February 2010 - MPlayer-dev-eng - lists.mplayerhq.hu

[PATCH] add support of compression algorithm 3 in mkv demuxer
by Alexander Beregalov 02 Jan '12

02 Jan '12

Specs from http://www.matroska.org/technical/specs/ : ContentCompAlgo The compression algorithm used. Algorithms that have been specified so far are: 0 - zlib, 1 - bzlib, 2 - lzo1x, 3 - Header Stripping. ContentCompSettings Settings that might be needed by the decompressor. For Header Stripping (ContentCompAlgo=3), the bytes that were removed from the beggining of each frames of the track. I have such file, it works for me. | + A track | + Track number: 2 | + Track UID: 2 | + Track type: audio | + Lacing flag: 1 | + Default flag: 1 | + Codec ID: A_AC3 | + Content encodings | + Content encoding | + Content compression | + Algorithm: 3 (header removal) | + Settings: length 2, data: 0x0b 0x77 See an attachment. Please comment.

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[PATCH] Network synchronized playback using UDP
by Jason Holt 08 Sep '10

08 Sep '10

I hacked in a simple mechanism to synchronize playback between multiple instances of mplayer over a network. The master sends a UDP datagram to announce its position in the video each time it plays a frame. The slaves check to see if they're within epsilon of the master. If they are, they just advance by a frame. If not, they seek to where the master is. This works out nicely because I can dynamically tweak frame rate, seek and pause on the master and the slaves all follow along. The patch is not compliant with your coding standards. Before I do that work, I wanted to make sure it's a patch you're interested in, and see if you have any particular guidance on things I should move or change.

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[RFC][PATCH]removing gmplayer
by Anton Khirnov 12 Jun '10

12 Jun '10

Hi, i think it's time to finally remove gmplayer. It's ugly and unmaintained and apparently no devs even use it. People who ask for help in #mplayer are always just told to use SMPlayer or some other frontend. Also it seems that most its users simply don't know that there are other (much better) options than gmplayer. I'm attaching a patch that removes it, except for the 'svn rm gui/' part, because it'd make the patch too big. Comments? Anton Khirnov

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[PATCH]Set default mc to 1
by Carl Eugen Hoyos 08 Jun '10

08 Jun '10

Hi! Attached patch makes all PAFF samples playable (with a small, for some samples even acceptable delay), while I do not know of any sample that does not desync immediately with latest svn. Please comment, Carl Eugen

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[PATCH] Add support for ARIB STD-B24 captions
by Michael Wu 21 May '10

21 May '10

Hi, This patch adds support for captions found in ARIB STD-B24 (ISDB) transport streams. It uses libass to render the captions and has support for color and positioning. Captions can be turned on in most cases with -slang jpn , assuming that there is a Japanese caption stream. Thanks, -Michael Wu

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[PATCH] Style tag support for srt and microdvd subtitles
by Jonatan Nilsson 15 May '10

15 May '10

Greetings, This patch adds support for font styles in external srt and microdvd (.sub) subtitles. Srt-subtitles uses html tags to define tags such as <i> for italic, <b> for bold and the <font> tag, which sets size, color and face. Microdvd subtitles uses a format of its own, with tags enclosed in braces { }. The current version of mplayer strips out and ignores html tags in srt files, while nothing is done at all about microdvd tags. Microdvd tags do, however, get stripped by accident (or luck) if libass is used to render them since ass tags also uses braces. What the patch does in short: 1. In subreader.h: added a struct to contain info about any style changes in a subtitle. The existing subtitle struct will now contain a list of these. 2. In subreader.c: rewrote sub_read_line_subviewer and sub_read_line_microdvd to make them handle tags. Tags parsed are saved in the style struct which is added to the subtitle struct. 3. In function libass/ass_mp.c: ass_process_subtitle: added code that converts style structs in the subtitle processed to corresponding ssa tags. 4. In subreader.c: Added corresponding functionality to the functions dump_srt and dump_microdvd to print out the subtitle's style tags. The style changes will only be visible if libass is used to render them. I only had a quick look at how it could be done using the regular font rendering and determined that it would be trickier. That change could possibly be done in the future, the style info is parsed anyway and is available in the subtitle struct. The version of libass that is currently included in mplayer does not handle underline or strike-through, so those styles won't be shown. The external libass handles them however, so as soon as mplayer starts using the external libass they should start working automatically. Along with the patch, I'm also attaching two example subtitle files so you could try it out. I guess the patch is pretty large, I didn't split it because the different patches (if split into logical parts) would patch to the same file, and probably to adjacent parts of it, which may cause more harm than good. But if you want me to split it anyway, I'd be happy to. Regards, Jonatan Nilsson

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Check for termios.h before sys/termios.h?
by Paul B Mahol 14 May '10

14 May '10

At least on FreeBSD sys/termios.h is deprecated.

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[PATCH]Remove attribute packed from char array
by Carl Eugen Hoyos 13 May '10

13 May '10

Hi! Attached patch silences a gcc warning. Please comment, Carl Eugen

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rtp support in mplayer
by chas williams - CONTRACTOR 30 Apr '10

30 Apr '10

while trying to play from rtp/mpeg-es streams i found i needed the following patch: --- stream/rtp.c.000 2008-05-13 17:37:23.000000000 -0400 +++ stream/rtp.c 2008-05-13 18:02:02.000000000 -0400 @@ -246,6 +246,9 @@ headerSize = 12 + 4*rh->b.cc; /* in bytes */ + if (rh->b.pt == 32) /* 32 = MPV from RFC 1890 */ + headerSize += 4; /* skip MPEG video-specific header RFC 2250 */ + *lengthData = lengthPacket - headerSize; *data = (char*) buf + headerSize; to skip over the 4-byte mpeg header present in the file. however, after looking at mplayer a bit harder, i see that there are two rtp decoders/demuxers. the one supplied in libavformat (apparently derived from ffmpeg) seems like it has more smarts. which one should i be using?

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[PATCH] improve dvd subtitle. cmd 7 (CHG_COLCON)
by A Tanaka 22 Mar '10

22 Mar '10

When I watched japanese 'ZODIAC' dvd, subtitle was not displayed in many scene because it uses sub-pictures cmd 7(CHG_COLCON) and spudec.c don't handle it. So this patch is for that. Changes: a) handle cmd 7. b) each cmds sequence will be queued. this make possible to handle fade in/out effect(in another dvd, done with changing alpah values). c) some improvement. avoid alloc/free repeating. I tested with some dvds without any problems.(although cmd7 was only in 'ZODIAC').

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