return pkt + 4;
}
+static int get_pes_stream_id(AVFormatContext *s, AVStream *st, int stream_id, int *async)
+{
+ MpegTSWrite *ts = s->priv_data;
+ *async = 0;
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ if (st->codecpar->codec_id == AV_CODEC_ID_DIRAC)
+ return STREAM_ID_EXTENDED_STREAM_ID;
+ else
+ return STREAM_ID_VIDEO_STREAM_0;
+ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
+ (st->codecpar->codec_id == AV_CODEC_ID_MP2 ||
+ st->codecpar->codec_id == AV_CODEC_ID_MP3 ||
+ st->codecpar->codec_id == AV_CODEC_ID_AAC)) {
+ return STREAM_ID_AUDIO_STREAM_0;
+ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
+ st->codecpar->codec_id == AV_CODEC_ID_AC3 &&
+ ts->m2ts_mode) {
+ return STREAM_ID_EXTENDED_STREAM_ID;
+ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA &&
+ st->codecpar->codec_id == AV_CODEC_ID_TIMED_ID3) {
+ return STREAM_ID_PRIVATE_STREAM_1;
+ } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
+ if (stream_id == STREAM_ID_PRIVATE_STREAM_1) /* asynchronous KLV */
+ *async = 1;
+ return stream_id != -1 ? stream_id : STREAM_ID_METADATA_STREAM;
+ } else {
+ return STREAM_ID_PRIVATE_STREAM_1;
+ }
+}
+
/* Add a PES header to the front of the payload, and segment into an integer
* number of TS packets. The final TS packet is padded using an oversized
* adaptation header to exactly fill the last TS packet.
MpegTSWrite *ts = s->priv_data;
uint8_t buf[TS_PACKET_SIZE];
uint8_t *q;
- int val, is_start, len, header_len, write_pcr, is_dvb_subtitle, is_dvb_teletext, flags;
+ int val, is_start, len, header_len, write_pcr, flags;
int afc_len, stuffing_len;
+ int is_dvb_subtitle = (st->codecpar->codec_id == AV_CODEC_ID_DVB_SUBTITLE);
+ int is_dvb_teletext = (st->codecpar->codec_id == AV_CODEC_ID_DVB_TELETEXT);
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;
if (is_start) {
int pes_extension = 0;
int pes_header_stuffing_bytes = 0;
+ int async;
/* write PES header */
*q++ = 0x00;
*q++ = 0x00;
*q++ = 0x01;
- is_dvb_subtitle = 0;
- is_dvb_teletext = 0;
- if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
- if (st->codecpar->codec_id == AV_CODEC_ID_DIRAC)
- *q++ = STREAM_ID_EXTENDED_STREAM_ID;
- else
- *q++ = STREAM_ID_VIDEO_STREAM_0;
- } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
- (st->codecpar->codec_id == AV_CODEC_ID_MP2 ||
- st->codecpar->codec_id == AV_CODEC_ID_MP3 ||
- st->codecpar->codec_id == AV_CODEC_ID_AAC)) {
- *q++ = STREAM_ID_AUDIO_STREAM_0;
- } else if (st->codecpar->codec_type == AVMEDIA_TYPE_AUDIO &&
- st->codecpar->codec_id == AV_CODEC_ID_AC3 &&
- ts->m2ts_mode) {
- *q++ = STREAM_ID_EXTENDED_STREAM_ID;
- } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA &&
- st->codecpar->codec_id == AV_CODEC_ID_TIMED_ID3) {
- *q++ = STREAM_ID_PRIVATE_STREAM_1;
- } else if (st->codecpar->codec_type == AVMEDIA_TYPE_DATA) {
- *q++ = stream_id != -1 ? stream_id : STREAM_ID_METADATA_STREAM;
-
- if (stream_id == STREAM_ID_PRIVATE_STREAM_1) /* asynchronous KLV */
- pts = dts = AV_NOPTS_VALUE;
- } else {
- *q++ = STREAM_ID_PRIVATE_STREAM_1;
- if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
- if (st->codecpar->codec_id == AV_CODEC_ID_DVB_SUBTITLE) {
- is_dvb_subtitle = 1;
- } else if (st->codecpar->codec_id == AV_CODEC_ID_DVB_TELETEXT) {
- is_dvb_teletext = 1;
- }
- }
- }
+ *q++ = stream_id = get_pes_stream_id(s, st, stream_id, &async);
+ if (async)
+ pts = dts = AV_NOPTS_VALUE;
+
header_len = 0;
- flags = 0;
- if (pts != AV_NOPTS_VALUE) {
- header_len += 5;
- flags |= 0x80;
- }
- if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
- header_len += 5;
- flags |= 0x40;
- }
- if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
- st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
- /* set PES_extension_flag */
- pes_extension = 1;
- flags |= 0x01;
-
- /* One byte for PES2 extension flag +
- * one byte for extension length +
- * 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->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;
- }
- if (is_dvb_teletext) {
- pes_header_stuffing_bytes = 0x24 - header_len;
- header_len = 0x24;
- }
- len = payload_size + header_len + 3;
- /* 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->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
- len = 0;
- }
- *q++ = len >> 8;
- *q++ = len;
- val = 0x80;
- /* data alignment indicator is required for subtitle and data streams */
- if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
- val |= 0x04;
- *q++ = val;
- *q++ = flags;
- *q++ = header_len;
- if (pts != AV_NOPTS_VALUE) {
- write_pts(q, flags >> 6, pts);
- q += 5;
- }
- if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
- write_pts(q, 1, dts);
- q += 5;
- }
- if (pes_extension && st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
- flags = 0x01; /* set PES_extension_flag_2 */
- *q++ = flags;
- *q++ = 0x80 | 0x01; /* marker bit + extension length */
- /* Set the stream ID extension flag bit to 0 and
- * write the extended stream ID. */
- *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 */
+
+ if (stream_id != STREAM_ID_PROGRAM_STREAM_MAP &&
+ stream_id != STREAM_ID_PADDING_STREAM &&
+ stream_id != STREAM_ID_PRIVATE_STREAM_2 &&
+ stream_id != STREAM_ID_ECM_STREAM &&
+ stream_id != STREAM_ID_EMM_STREAM &&
+ stream_id != STREAM_ID_PROGRAM_STREAM_DIRECTORY &&
+ stream_id != STREAM_ID_DSMCC_STREAM &&
+ stream_id != STREAM_ID_TYPE_E_STREAM) {
+
+ flags = 0;
+ if (pts != AV_NOPTS_VALUE) {
+ header_len += 5;
+ flags |= 0x80;
+ }
+ if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
+ header_len += 5;
+ flags |= 0x40;
+ }
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
+ st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
+ /* set PES_extension_flag */
+ pes_extension = 1;
+ flags |= 0x01;
+
+ /* One byte for PES2 extension flag +
+ * one byte for extension length +
+ * 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->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;
+ }
+ if (is_dvb_teletext) {
+ pes_header_stuffing_bytes = 0x24 - header_len;
+ header_len = 0x24;
+ }
+ len = payload_size + header_len + 3;
+ /* 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->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) {
+ len = 0;
+ }
+ *q++ = len >> 8;
+ *q++ = len;
+ val = 0x80;
+ /* data alignment indicator is required for subtitle and data streams */
+ if (st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE || st->codecpar->codec_type == AVMEDIA_TYPE_DATA)
+ val |= 0x04;
+ *q++ = val;
*q++ = flags;
- *q++ = 0x80 | 0x01; /* marker bit + extension length */
- *q++ = 0x00 | 0x71; /* for AC3 Audio (specifically on blue-rays) */
- }
+ *q++ = header_len;
+ if (pts != AV_NOPTS_VALUE) {
+ write_pts(q, flags >> 6, pts);
+ q += 5;
+ }
+ if (dts != AV_NOPTS_VALUE && pts != AV_NOPTS_VALUE && dts != pts) {
+ write_pts(q, 1, dts);
+ q += 5;
+ }
+ if (pes_extension && st->codecpar->codec_id == AV_CODEC_ID_DIRAC) {
+ flags = 0x01; /* set PES_extension_flag_2 */
+ *q++ = flags;
+ *q++ = 0x80 | 0x01; /* marker bit + extension length */
+ /* Set the stream ID extension flag bit to 0 and
+ * write the extended stream ID. */
+ *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 (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;
+ 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;
+ }
+ } else {
+ len = payload_size;
+ *q++ = len >> 8;
+ *q++ = len;
}
is_start = 0;
}
projects / ffmpeg / blobdiff