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Code

Cinepak YUY2 support

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3647 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-21 17:49:31 +00:00
parent a2fa5b433f
commit 85e02b6d9a
3 changed files with 91 additions and 1 deletions
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89
cinepak.c
View File

@ -51,6 +51,88 @@ static unsigned char *in_buffer, uiclip[1024], *uiclp = NULL;
(in_buffer[-4] << 24 | in_buffer[-3] << 16 | in_buffer[-2] << 8 | in_buffer[-1])))
/* ---------------------------------------------------------------------- */
static inline void read_codebook_yuy2(cvid_codebook *c, int mode)
{
if(mode) /* black and white */
{
c->y0 = get_byte();
c->y1 = get_byte();
c->y2 = get_byte();
c->y3 = get_byte();
c->u = c->v = 128;
}
else /* colour */
{
c->y0 = get_byte(); /* luma */
c->y1 = get_byte();
c->y2 = get_byte();
c->y3 = get_byte();
c->u = 128+get_byte(); /* chroma */
c->v = 128+get_byte();
}
}
//#define PACK_YUV(cb,y0,y1,u,v) ((cb->y0<<24)|(((unsigned char)cb->u)<<16)|(cb->y1<<8)|(((unsigned char)cb->v)))
#define PACK_YUV(cb,y0,y1,u,v) ((((unsigned char)cb->v)<<24)|(cb->y1<<16)|(((unsigned char)cb->u)<<8)|(cb->y0))
#define TO_YUY2_U0(cb) PACK_YUV(cb,y0,y0,u,v)
#define TO_YUY2_U1(cb) PACK_YUV(cb,y1,y1,u,v)
#define TO_YUY2_L0(cb) PACK_YUV(cb,y2,y2,u,v)
#define TO_YUY2_L1(cb) PACK_YUV(cb,y3,y3,u,v)
#define TO_YUY2_U(cb) PACK_YUV(cb,y0,y1,u,v)
#define TO_YUY2_L(cb) PACK_YUV(cb,y2,y3,u,v)
/* ------------------------------------------------------------------------ */
inline void cvid_v1_yuy2(unsigned char *frm, unsigned char *end, int stride, cvid_codebook *cb)
{
unsigned long *vptr = (unsigned long *)frm, rgb;
int row_inc = stride/4;
vptr[0] = TO_YUY2_U0(cb);
vptr[1] = TO_YUY2_U1(cb);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_U0(cb);
vptr[1] = TO_YUY2_U1(cb);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_L0(cb);
vptr[1] = TO_YUY2_L1(cb);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_L0(cb);
vptr[1] = TO_YUY2_L1(cb);
}
/* ------------------------------------------------------------------------ */
inline void cvid_v4_yuy2(unsigned char *frm, unsigned char *end, int stride, cvid_codebook *cb0,
cvid_codebook *cb1, cvid_codebook *cb2, cvid_codebook *cb3)
{
unsigned long *vptr = (unsigned long *)frm;
int row_inc = stride/4;
vptr[0] = TO_YUY2_U(cb0);
vptr[1] = TO_YUY2_U(cb1);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_L(cb0);
vptr[1] = TO_YUY2_L(cb1);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_U(cb2);
vptr[1] = TO_YUY2_U(cb3);
vptr += row_inc; if(vptr > (unsigned long *)end) return;
vptr[0] = TO_YUY2_L(cb2);
vptr[1] = TO_YUY2_L(cb3);
}
/* ---------------------------------------------------------------------- */
static inline void read_codebook_32(cvid_codebook *c, int mode)
{
@ -139,6 +221,7 @@ int row_inc = stride/4;
}
/* ---------------------------------------------------------------------- */
static inline void read_codebook_24(cvid_codebook *c, int mode)
{
@ -294,6 +377,12 @@ void (*cvid_v4)(unsigned char *frm, unsigned char *end, int stride, cvid_codeboo
switch(bit_per_pixel)
{
case 16:
bpp = 2;
read_codebook = read_codebook_yuy2;
cvid_v1 = cvid_v1_yuy2;
cvid_v4 = cvid_v4_yuy2;
break;
case 24:
bpp = 3;
read_codebook = read_codebook_24;

2
dec_video.c
View File

@ -564,7 +564,7 @@ unsigned int t2;
switch(sh_video->codec->driver){
case VFM_CINEPAK:
decode_cinepak(sh_video->context, start, in_size, sh_video->our_out_buffer,
sh_video->disp_w, sh_video->disp_h, out_fmt&255);
sh_video->disp_w, sh_video->disp_h, (out_fmt==IMGFMT_YUY2)?16:(out_fmt&255));
blit_frame = 3;
break;
#ifdef USE_XANIM

1
etc/codecs.conf
View File

@ -266,6 +266,7 @@ videocodec cvid
status working
fourcc cvid,CVID
driver cinepak
out YUY2
out BGR32,BGR24
videocodec msrle