table of contents
ps2ts(1) | General Commands Manual | ps2ts(1) |
NAME¶
ps2ts
— Extract a
program stream from a Transport Stream
SYNOPSIS¶
ps2ts |
-pid pid |
-video | -audio
[-err stdout ] [-err
stderr ] [-verbose |
-v ] [-quiet |
-q ] [-max
max_pkts | -m
max_pkts] [-dvd |
-notdvd | -nodvd ]
[-vstream vstream_no]
[-astream astream_no]
[-ac3stream ac3stream_no]
[-host host[:port]]
[-vpid vpid_no]
[-apid apid_no]
[-noaudio ] [-pmt
pmt_pid_no] [-prepeat
pat_freq] [-pad
pad_pkts] [-h264 |
-avc | -h262 |
-mp42 | -vtype
video_type] [-dolby
dvd | atsc ]
in_file | -stdin
out_file | -stdout |
DESCRIPTION¶
Convert an H.222 program stream to H.222 transport stream.
This program does not make use of any Program Stream Map packets in the data (mainly because I have yet to see data with any). This means that the program has to determine the stream type of the data based on the first few ES units.
This program does not output more than one video and one audio stream. If the program stream data contains more than one of each, the first will be used, and the others ignored (with a message indicating this).
It is assumed that the video stream will contain DTS values in its PES packets at reasonable intervals, which can be used as PCR values in the transport stream, and thus the video stream's PID can be used as the PCR PID in the transport stream.
Files¶
- in_file
- is a file containing the program stream data (but see -stdin below)
- out_file
-
is a transport stream file (but see -stdout and -host below)
input switches¶
-stdin
- take input from <stdin>, instead of a named file
-dvd
- The PS data is from a DVD. This is the default. This switch has no effect on MPEG-1 PS data.
-notdvd
,-nodvd
- The PS data is not from a DVD. The DVD specification stores AC-3 (Dolby), DTS and other audio in a specialised manner in private_stream_1.
-vstream
vstream_no- Take video from video stream vstream_no (0..7). The default is the first video stream found.
-astream
astream_no- Take audio from audio stream astream_no (0..31). The default is the first audio stream found (this includes private_stream_1 on non-DVD streams).
-ac3stream
astream_no- Take audio from AC3 substream ac3stream_no (0..7), from private_stream_1. This implies -dvd. (If audio is being taken from a substream, the user is assumed to have determined which one is wanted, e.g., using psreport)
Output Switches¶
-err stdout
- Write error messages to standard output (the default)
-err stderr
- Write error messages to standard error (Unix traditional)
-host
host[:Arport]- Writes output (over TCP/IP) to the named <host>, instead of to a named file. If <port> is not specified, it defaults to 88.
-vpid
vpid_no- vpid_no is the video PID to use for the data. Use '-vpid 0x<pid>' to specify a hex value. Defaults to 0x68.
-apid
apid_no- apid_no is the audio PID to use for the data. Use '-apid 0x<pid>' to specify a hex value. Defaults to 0x67.
-noaudio
- Don't output the audio data
-pmt
pmt_pid_no- pmt_pid_no is the PMT PID to use. Use '-pmt 0x<pid>' to specify a hex value. Defaults to 0x66
-prepeat
pat_freq- Output the program data (PAT/PMT) after every pat_freq PS packs. Defaults to 100.
-pad
pad_pkts- Pad the start with pad_pkts filler TS packets, to allow a TS reader to synchronize with the datastream. Defaults to 8.
General switches¶
Stream type¶
When the TS data is being output, it is flagged to indicate whether it conforms to H.262, H.264, etc. It is important to get this right, as it will affect interpretation of the TS data.
If input is from a file, then the program will look at the start of the file to determine if the stream is H.264 or H.262 data. This process may occasionally come to the wrong conclusion, in which case the user can override the choice using the following switches.
If input is from standard input (via -stdin), then it is not possible for the program to make its own decision on the input stream type. Instead, it defaults to H.262, and relies on the user indicating if this is wrong.
-h264
,-avc
- Force the program to treat the input as MPEG-4/AVC.
-h262
- Force the program to treat the input as MPEG-2.
-mp42
- Force the program to treat the input as MPEG-4/Part 2.
-vtype
video_type- Force the program to treat the input as video of stream type <type> (e.g., 0x42 means AVS video). It is up to the user to specify a valid <type>.
SEE ALSO¶
October 28, 2015 | Debian |