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mirror of https://github.com/mpv-player/mpv synced 2025-03-30 23:38:10 +00:00

alpha support by Alan Young <ayoung@teleport.com>

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8523 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
alex 2002-12-22 16:21:02 +00:00
parent 9c8fef57bc
commit d8fbdcf563

View File

@ -22,11 +22,33 @@ static vd_info_t info = {
LIBVD_EXTERN(realvid)
static unsigned long (*rvyuv_custom_message)(unsigned long*,void*);
/*
* Structures for data packets. These used to be tables of unsigned ints, but
* that does not work on 64 bit platforms (e.g. Alpha). The entries that are
* pointers get truncated. Pointers on 64 bit platforms are 8 byte longs.
* So we have to use structures so the compiler will assign the proper space
* for the pointer.
*/
typedef struct cmsg_data_s {
uint32_t data1;
uint32_t data2;
uint32_t* dimensions;
} cmsg_data_t;
typedef struct transform_in_s {
uint32_t len;
uint32_t unknown1;
uint32_t chunks;
uint32_t* extra;
uint32_t unknown2;
uint32_t timestamp;
} transform_in_t;
static unsigned long (*rvyuv_custom_message)(cmsg_data_t* ,void*);
static unsigned long (*rvyuv_free)(void*);
static unsigned long (*rvyuv_hive_message)(unsigned long,unsigned long);
static unsigned long (*rvyuv_init)(void*, void*); // initdata,context
static unsigned long (*rvyuv_transform)(char*, char*,unsigned long*,unsigned long*,void*);
static unsigned long (*rvyuv_transform)(char*, char*,transform_in_t*,unsigned int*,void*);
static void *rv_handle=NULL;
@ -167,9 +189,9 @@ static int init(sh_video_t *sh){
}
// setup rv30 codec (codec sub-type and image dimensions):
if(extrahdr[1]>=0x20200002){
unsigned long cmsg24[4]={sh->disp_w,sh->disp_h,sh->disp_w,sh->disp_h};
unsigned long cmsg_data[3]={0x24,1+((extrahdr[0]>>16)&7),(unsigned long) &cmsg24};
(*rvyuv_custom_message)(cmsg_data,sh->context);
uint32_t cmsg24[4]={sh->disp_w,sh->disp_h,sh->disp_w,sh->disp_h};
cmsg_data_t cmsg_data={0x24,1+((extrahdr[0]>>16)&7), &cmsg24[0]};
(*rvyuv_custom_message)(&cmsg_data,sh->context);
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: RealVideo codec init OK!\n");
return 1;
@ -198,12 +220,12 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
unsigned char* dp_data=((unsigned char*)data)+sizeof(dp_hdr_t);
uint32_t* extra=(uint32_t*)(((char*)data)+dp_hdr->chunktab);
unsigned long transform_out[5];
unsigned long transform_in[6]={
unsigned int transform_out[5];
transform_in_t transform_in={
dp_hdr->len, // length of the packet (sub-packets appended)
0, // unknown, seems to be unused
dp_hdr->chunks, // number of sub-packets - 1
(unsigned long) extra, // table of sub-packet offsets
extra, // table of sub-packet offsets
0, // unknown, seems to be unused
dp_hdr->timestamp,// timestamp (the integer value from the stream)
};
@ -214,7 +236,7 @@ static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
sh->disp_w, sh->disp_h);
if(!mpi) return NULL;
result=(*rvyuv_transform)(dp_data, mpi->planes[0], transform_in,
result=(*rvyuv_transform)(dp_data, mpi->planes[0], &transform_in,
transform_out, sh->context);
return (result?NULL:mpi);