diff --git a/DOCS/DVB b/DOCS/DVB index 3f6ec87b9d..76fd6b3203 100644 --- a/DOCS/DVB +++ b/DOCS/DVB @@ -13,9 +13,6 @@ Requirements: How to enable? ~~~~~~~~~~~~~~ -1. Download ffmpeg-CVS and copy libavcodec to mplayer (see DOCS for details) - -2. Compile mplayer: ./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 @@ -25,35 +22,42 @@ How to enable? How to use? ~~~~~~~~~~~ -To play standard mpeg 1/2 files: (hardware decoding) +Hardware decoding: (play standard mpeg 1/2 files) mplayer -ao mpegpes -vo mpegpes file.mpg|vob -To play non-standard mpeg files: (software decoding) +Software decoding/transcoding anything to mpeg1: - mplayer -ao mpegpes -vo mpegpes -vc mpeg12 file.mpg|vob - -To play divx files: - - mplayer -ao mpegpes -vo mpegpes file.avi|asf|mov... + mplayer -ao mpegpes -vo mpegpes -vop lavc yourfile.ext + mplayer -ao mpegpes -vo mpegpes -vop fame,expand yourfile.ext -To play non-25fps movies, or with slow CPU, add option: -framedrop + 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: + mplayer -ao mpegpes -vo mpegpes -vop lavc,scale=512:576 -Image size: -~~~~~~~~~~~ -DVB card allows only 2 vertical resolutions: 288 and 576. -If your video height differs, you have to clip it or extend by adding -black bands. It's done by mplayer, just specify image size using the --x and -y options. You must use either -y 288 or -y 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: + mplayer -ao mpegpes -vo mpegpes -vop lavc,expand=640:576 file.avi -To force pan&scan (16:9 at 4:3 TV), add options: -x 352 -y 288 + If you have slow cpu to view 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: + mplayer -ao mpegpes -vo mpegpes -vop lavc,scale=352:288 file.avi -If you have powerfull CPU, you can also scale image up, using the -swscale filter. For example, to watch a 640x288 video fullscreen, -use -vop scale=640:400 -Note that you don't have to scale horizontally, the card will do it -by hardware, but you have to scale vertically keeping the aspect ratio. + 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 Mailing list: ~~~~~~~~~~~~~ @@ -69,4 +73,3 @@ Future plans/TODO: - display OSD and subtitles using DVB card's OSD feature - better (more fluent) playback of non-25fps movies - realtime transcoding between mpeg2 <-> mpeg4 (partial decompression) -- better quality for lowres mpeg1