Index: DOCS/DVB =================================================================== RCS file: /cvsroot/mplayer/main/DOCS/DVB,v retrieving revision 1.9 diff -u -r1.9 DVB --- DOCS/DVB 6 May 2002 23:20:02 -0000 1.9 +++ DOCS/DVB 30 May 2002 22:41:13 -0000 @@ -1,85 +1,100 @@ - Some words about Siemens-DVB card support. by A'rpi ========================================== Requirements: ~~~~~~~~~~~~~ -- Siemens DVB-S card or compatible (technotrend,galaxis,hauppage etc) - see www.linuxtv.org for details and download latest driver there. -- MPlayer-CVS, ffmpeg-libavcodec CVS are recommended for speed & pp. -- Fast CPU - 1GHz+ recommended at least for software transcoding (divx->mpeg) +- Siemens DVB-S card or compatible (Technotrend, Galaxis, Hauppauge, etc) + See www.linuxtv.org for details and download latest driver there. +- MPlayer-CVS, FFmpeg libavcodec CVS are recommended for speed & postprocessing. +- Fast CPU - at least 1GHz recommended for software transcoding (DivX -> MPEG). How to enable? ~~~~~~~~~~~~~~ - ./configure should detect it. If didn't, force with ./configure --enable-dvb - If you have ost headers at non-standard path, set it with: - --with-extraincdir=/ost/include +'./configure' should detect it. If it did not, force detection with + + ./configure --enable-dvb + +If you have ost headers at a non-standard path, set the path with + + ./configure --with-extraincdir=/ost/include + +Then compile and install as usual: + make make install How to use? ~~~~~~~~~~~ -Hardware decoding: (play standard mpeg 1/2 files) + +Hardware decoding: (play standard MPEG1/2 files) mplayer -ao mpegpes -vo mpegpes file.mpg|vob -Software decoding/transcoding anything to mpeg1: +Software decoding/transcoding anything to MPEG1: mplayer -ao mpegpes -vo mpegpes -vop lavc yourfile.ext mplayer -ao mpegpes -vo mpegpes -vop fame,expand yourfile.ext - Note: the DVB card only supports height 288 and 576 for PAL, - 240 and 480 for NTSC. For other heights, you MUST rescale it, - by adding 'scale=w:h' to the -vop option, where w:h are width:height - you want. Note, that DVB card accepts various widths, like 720, 704, 640, - 512, 480, 352 etc, so you don't need to scale horizontally in most cases! - (the card will do hardware scaling in horizontal direction!) - For example, for a 512x384 (aspect 4:3) divx try: +Note: The DVB card only supports height 288 and 576 for PAL, 240 and 480 for +NTSC. You MUST rescale for other heights by adding 'scale=w:h' to the '-vop' +option, where 'w:h' are the width and height you want. Note that DVB cards accept +various widths, like 720, 704, 640, 512, 480, 352 etc and do hardware scaling in +horizontal direction, so you do not need to scale horizontally in most cases. +For example, for a 512x384 (aspect 4:3) DivX try: + mplayer -ao mpegpes -vo mpegpes -vop lavc,scale=512:576 - If you have widescreen movie, and you don't want to scale it to full - height, you can use the 'expand=w:h' plugin to add black bands. - For example, to view a 640x384 divx, try: +If you have a widescreen movie and you do not want to scale it to full height, +you can use the 'expand=w:h' plugin to add black bands. +For example, to view a 640x384 DivX, try: + mplayer -ao mpegpes -vo mpegpes -vop lavc,expand=640:576 file.avi - If you have slow cpu to view 720x576 divx in full size, try to downscale: +If your CPU is too slow to view a 720x576 DivX in full size, try to downscale: + mplayer -ao mpegpes -vo mpegpes -vop lavc,scale=352:576 file.avi - Or if still slow, try to downscale vertically too: + +If it is still slow, try to downscale vertically, too: + mplayer -ao mpegpes -vo mpegpes -vop lavc,scale=352:288 file.avi - Do you want osd, and subtitles? Use the expand plugin's osd feature! - So, instead of expand=w:h or expand=w:h:x:y, use expand=w:h:x:y:1 - (the 5th parameter :1 at the end will enable osd rendering) - You may want to move image up a bit to get bigger black zone for subtitles. - And you may want to move subtitles up, if they're out of your TV screen, - use the -subpos <0-100> switch (-subpos 80 is perfect for me). - -To play non-25fps movies on PAL TV, or with slow CPU, add option: -framedrop - -How to keep aspect ratio for DivX files? -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -To get the optimal scaling parameters (use hardware for X scaling, and -scale Y by software, keeping the right aspect ratio), use the new 'dvbscale' -plugin: +Do you want OSD, and subtitles? Use the expand feature of the OSD plugin! +So, instead of 'expand=w:h' or 'expand=w:h:x:y', use 'expand=w:h:x:y:1' (the 5th +parameter ':1' at the end will enable OSD rendering). You may want to move the +image up a bit to get bigger black zone for subtitles. And you may want to move +subtitles up, if they are out of your TV screen, use the '-subpos <0-100>' switch +('-subpos 80' is perfect for me). + +In order to play non-25fps movies on a PAL TV or with a slow CPU, add the +'-framedrop' option. + + +How to keep the aspect ratio for DivX files? +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +To get the optimal scaling parameters (hardware X scaling, software Y scaling, +while keeping the right aspect ratio), use the new 'dvbscale' plugin: for 3:4 TV: -vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale for 16:9 TV: -vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale=1024 + Mailing list: ~~~~~~~~~~~~~ + http://mplayerhq.hu/mailman/listinfo/mplayer-dvb -List's language is ENGLISH. Please avoid using german or other languages! -Subscribe, and ask/discuss your problems here. -I'll also post feature announces to this list. +List language is ENGLISH. Please avoid using German or other languages! +Subscribe, and ask/discuss your problems there. +I will also post feature announcements to this list. + Future plans/TODO: ~~~~~~~~~~~~~~~~~~ -- display OSD and subtitles using DVB card's OSD feature +- display OSD and subtitles using the OSD feature of DVB cards - better (more fluent) playback of non-25fps movies - realtime transcoding between mpeg2 <-> mpeg4 (partial decompression)