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Code Issues Releases Wiki Activity

Add NV12 colorspace support to VIDIX driver.

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patch by Magnus Damm <magnus dot damm at gmail dot com>


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@27430 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
ben 2008-08-07 12:28:28 +00:00
parent e0b1c9a6b7
commit f56b633045
2 changed files with 33 additions and 0 deletions
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32
libvo/vosub_vidix.c
View File

@ -212,6 +212,34 @@ static uint32_t vidix_draw_slice_packed(uint8_t *image[], int stride[], int w,in
return 0;
}
static uint32_t vidix_draw_slice_nv12(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
uint8_t *src;
uint8_t *dest;
int i;
/* Plane Y */
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
dest += dstrides.y*y + x;
src = image[0];
for(i=0;i<h;i++){
memcpy(dest,src,w);
src+=stride[0];
dest += dstrides.y;
}
/* Plane UV */
dest = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.u;
dest += dstrides.u*y/2 + x;
src = image[1];
for(i=0;i<h/2;i++){
memcpy(dest,src,w);
src+=stride[1];
dest+=dstrides.u;
}
return 0;
}
static uint32_t vidix_draw_slice(uint8_t *image[], int stride[], int w,int h,int x,int y)
{
mp_msg(MSGT_VO,MSGL_WARN, MSGTR_LIBVO_SUB_VIDIX_DummyVidixdrawsliceWasCalled);
@ -254,6 +282,7 @@ static void draw_alpha(int x0,int y0, int w,int h, unsigned char* src, unsigned
lvo_mem = vidix_mem + vidix_play.offsets[next_frame] + vidix_play.offset.y;
apitch = vidix_play.dest.pitch.y-1;
switch(vidix_play.fourcc){
case IMGFMT_NV12:
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
@ -449,6 +478,7 @@ int vidix_init(unsigned src_width,unsigned src_height,
switch(format)
{
case IMGFMT_NV12:
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
@ -495,6 +525,8 @@ int vidix_init(unsigned src_width,unsigned src_height,
vo_server->draw_slice = vidix_draw_slice_420;
else if (src_format == IMGFMT_YVU9 || src_format == IMGFMT_IF09)
vo_server->draw_slice = vidix_draw_slice_410;
else if (src_format == IMGFMT_NV12)
vo_server->draw_slice = vidix_draw_slice_nv12;
else vo_server->draw_slice = vidix_draw_slice_packed;
}
return 0;

1
vidix/fourcc.h
View File

@ -51,6 +51,7 @@
#define IMGFMT_YV12 vid_fourcc('Y','V','1','2') /* 12 YVU 4:2:0 */
#define IMGFMT_I420 vid_fourcc('I','4','2','0') /* 12 YUV 4:2:0 */
#define IMGFMT_IYUV vid_fourcc('I','Y','U','V') /* 12 YUV 4:2:0 */
#define IMGFMT_NV12 vid_fourcc('N','V','1','2')
#define IMGFMT_CLPL vid_fourcc('C','L','P','L') /* 12 */
#define IMGFMT_Y800 vid_fourcc('Y','8','0','0') /* 8 Y Grayscale */
#define IMGFMT_Y8 vid_fourcc('Y','8',' ',' ') /* 8 Y Grayscale */