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patch by Per Wigren <wigren@home.se>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@7896 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2002-10-24 17:39:12 +00:00
parent ef97f44160
commit 76b9620138
1 changed files with 21 additions and 18 deletions
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39
libmpcodecs/vf_bmovl.c
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@ -6,22 +6,28 @@
* Use MPlayer as a framebuffer to read bitmaps and commands from a FIFO
* and display them in the window.
*
* FIXME: INSTRUCTION IS OUT OF DATE!!!
*
* It understands the following format:
* COMMAND width height xpos ypos alpha clear
*
* Commands are:
* RGBA32 Followed by WIDTH*HEIGHT of raw RGBA32 data.
* BGRA32 Followed by WIDTH*HEIGHT of raw BGRA32 data.
* RGB24 Followed by WIDTH*HEIGHT of raw RGB24 data.
* ALPHA Set alpha for area. Values can be -255 to 255.
* 0 = No change
* CLEAR Zero area
* OPAQUE Disable all alpha transparency!
* Send an ALPHA command with 0's to enable again!
* HIDE Hide bitmap
* SHOW Show bitmap
*
* RGBA32 width height xpos ypos alpha clear
* * Followed by width*height*4 bytes of raw RGBA32 data.
* ABGR32 width height xpos ypos alpha clear
* * Followed by width*height*4 bytes of raw ABGR32 data.
* RGB24 width height xpos ypos alpha clear
* * Followed by width*height*3 bytes of raw RGB32 data.
* BGR24 width height xpos ypos alpha clear
* * Followed by width*height*3 bytes of raw BGR32 data.
*
* ALPHA width height xpos ypos alpha
* * Change alpha for area
* CLEAR width height xpos ypos
* * Clear area
* OPAQUE
* * Disable all alpha transparency!
* Send "ALPHA 0 0 0 0 0" to enable again!
* HIDE
* * Hide bitmap
* SHOW
* * Show bitmap
*
* Arguments are:
* width, height Size of image/area
@ -37,9 +43,6 @@
* one, so you don't need to send 1,8MB of RGBA32 data
* everytime a small part of the screen is updated.
*
* Note that you always have to send all arguments, even if they are not
* used for a particular command!
*
* Arguments for the filter are hidden:opaque:fifo
* For example 1:0:/tmp/myfifo.fifo will start the filter hidden, transparent
* and use /tmp/myfifo.fifo as the fifo.