MPEG - Revision history

DoesItReallyMatter: /* Further reading */ New section, misc.

2019-05-16T03:56:29Z

DoesItReallyMatter: /* Transcoding and Streaming */ Bug #1965 has been fixed for years now

2019-04-07T00:03:17Z

Transcoding and Streaming: Bug #1965 has been fixed for years now

← Older revision		Revision as of 00:03, 7 April 2019
Line 28:		Line 28:
	=== Transcoding and Streaming ===		=== Transcoding and Streaming ===

	~~According to [https://trac.videolan.org/vlc/ticket/~~1965 ~~bug #1965], ('''Note: this bug has since been fixed''')~~ in order to [[transcode]] and stream an MPEG-1 or MPEG-2 payload~~, you MUST supply a framerate of 25 fps to the transcoder~~. ~~Here~~'~~s an example:~~		{{Bug\|1965}} formerly required supplying a framerate of 25 in order to [[transcode]] and stream an MPEG-1 or MPEG-2 payload.<br />
	~~{{%}} :sout=#transcode{vcodec=mp2v,vb=30,fps=25,scale=1,~~...}		'''This has been fixed since 2.0.0.'''

	~~When using the GUI, this must be done by adding or editing a profile under "Transcoding Options," and changing the "Frame Rate" field under the "Video Codec" tab to 25.~~

	''HINT:'' Use an MPEG-TS (transport) stream container if you are streaming MPEG through the network (see [[#Container formats\|Container Formats]]).		''HINT:'' Use an MPEG-TS (transport) stream container if you are streaming MPEG through the network (see [[#Container formats\|Container Formats]]).

DoesItReallyMatter: /* TS, MPEG2 Transport Stream */ -{{Check}}. Options --ts-dump-file, --ts-dump-append and --ts-dump-size were removed in 2.1.x with the summary "There is a dump demux for that."

2019-03-14T07:18:20Z

TS, MPEG2 Transport Stream: -{{Check}}. Options --ts-dump-file, --ts-dump-append and --ts-dump-size were removed in 2.1.x with the summary "There is a dump demux for that."

← Older revision		Revision as of 07:18, 14 March 2019
Line 61:		Line 61:
	{{Transcluded\|Documentation:Modules/ts}}		{{Transcluded\|Documentation:Modules/ts}}
	{{:Documentation:Modules/ts}}		{{:Documentation:Modules/ts}}
	* --ts-dump-file (file name){{Check\|for=Check: where did this come from?}}
	*: A filename do dump ts into.
	* --ts-dump-append ([[boolean]]){{Check\|for=Check: where did this come from?}}
	*: Append data to the dump file. Default is false, which overwrites the file.
	* --ts-dump-size ([[integer]]){{Check\|for=Check: where did this come from?}}
	*: The size of the buffer for reading/writing an integer number of packets. Default: 16384 bytes.

	===== Accepted video codecs =====		===== Accepted video codecs =====

DoesItReallyMatter: /* TS, MPEG2 Transport Stream */ Transclude from Documentation:Modules/ts. The module options are now accurate as well. Add {{Check}} to options I can't verify

2019-03-14T06:53:35Z

TS, MPEG2 Transport Stream: Transclude from Documentation:Modules/ts. The module options are now accurate as well. Add {{Check}} to options I can't verify

← Older revision		Revision as of 06:53, 14 March 2019
Line 59:		Line 59:

	===== Module options =====		===== Module options =====
	* --ts-extra-pmt ([[string]])		{{Transcluded\|Documentation:Modules/ts}}
	*: Extra PMT. Allows a user to specify an extra pmt (pmt_pid=pid:~~stream_type[,...]).~~		{{:Documentation:Modules/ts}}
	* --ts~~-es-id-pid" ([[boolean]])~~		* --ts-dump-file (file name){{Check\|for=Check: where did this come from?}}
	~~Set the internal ID of each elementary stream handled by VLC to the same value as the PID in the TS stream, instead of 1, 2, 3, etc. Useful to do '#duplicate~~{~~..., select="es=<pid>"}'."). Default is true.~~
	* --ts-out ([[string]])
	*: ~~Fast [[UDP]] streaming. Sends TS to specific ip~~:~~port by udp (you must know what you are doing). Default off.~~
	* --ts~~-out-mtu ([[integer]])~~
	*: MTU for out mode. Default 1500.
	* --ts-csa-ck ([[string]])
	*: Control word for the CSA encryption algorithm.
	* --ts-csa-pkt ([[integer]])
	*: Default: 188
	* --ts-silent ([[boolean]])
	*: Supresses complaints for encrypted PES. Default false.
	* --ts-dump-file (file name)
	*: A filename do dump ts into.		*: A filename do dump ts into.
	* --ts-dump-append ([[boolean]])		* --ts-dump-append ([[boolean]]){{Check\|for=Check: where did this come from?}}
	*: Append data to the dump file. Default is false, which overwrites the file.		*: Append data to the dump file. Default is false, which overwrites the file.
	* --ts-dump-size ([[integer]])		* --ts-dump-size ([[integer]]){{Check\|for=Check: where did this come from?}}
	*: The size of the buffer for reading/writing an integer number of packets. Default: 16384 bytes.		*: The size of the buffer for reading/writing an integer number of packets. Default: 16384 bytes.

DoesItReallyMatter: /* PS, aka MPEG Program Stream */ Transclude from Documentation:Modules/ps

2019-03-14T06:19:15Z

PS, aka MPEG Program Stream: Transclude from Documentation:Modules/ps

← Older revision		Revision as of 06:19, 14 March 2019
Line 105:		Line 105:

	===== Module options =====		===== Module options =====
	* --ps~~-trust-timestamps ([[boolean]])~~		{{Transcluded\|Documentation:Modules/ps}}
	*: ~~Turns on or off trusting the timestamps in the file. Set as false to work it out from the [[bitrate]]s. Default true.~~		{{:Documentation:Modules/ps}}

	===== Accepted video codecs =====		===== Accepted video codecs =====

DoesItReallyMatter: /* MPEG-1 and 2 */ See also: H.262/MPEG-2 Part 2 (MPEG-2 video)

2019-02-24T22:36:55Z

MPEG-1 and 2: See also: H.262/MPEG-2 Part 2 (MPEG-2 video)

← Older revision		Revision as of 22:36, 24 February 2019
Line 10:		Line 10:

	== <span id="MPEG-1"></span><span id="MPEG-2"></span> MPEG-1 and 2 ==		== <span id="MPEG-1"></span><span id="MPEG-2"></span> MPEG-1 and 2 ==
			{{see also\|H.262/MPEG-2 Part 2}}
	{{wikipedia\|MPEG-1}}		{{wikipedia\|MPEG-1}}
	{{wikipedia\|MPEG-2}}		{{wikipedia\|MPEG-2}}

DoesItReallyMatter: Setting page anchor: #MPEG-3 to "MPEG-3"

2019-02-06T09:03:36Z

Setting page anchor: #MPEG-3 to "MPEG-3"

← Older revision		Revision as of 09:03, 6 February 2019
Line 124:		Line 124:
	{{clear}}		{{clear}}

	== MPEG-3 ==		== <span id="MPEG-3"></span> MPEG-3 ==
	{{wikipedia\|MPEG-3}}		{{wikipedia\|MPEG-3}}
	A largely unused audio and video compression format.		A largely unused audio and video compression format.

DoesItReallyMatter: Setting page anchors: #MPEG-1 to "MPEG-1 and 2", #MPEG-2 "MPEG-1 and 2"

2019-02-06T08:59:37Z

Setting page anchors: #MPEG-1 to "MPEG-1 and 2", #MPEG-2 "MPEG-1 and 2"

← Older revision		Revision as of 08:59, 6 February 2019
Line 9:		Line 9:
	* Transcode the audio and video to formats able to be held in the container: in general this is the MPEG video and audio formats only. Check the [https://www.videolan.org/streaming/features.html compatibility information] in the official documentation, but be warned that while VLC allows any codec and mux, most other players support only a few combinations!		* Transcode the audio and video to formats able to be held in the container: in general this is the MPEG video and audio formats only. Check the [https://www.videolan.org/streaming/features.html compatibility information] in the official documentation, but be warned that while VLC allows any codec and mux, most other players support only a few combinations!

	== MPEG-1 and 2 ==		== <span id="MPEG-1"></span><span id="MPEG-2"></span> MPEG-1 and 2 ==
	{{wikipedia\|MPEG-1}}		{{wikipedia\|MPEG-1}}
	{{wikipedia\|MPEG-2}}		{{wikipedia\|MPEG-2}}

DoesItReallyMatter: New page anchors: #TS for "TS, MPEG2 Transport Stream", #PS for "PS, aka MPEG Program Stream"

2019-02-02T05:18:13Z

New page anchors: #TS for "TS, MPEG2 Transport Stream", #PS for "PS, aka MPEG Program Stream"

← Older revision		Revision as of 05:18, 2 February 2019
Line 54:		Line 54:
	Both ps and ts can transport MPEG-4 Video, but only ts can send MPEG-4 Audio. In addition, MPEG-4 specifies its own container format, '''mp4''' (see [[MPEG-4]])		Both ps and ts can transport MPEG-4 Video, but only ts can send MPEG-4 Audio. In addition, MPEG-4 specifies its own container format, '''mp4''' (see [[MPEG-4]])

	==== TS, MPEG2 Transport Stream ====		==== <span id="TS"></span> TS, MPEG2 Transport Stream ====
	{{mux\|id=ts\|encoder=y}}		{{mux\|id=ts\|encoder=y}}

Line 100:		Line 100:
	* [[telx]]		* [[telx]]

	==== PS, aka MPEG Program Stream ====		==== <span id="PS"></span> PS, aka MPEG Program Stream ====
	{{mux\|id=ps\|encoder=y}}		{{mux\|id=ps\|encoder=y}}

DoesItReallyMatter: /* Transcoding and Streaming */ Bug 1965 is reported fixed about 7 years ago. Not sure which version exactly

2019-01-27T05:11:42Z

Transcoding and Streaming: Bug 1965 is reported fixed about 7 years ago. Not sure which version exactly

← Older revision		Revision as of 05:11, 27 January 2019
Line 27:		Line 27:
	=== Transcoding and Streaming ===		=== Transcoding and Streaming ===

	According to [~~http~~://trac.videolan.org/vlc/ticket/1965 bug #1965], in order to [[transcode]] and stream an MPEG-1 or MPEG-2 payload, you MUST supply a framerate of 25 fps to the transcoder. Here's an example:		According to [https://trac.videolan.org/vlc/ticket/1965 bug #1965], ('''Note: this bug has since been fixed''') in order to [[transcode]] and stream an MPEG-1 or MPEG-2 payload, you MUST supply a framerate of 25 fps to the transcoder. Here's an example:
	{{%}} :sout=#transcode{vcodec=mp2v,vb=30,fps=25,scale=1,...}		{{%}} :sout=#transcode{vcodec=mp2v,vb=30,fps=25,scale=1,...}

← Older revision		Revision as of 03:56, 16 May 2019
Line 11:		Line 11:
	== <span id="MPEG-1"></span><span id="MPEG-2"></span> MPEG-1 and 2 ==		== <span id="MPEG-1"></span><span id="MPEG-2"></span> MPEG-1 and 2 ==
	{{see also\|H.262/MPEG-2 Part 2}}		{{see also\|H.262/MPEG-2 Part 2}}
	{{wikipedia\|MPEG-1}}		{{wikipedia\|MPEG-1\|MPEG-2}}
	~~{{wikipedia~~\|MPEG-2}}

	* Muxer: '''ts''', '''ps''', '''mpeg1'''		* Muxer: '''ts''', '''ps''', '''mpeg1'''
Line 98:		Line 97:
	* [[a52]]		* [[a52]]
	* [[lpcm]]		* [[lpcm]]

	===== Accepted subtitle codecs =====		===== Accepted subtitle codecs =====
	* [[spu]]		* [[spu]]
Line 112:		Line 112:

	== MPEG-4 ==		== MPEG-4 ==
	''See ~~'''[[~~MPEG-4~~]]'''.''~~		{{See\|MPEG-4}}

	== Source code ==		== Source code ==
Line 119:		Line 119:
	{{file\|modules/demux/mpeg/ts.c\|input demuxer}}		{{file\|modules/demux/mpeg/ts.c\|input demuxer}}
	{{file\|modules/demux/mpeg/ps.h\|input demuxer}}		{{file\|modules/demux/mpeg/ps.h\|input demuxer}}

			== Further reading ==
			* [https://sound.media.mit.edu/resources/mpeg4/audio/ sound.media.mit.edu - The MPEG Audio Web Page]