 (ts->sdt_period < INT_MAX/2) { + ts->sdt_packet_period = INT_MAX; } // output a PCR as soon as possible @@ -694,13 +820,10 @@ static int mpegts_write_header(AVFormatContext *s) } } - avio_flush(s->pb); - return 0; fail: - av_free(service); - av_free(pids); + av_freep(&pids); for (i = 0; i < s->nb_streams; i++) { st = s->streams[i]; ts_st = st->priv_data; @@ -713,21 +836,39 @@ fail: } av_freep(&st->priv_data); } + + for (i = 0; i < ts->nb_services; i++) { + service = ts->services[i]; + av_freep(&service->provider_name); + av_freep(&service->name); + av_freep(&service); + } + av_freep(&ts->services); return ret; } /* send SDT, PAT and PMT tables regulary */ -static void retransmit_si_info(AVFormatContext *s) +static void retransmit_si_info(AVFormatContext *s, int force_pat, int64_t dts) { MpegTSWrite *ts = s->priv_data; int i; - if (++ts->sdt_packet_count == ts->sdt_packet_period) { + 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); mpegts_write_sdt(s); } - if (++ts->pat_packet_count == ts->pat_packet_period) { + 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); mpegts_write_pat(s); for (i = 0; i < ts->nb_services; i++) mpegts_write_pmt(s, ts->services[i]); @@ -808,7 +949,7 @@ static void write_pts(uint8_t *q, int fourbits, int64_t pts) static void set_af_flag(uint8_t *pkt, int flag) { // expect at least one flag to set - assert(flag); + av_assert0(flag); if ((pkt[3] & 0x20) == 0) { // no AF yet, set adaptation field flag @@ -824,7 +965,7 @@ static void set_af_flag(uint8_t *pkt, int flag) static void extend_af(uint8_t *pkt, int size) { // expect already existing adaptation field - assert(pkt[3] & 0x20); + av_assert0(pkt[3] & 0x20); pkt[4] += size; } @@ -849,14 +990,21 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, MpegTSWrite *ts = s->priv_data; uint8_t buf[TS_PACKET_SIZE]; uint8_t *q; - int val, is_start, len, header_len, write_pcr, private_code, flags; + 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->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); + retransmit_si_info(s, force_pat, dts); + force_pat = 0; write_pcr = 0; if (ts_st->pid == ts_st->service->pcr_pid) { @@ -912,11 +1060,13 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, } if (is_start) { int pes_extension = 0; + int pes_header_stuffing_bytes = 0; /* write PES header */ *q++ = 0x00; *q++ = 0x00; *q++ = 0x01; - private_code = 0; + is_dvb_subtitle = 0; + is_dvb_teletext = 0; if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { if (st->codec->codec_id == AV_CODEC_ID_DIRAC) *q++ = 0xfd; @@ -927,10 +1077,19 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, st->codec->codec_id == AV_CODEC_ID_MP3 || st->codec->codec_id == AV_CODEC_ID_AAC)) { *q++ = 0xc0; + } else if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && + st->codec->codec_id == AV_CODEC_ID_AC3 && + ts->m2ts_mode) { + *q++ = 0xfd; } else { *q++ = 0xbd; - if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) - private_code = 0x20; + if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { + if (st->codec->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { + is_dvb_subtitle = 1; + } else if (st->codec->codec_id == AV_CODEC_ID_DVB_TELETEXT) { + is_dvb_teletext = 1; + } + } } header_len = 0; flags = 0; @@ -953,16 +1112,37 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, * one byte for extension id */ header_len += 3; } + /* for Blu-ray AC3 Audio the PES Extension flag should be as follow + * otherwise it will not play sound on blu-ray + */ + if (ts->m2ts_mode && + st->codec->codec_type == AVMEDIA_TYPE_AUDIO && + st->codec->codec_id == AV_CODEC_ID_AC3) { + /* set PES_extension_flag */ + pes_extension = 1; + flags |= 0x01; + header_len += 3; + } + if (is_dvb_teletext) { + pes_header_stuffing_bytes = 0x24 - header_len; + header_len = 0x24; + } len = payload_size + header_len + 3; - if (private_code != 0) - len++; + /* 3 extra bytes should be added to DVB subtitle payload: 0x20 0x00 at the beginning and trailing 0xff */ + if (is_dvb_subtitle) { + len += 3; + payload_size++; + } if (len > 0xffff) len = 0; + if (ts->omit_video_pes_length && st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { + len = 0; + } *q++ = len >> 8; *q++ = len; val = 0x80; - /* data alignment indicator is required for subtitle data */ - if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) + /* data alignment indicator is required for subtitle and data streams */ + if (st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codec->codec_type == AVMEDIA_TYPE_DATA) val |= 0x04; *q++ = val; *q++ = flags; @@ -983,8 +1163,28 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, * write the extended stream ID. */ *q++ = 0x00 | 0x60; } - if (private_code != 0) - *q++ = private_code; + /* For Blu-ray AC3 Audio Setting extended flags */ + if (ts->m2ts_mode && + pes_extension && + st->codec->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) { + /* First two fields of DVB subtitles PES data: + * data_identifier: for DVB subtitle streams shall be coded with the value 0x20 + * subtitle_stream_id: for DVB subtitle stream shall be identified by the value 0x00 */ + *q++ = 0x20; + *q++ = 0x00; + } + if (is_dvb_teletext) { + memset(q, 0xff, pes_header_stuffing_bytes); + q += pes_header_stuffing_bytes; + } is_start = 0; } /* header size */ @@ -1015,13 +1215,50 @@ static void mpegts_write_pes(AVFormatContext *s, AVStream *st, } } } - memcpy(buf + TS_PACKET_SIZE - len, payload, len); + + if (is_dvb_subtitle && payload_size == len) { + memcpy(buf + TS_PACKET_SIZE - len, payload, len - 1); + buf[TS_PACKET_SIZE - 1] = 0xff; /* end_of_PES_data_field_marker: an 8-bit field with fixed contents 0xff for DVB subtitle */ + } else { + memcpy(buf + TS_PACKET_SIZE - len, payload, len); + } + payload += len; payload_size -= len; mpegts_prefix_m2ts_header(s); avio_write(s->pb, buf, TS_PACKET_SIZE); } - avio_flush(s->pb); + ts_st->prev_payload_key = key; +} + +int ff_check_h264_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt) +{ + if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001 && AV_RB24(pkt->data) != 0x000001) { + if (!st->nb_frames) { + av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, " + "no startcode found, use the video bitstream filter 'h264_mp4toannexb' to fix it " + "('-bsf:v h264_mp4toannexb' option with ffmpeg)\n"); + return AVERROR_INVALIDDATA; + } + av_log(s, AV_LOG_WARNING, "H.264 bitstream error, startcode missing, size %d", pkt->size); + if (pkt->size) av_log(s, AV_LOG_WARNING, " data %08X", AV_RB32(pkt->data)); + av_log(s, AV_LOG_WARNING, "\n"); + } + return 0; +} + +static int check_hevc_startcode(AVFormatContext *s, const AVStream *st, const AVPacket *pkt) +{ + if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001 && AV_RB24(pkt->data) != 0x000001) { + if (!st->nb_frames) { + av_log(s, AV_LOG_ERROR, "HEVC bitstream malformed, no startcode found\n"); + return AVERROR_PATCHWELCOME; + } + av_log(s, AV_LOG_WARNING, "HEVC bitstream error, startcode missing, size %d", pkt->size); + if (pkt->size) av_log(s, AV_LOG_WARNING, " data %08X", AV_RB32(pkt->data)); + av_log(s, AV_LOG_WARNING, "\n"); + } + return 0; } static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) @@ -1032,8 +1269,8 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) uint8_t *data = NULL; MpegTSWrite *ts = s->priv_data; MpegTSWriteStream *ts_st = st->priv_data; - const uint64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE) * 2; - int64_t dts = AV_NOPTS_VALUE, pts = AV_NOPTS_VALUE; + const int64_t delay = av_rescale(s->max_delay, 90000, AV_TIME_BASE) * 2; + int64_t dts = pkt->dts, pts = pkt->pts; if (ts->reemit_pat_pmt) { av_log(s, AV_LOG_WARNING, @@ -1048,13 +1285,15 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) ts->flags &= ~MPEGTS_FLAG_REEMIT_PAT_PMT; } - if (pkt->pts != AV_NOPTS_VALUE) - pts = pkt->pts + delay; - if (pkt->dts != AV_NOPTS_VALUE) - dts = pkt->dts + delay; + if (ts->copyts < 1) { + if (pts != AV_NOPTS_VALUE) + pts += delay; + if (dts != AV_NOPTS_VALUE) + dts += delay; + } if (ts_st->first_pts_check && pts == AV_NOPTS_VALUE) { - av_log(s, AV_LOG_ERROR, "first pts value must set\n"); + av_log(s, AV_LOG_ERROR, "first pts value must be set\n"); return AVERROR_INVALIDDATA; } ts_st->first_pts_check = 0; @@ -1062,29 +1301,35 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) if (st->codec->codec_id == AV_CODEC_ID_H264) { const uint8_t *p = buf, *buf_end = p + size; uint32_t state = -1; + int extradd = (pkt->flags & AV_PKT_FLAG_KEY) ? st->codec->extradata_size : 0; + int ret = ff_check_h264_startcode(s, st, pkt); + if (ret < 0) + return ret; - if (pkt->size < 5 || AV_RB32(pkt->data) != 0x0000001) { - av_log(s, AV_LOG_ERROR, "H.264 bitstream malformed, " - "no startcode found, use -bsf h264_mp4toannexb\n"); - return AVERROR_INVALIDDATA; - } + if (extradd && AV_RB24(st->codec->extradata) > 1) + extradd = 0; do { p = avpriv_find_start_code(p, buf_end, &state); av_log(s, AV_LOG_TRACE, "nal %d\n", state & 0x1f); + if ((state & 0x1f) == 7) + extradd = 0; } while (p < buf_end && (state & 0x1f) != 9 && (state & 0x1f) != 5 && (state & 0x1f) != 1); + if ((state & 0x1f) != 5) + extradd = 0; if ((state & 0x1f) != 9) { // AUD NAL - data = av_malloc(pkt->size + 6); + data = av_malloc(pkt->size + 6 + extradd); if (!data) return AVERROR(ENOMEM); - memcpy(data + 6, pkt->data, pkt->size); + memcpy(data + 6, st->codec->extradata, extradd); + memcpy(data + 6 + extradd, pkt->data, pkt->size); AV_WB32(data, 0x00000001); data[4] = 0x09; data[5] = 0xf0; // any slice type (0xe) + rbsp stop one bit buf = data; - size = pkt->size + 6; + size = pkt->size + 6 + extradd; } } else if (st->codec->codec_id == AV_CODEC_ID_AAC) { if (pkt->size < 2) { @@ -1098,12 +1343,14 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) if (!ts_st->amux) { av_log(s, AV_LOG_ERROR, "AAC bitstream not in ADTS format " "and extradata missing\n"); - return AVERROR_INVALIDDATA; - } - + if (!st->nb_frames) + return AVERROR_INVALIDDATA; + } else { av_init_packet(&pkt2); pkt2.data = pkt->data; pkt2.size = pkt->size; + av_assert0(pkt->dts != AV_NOPTS_VALUE); + pkt2.dts = av_rescale_q(pkt->dts, st->time_base, ts_st->amux->streams[0]->time_base); ret = avio_open_dyn_buf(&ts_st->amux->pb); if (ret < 0) @@ -1117,10 +1364,41 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) size = avio_close_dyn_buf(ts_st->amux->pb, &data); ts_st->amux->pb = NULL; buf = data; + } } + } else if (st->codec->codec_id == AV_CODEC_ID_HEVC) { + int ret = check_hevc_startcode(s, st, pkt); + if (ret < 0) + return ret; + } + + 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 > delay/2)) { + 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); + 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 && + av_compare_ts(dts - ts_st->payload_dts, st->time_base, + s->max_delay, AV_TIME_BASE_Q) >= 0))) { + mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_size, + ts_st->payload_pts, ts_st->payload_dts, + ts_st->payload_flags & AV_PKT_FLAG_KEY); + ts_st->payload_size = 0; } - if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) { + if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO || size > ts->pes_payload_size) { + av_assert0(!ts_st->payload_size); // for video and subtitle, write a single pes packet mpegts_write_pes(s, st, buf, size, pts, dts, pkt->flags & AV_PKT_FLAG_KEY); @@ -1128,24 +1406,6 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt) return 0; } - if (ts_st->payload_size + size > ts->pes_payload_size || - (dts != AV_NOPTS_VALUE && ts_st->payload_dts != AV_NOPTS_VALUE && - av_compare_ts(dts - ts_st->payload_dts, st->time_base, - s->max_delay, AV_TIME_BASE_Q) >= 0)) { - if (ts_st->payload_size) { - mpegts_write_pes(s, st, ts_st->payload, ts_st->payload_size, - ts_st->payload_pts, ts_st->payload_dts, - ts_st->payload_flags & AV_PKT_FLAG_KEY); - ts_st->payload_size = 0; - } - if (size > ts->pes_payload_size) { - mpegts_write_pes(s, st, buf, size, pts, dts, - pkt->flags & AV_PKT_FLAG_KEY); - av_free(data); - return 0; - } - } - if (!ts_st->payload_size) { ts_st->payload_pts = pts; ts_st->payload_dts = dts; @@ -1175,7 +1435,6 @@ static void mpegts_write_flush(AVFormatContext *s) ts_st->payload_size = 0; } } - avio_flush(s->pb); } static int mpegts_write_packet(AVFormatContext *s, AVPacket *pkt) @@ -1211,9 +1470,9 @@ static int mpegts_write_end(AVFormatContext *s) service = ts->services[i]; av_freep(&service->provider_name); av_freep(&service->name); - av_free(service); + av_freep(&service); } - av_free(ts->services); + av_freep(&ts->services); return 0; } @@ -1228,15 +1487,39 @@ static const AVOption options[] = { { "mpegts_service_id", "Set service_id field.", offsetof(MpegTSWrite, service_id), AV_OPT_TYPE_INT, { .i64 = 0x0001 }, 0x0001, 0xffff, AV_OPT_FLAG_ENCODING_PARAM }, + { "mpegts_service_type", "Set service_type field.", + 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, + 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, + AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" }, + { "teletext", "Teletext.", + 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, + 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, + 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, + 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, + AV_OPT_FLAG_ENCODING_PARAM, "mpegts_service_type" }, { "mpegts_pmt_start_pid", "Set the first pid of the PMT.", offsetof(MpegTSWrite, pmt_start_pid), AV_OPT_TYPE_INT, - { .i64 = 0x1000 }, 0x1000, 0x1f00, AV_OPT_FLAG_ENCODING_PARAM }, + { .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 }, 0x0100, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM }, - {"mpegts_m2ts_mode", "Enable m2ts mode.", + { .i64 = 0x0100 }, 0x0020, 0x0f00, AV_OPT_FLAG_ENCODING_PARAM }, + { "mpegts_m2ts_mode", "Enable m2ts mode.", offsetof(MpegTSWrite, m2ts_mode), AV_OPT_TYPE_INT, - { .i64 = -1 }, -1, 1, AV_OPT_FLAG_ENCODING_PARAM}, + { .i64 = -1 }, -1, 1, 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 }, @@ -1252,13 +1535,31 @@ 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, { .i64 = 0 }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, + { "mpegts_copyts", "don't offset dts/pts", + offsetof(MpegTSWrite, copyts), AV_OPT_TYPE_INT, + { .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", + offsetof(MpegTSWrite, omit_video_pes_length), AV_OPT_TYPE_INT, + { .i64 = 1 }, 0, 1, AV_OPT_FLAG_ENCODING_PARAM }, { "pcr_period", "PCR retransmission time", 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", + offsetof(MpegTSWrite, pat_period), AV_OPT_TYPE_FLOAT, + { .dbl = INT_MAX }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, + { "sdt_period", "SDT retransmission time limit in seconds", + offsetof(MpegTSWrite, sdt_period), AV_OPT_TYPE_FLOAT, + { .dbl = INT_MAX }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM }, { NULL }, }; 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