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| author | arpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-03-08 01:06:03 +0000 |
|---|---|---|
| committer | arpi_esp <arpi_esp@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2001-03-08 01:06:03 +0000 |
| commit | 838cf97bcb165bff85a3b0f69e4bf416ecc415cf (patch) | |
| tree | a9a82e31f4ab18cf35df42a5391592d54cd2d823 /libvo/mga_common.c | |
| parent | 376833ee20e3426caee972e69bcf922486f4aaf8 (diff) | |
| download | mpv-838cf97bcb165bff85a3b0f69e4bf416ecc415cf.tar.bz2 mpv-838cf97bcb165bff85a3b0f69e4bf416ecc415cf.tar.xz | |
mga_vid fixes, code cleanup
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@57 b3059339-0415-0410-9bf9-f77b7e298cf2
Diffstat (limited to 'libvo/mga_common.c')
| -rw-r--r-- | libvo/mga_common.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/libvo/mga_common.c b/libvo/mga_common.c index 96eb765c6a..4fc5084d60 100644 --- a/libvo/mga_common.c +++ b/libvo/mga_common.c @@ -1,7 +1,12 @@ // mga_vid drawing functions -extern int mga_next_frame; +static int mga_next_frame=0; + +static mga_vid_config_t mga_vid_config; +static uint8_t *vid_data, *frames[4]; +static int f; + static void write_frame_g200(uint8_t *y,uint8_t *cr, uint8_t *cb) @@ -161,7 +166,7 @@ vo_mga_flip_page(void) #if 1 ioctl(f,MGA_VID_FSEL,&mga_next_frame); - mga_next_frame=(mga_next_frame+1)&3; + mga_next_frame=(mga_next_frame+1)%mga_vid_config.num_frames; vid_data=frames[mga_next_frame]; #endif @@ -218,3 +223,29 @@ query_format(uint32_t format) return 0; } +static int mga_init(){ + char *frame_mem; + + mga_vid_config.num_frames=4; + mga_vid_config.version=MGA_VID_VERSION; + if (ioctl(f,MGA_VID_CONFIG,&mga_vid_config)) + { + perror("Error in mga_vid_config ioctl"); + return -1; + } + ioctl(f,MGA_VID_ON,0); + + frames[0] = (char*)mmap(0,mga_vid_config.frame_size*mga_vid_config.num_frames,PROT_WRITE,MAP_SHARED,f,0); + frames[1] = frames[0] + 1*mga_vid_config.frame_size; + frames[2] = frames[0] + 2*mga_vid_config.frame_size; + frames[3] = frames[0] + 3*mga_vid_config.frame_size; + mga_next_frame = 0; + vid_data = frames[mga_next_frame]; + + //clear the buffer + memset(frames[0],0x80,mga_vid_config.frame_size*mga_vid_config.num_frames); + + return 0; + +} + |