RepoMirrors
/
mpv
mirror of https://github.com/mpv-player/mpv
1
0
Fork 0
Code Issues Releases Wiki Activity
mpv/libmpcodecs/vd_xanim.c

826 lines
22 KiB
C
Raw Blame History

/*
XAnim Video Codec DLL support
It partly emulates the Xanim codebase.
You need the -rdynamic flag to use this with gcc.
(C) 2001-2002 Alex Beregszaszi <alex@naxine.org>
and Arpad Gereoffy <arpi@thot.banki.hu>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* strerror */
#include "config.h"
#ifdef USE_XANIM
#include "mp_msg.h"
#include "vd_internal.h"
static vd_info_t info = {
"XAnim codecs",
"xanim",
"A'rpi & Alex",
"Xanim (http://xanim.va.pubnix.com/)",
"binary codec plugins"
};
LIBVD_EXTERN(xanim)
#ifdef __FreeBSD__
#include <unistd.h>
#endif
#include <dlfcn.h> /* dlsym, dlopen, dlclose */
#include <stdarg.h> /* va_alist, va_start, va_end */
#include <errno.h> /* strerror, errno */
#include "mp_msg.h"
#include "bswap.h"
#include "linux/timer.h"
#include "libvo/fastmemcpy.h"
#if 0
/* this should be removed */
#ifndef RTLD_NOW
#define RLTD_NOW 2
#endif
#ifndef RTLD_LAZY
#define RLTD_LAZY 1
#endif
#ifndef RTLD_GLOBAL
#define RLTD_GLOBAL 256
#endif
#endif
typedef struct
{
unsigned int what;
unsigned int id;
int (*iq_func)(); /* init/query function */
unsigned int (*dec_func)(); /* opt decode function */
} XAVID_FUNC_HDR;
#define XAVID_WHAT_NO_MORE 0x0000
#define XAVID_AVI_QUERY 0x0001
#define XAVID_QT_QUERY 0x0002
#define XAVID_DEC_FUNC 0x0100
#define XAVID_API_REV 0x0003
typedef struct
{
unsigned int api_rev;
char *desc;
char *rev;
char *copyright;
char *mod_author;
char *authors;
unsigned int num_funcs;
XAVID_FUNC_HDR *funcs;
} XAVID_MOD_HDR;
/* XA CODEC .. */
typedef struct
{
void *anim_hdr;
unsigned int compression;
unsigned int x, y;
unsigned int depth;
void *extra;
unsigned int xapi_rev;
unsigned int (*decoder)();
char *description;
unsigned int avi_ctab_flag;
unsigned int (*avi_read_ext)();
} XA_CODEC_HDR;
#define CODEC_SUPPORTED 1
#define CODEC_UNKNOWN 0
#define CODEC_UNSUPPORTED -1
/* fuckin colormap structures for xanim */
typedef struct
{
unsigned short red;
unsigned short green;
unsigned short blue;
unsigned short gray;
} ColorReg;
typedef struct XA_ACTION_STRUCT
{
int type;
int cmap_rev;
unsigned char *data;
struct XA_ACTION_STRUCT *next;
struct XA_CHDR_STRUCT *chdr;
ColorReg *h_cmap;
unsigned int *map;
struct XA_ACTION_STRUCT *next_same_chdr;
} XA_ACTION;
typedef struct XA_CHDR_STRUCT
{
unsigned int rev;
ColorReg *cmap;
unsigned int csize, coff;
unsigned int *map;
unsigned int msize, moff;
struct XA_CHDR_STRUCT *next;
XA_ACTION *acts;
struct XA_CHDR_STRUCT *new_chdr;
} XA_CHDR;
typedef struct
{
unsigned int cmd;
unsigned int skip_flag;
unsigned int imagex, imagey; /* image buffer size */
unsigned int imaged; /* image depth */
XA_CHDR *chdr; /* color map header */
unsigned int map_flag;
unsigned int *map;
unsigned int xs, ys;
unsigned int xe, ye;
unsigned int special;
void *extra;
} XA_DEC_INFO;
typedef struct
{
unsigned int file_num;
unsigned int anim_type;
unsigned int imagex;
unsigned int imagey;
unsigned int imagec;
unsigned int imaged;
} XA_ANIM_HDR;
typedef struct {
XA_DEC_INFO *decinfo;
void *file_handler;
long (*iq_func)(XA_CODEC_HDR *codec_hdr);
unsigned int (*dec_func)(unsigned char *image, unsigned char *delta,
unsigned int dsize, XA_DEC_INFO *dec_info);
mp_image_t *mpi;
} vd_xanim_ctx;
#if 0
typedef char xaBYTE;
typedef short xaSHORT;
typedef int xaLONG;
typedef unsigned char xaUBYTE;
typedef unsigned short xaUSHORT;
typedef unsigned int xaULONG;
#endif
#define xaFALSE 0
#define xaTRUE 1
#define ACT_DLTA_NORM 0x00000000
#define ACT_DLTA_BODY 0x00000001
#define ACT_DLTA_XOR 0x00000002
#define ACT_DLTA_NOP 0x00000004
#define ACT_DLTA_MAPD 0x00000008
#define ACT_DLTA_DROP 0x00000010
#define ACT_DLTA_BAD 0x80000000
#define XA_CLOSE_FUNCS 5
int xa_close_funcs = 0;
void *xa_close_func[XA_CLOSE_FUNCS];
/* load, init and query */
static int xacodec_load(sh_video_t *sh, char *filename)
{
vd_xanim_ctx *priv = sh->context;
void *(*what_the)();
char *error;
XAVID_MOD_HDR *mod_hdr;
XAVID_FUNC_HDR *func;
int i;
// priv->file_handler = dlopen(filename, RTLD_NOW|RTLD_GLOBAL);
priv->file_handler = dlopen(filename, RTLD_LAZY);
if (!priv->file_handler)
{
error = dlerror();
if (error)
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to dlopen %s while %s\n", filename, error);
else
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to dlopen %s\n", filename);
return(0);
}
what_the = dlsym(priv->file_handler, "What_The");
if ((error = dlerror()) != NULL)
{
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: failed to init %s while %s\n", filename, error);
dlclose(priv->file_handler);
return(0);
}
mod_hdr = what_the();
if (!mod_hdr)
{
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: initializer function failed in %s\n", filename);
dlclose(priv->file_handler);
return(0);
}
mp_msg(MSGT_DECVIDEO, MSGL_V, "=== XAnim Codec ===\n");
mp_msg(MSGT_DECVIDEO, MSGL_V, " Filename: %s (API revision: %x)\n", filename, mod_hdr->api_rev);
mp_msg(MSGT_DECVIDEO, MSGL_V, " Codec: %s. Rev: %s\n", mod_hdr->desc, mod_hdr->rev);
if (mod_hdr->copyright)
mp_msg(MSGT_DECVIDEO, MSGL_V, " %s\n", mod_hdr->copyright);
if (mod_hdr->mod_author)
mp_msg(MSGT_DECVIDEO, MSGL_V, " Module Author(s): %s\n", mod_hdr->mod_author);
if (mod_hdr->authors)
mp_msg(MSGT_DECVIDEO, MSGL_V, " Codec Author(s): %s\n", mod_hdr->authors);
if (mod_hdr->api_rev > XAVID_API_REV)
{
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: not supported api revision (%d) in %s\n",
mod_hdr->api_rev, filename);
dlclose(priv->file_handler);
return(0);
}
func = mod_hdr->funcs;
if (!func)
{
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: function table error in %s\n", filename);
dlclose(priv->file_handler);
return(0);
}
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Exported functions by codec: [functable: 0x%08x entries: %d]\n",
mod_hdr->funcs, mod_hdr->num_funcs);
for (i = 0; i < (int)mod_hdr->num_funcs; i++)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " %d: %d %d [iq:0x%08x d:0x%08x]\n",
i, func[i].what, func[i].id, func[i].iq_func, func[i].dec_func);
if (func[i].what & XAVID_AVI_QUERY)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " 0x%08x: avi init/query func (id: %d)\n",
func[i].iq_func, func[i].id);
priv->iq_func = (void *)func[i].iq_func;
}
if (func[i].what & XAVID_QT_QUERY)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " 0x%08x: qt init/query func (id: %d)\n",
func[i].iq_func, func[i].id);
priv->iq_func = (void *)func[i].iq_func;
}
if (func[i].what & XAVID_DEC_FUNC)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, " 0x%08x: decoder func (init/query: 0x%08x) (id: %d)\n",
func[i].dec_func, func[i].iq_func, func[i].id);
priv->dec_func = (void *)func[i].dec_func;
}
}
return(1);
}
static int xacodec_query(sh_video_t *sh, XA_CODEC_HDR *codec_hdr)
{
vd_xanim_ctx *priv = sh->context;
long ret;
#if 0
/* the brute one */
if (priv->dec_func)
{
codec_hdr->decoder = priv->dec_func;
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "We got decoder's address at init! %p\n", codec_hdr->decoder);
return(1);
}
#endif
ret = priv->iq_func(codec_hdr);
switch(ret)
{
case CODEC_SUPPORTED:
priv->dec_func = (void *)codec_hdr->decoder;
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "Codec is supported: found decoder for %s at 0x%08x\n",
codec_hdr->description, codec_hdr->decoder);
return(1);
case CODEC_UNSUPPORTED:
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "Codec (%s) is unsupported by dll\n",
codec_hdr->description);
return(0);
case CODEC_UNKNOWN:
default:
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "Codec (%s) is unknown by dll\n",
codec_hdr->description);
return(0);
}
}
void XA_Print(char *fmt, ...)
{
va_list vallist;
char buf[1024];
va_start(vallist, fmt);
vsnprintf(buf, 1024, fmt, vallist);
mp_msg(MSGT_XACODEC, MSGL_DBG2, "[xacodec] %s\n", buf);
va_end(vallist);
return;
}
/* 0 is no debug (needed by 3ivX) */
long xa_debug = 0;
void TheEnd1(char *err_mess)
{
XA_Print("error: %s - exiting\n", err_mess);
/* we should exit here... */
return;
}
void XA_Add_Func_To_Free_Chain(XA_ANIM_HDR *anim_hdr, void (*function)())
{
// XA_Print("XA_Add_Func_To_Free_Chain('anim_hdr: %08x', 'function: %08x')",
// anim_hdr, function);
xa_close_func[xa_close_funcs] = function;
if (xa_close_funcs+1 < XA_CLOSE_FUNCS)
xa_close_funcs++;
return;
}
unsigned long XA_Time_Read()
{
return GetTimer(); //(GetRelativeTime());
}
void XA_dummy()
{
XA_Print("dummy() called");
}
void XA_Gen_YUV_Tabs(XA_ANIM_HDR *anim_hdr)
{
XA_Print("XA_Gen_YUV_Tabs('anim_hdr: %08x')", anim_hdr);
return;
}
void JPG_Setup_Samp_Limit_Table(XA_ANIM_HDR *anim_hdr)
{
XA_Print("JPG_Setup_Samp_Limit_Table('anim_hdr: %08x')", anim_hdr);
return;
}
void JPG_Alloc_MCU_Bufs(XA_ANIM_HDR *anim_hdr, unsigned int width,
unsigned int height, unsigned int full_flag)
{
XA_Print("JPG_Alloc_MCU_Bufs('anim_hdr: %08x', 'width: %d', 'height: %d', 'full_flag: %d')",
anim_hdr, width, height, full_flag);
return;
}
/* --------------- 4x4 pixel YUV block fillers [CVID] ----------------- */
typedef struct
{
unsigned char r0, g0, b0;
unsigned char r1, g1, b1;
unsigned char r2, g2, b2;
unsigned char r3, g3, b3;
unsigned int clr0_0, clr0_1, clr0_2, clr0_3;
unsigned int clr1_0, clr1_1, clr1_2, clr1_3;
unsigned int clr2_0, clr2_1, clr2_2, clr2_3;
unsigned int clr3_0, clr3_1, clr3_2, clr3_3;
} XA_2x2_Color;
#define SET_4_YUV_PIXELS(image,x,y,cmap2x2) \
image->planes[0][((x)+0)+((y)+0)*image->stride[0]]=cmap2x2->clr0_0;\
image->planes[0][((x)+1)+((y)+0)*image->stride[0]]=cmap2x2->clr0_1;\
image->planes[0][((x)+0)+((y)+1)*image->stride[0]]=cmap2x2->clr0_2;\
image->planes[0][((x)+1)+((y)+1)*image->stride[0]]=cmap2x2->clr0_3;\
image->planes[1][((x)>>1)+((y)>>1)*image->stride[1]]=cmap2x2->clr1_0;\
image->planes[2][((x)>>1)+((y)>>1)*image->stride[2]]=cmap2x2->clr1_1;
void XA_2x2_OUT_1BLK_Convert(unsigned char *image_p, unsigned int x, unsigned int y,
unsigned int imagex, XA_2x2_Color *cmap2x2)
{
mp_image_t *mpi = (mp_image_t *)image_p;
#if 0
SET_4_YUV_PIXELS(mpi,x,y,cmap2x2)
#else
SET_4_YUV_PIXELS(mpi,x,y,cmap2x2)
SET_4_YUV_PIXELS(mpi,x+2,y,cmap2x2)
SET_4_YUV_PIXELS(mpi,x,y+2,cmap2x2)
SET_4_YUV_PIXELS(mpi,x+2,y+2,cmap2x2)
#endif
return;
}
void XA_2x2_OUT_4BLKS_Convert(unsigned char *image_p, unsigned int x, unsigned int y,
unsigned int imagex, XA_2x2_Color *cm0, XA_2x2_Color *cm1, XA_2x2_Color *cm2,
XA_2x2_Color *cm3)
{
mp_image_t *mpi = (mp_image_t *)image_p;
SET_4_YUV_PIXELS(mpi,x,y,cm0)
SET_4_YUV_PIXELS(mpi,x+2,y,cm1)
SET_4_YUV_PIXELS(mpi,x,y+2,cm2)
SET_4_YUV_PIXELS(mpi,x+2,y+2,cm3)
return;
}
void *YUV2x2_Blk_Func(unsigned int image_type, int blks, unsigned int dith_flag)
{
mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "YUV2x2_Blk_Func(image_type=%d, blks=%d, dith_flag=%d)\n",
image_type, blks, dith_flag);
switch(blks){
case 1:
return (void*) XA_2x2_OUT_1BLK_Convert;
case 4:
return (void*) XA_2x2_OUT_4BLKS_Convert;
}
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Unimplemented: YUV2x2_Blk_Func(image_type=%d blks=%d dith=%d)\n",image_type,blks,dith_flag);
return (void*) XA_dummy;
}
// Take Four Y's and UV and put them into a 2x2 Color structure.
void XA_YUV_2x2_clr(XA_2x2_Color *cmap2x2, unsigned int Y0, unsigned int Y1,
unsigned int Y2, unsigned int Y3, unsigned int U, unsigned int V,
unsigned int map_flag, unsigned int *map, XA_CHDR *chdr)
{
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV_2x2_clr(%p [%d,%d,%d,%d][%d][%d] %d %p %p)\n",
cmap2x2,Y0,Y1,Y2,Y3,U,V,map_flag,map,chdr);
cmap2x2->clr0_0=Y0;
cmap2x2->clr0_1=Y1;
cmap2x2->clr0_2=Y2;
cmap2x2->clr0_3=Y3;
cmap2x2->clr1_0=U;
cmap2x2->clr1_1=V;
return;
}
void *YUV2x2_Map_Func(unsigned int image_type, unsigned int dith_type)
{
mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "YUV2x2_Map_Func('image_type: %d', 'dith_type: %d')",
image_type, dith_type);
return((void*)XA_YUV_2x2_clr);
}
/* -------------------- whole YUV frame converters ------------------------- */
typedef struct
{
unsigned char *Ybuf;
unsigned char *Ubuf;
unsigned char *Vbuf;
unsigned char *the_buf;
unsigned int the_buf_size;
unsigned short y_w, y_h;
unsigned short uv_w, uv_h;
} YUVBufs;
typedef struct
{
unsigned long Uskip_mask;
long *YUV_Y_tab;
long *YUV_UB_tab;
long *YUV_VR_tab;
long *YUV_UG_tab;
long *YUV_VG_tab;
} YUVTabs;
YUVBufs jpg_YUVBufs;
YUVTabs def_yuv_tabs;
/* -------------- YUV 4x4 1x1 1x1 (4:1:0 aka YVU9) [Indeo 3,4,5] ------------------ */
void XA_YUV1611_Convert(unsigned char *image_p, unsigned int imagex, unsigned int imagey,
unsigned int i_x, unsigned int i_y, YUVBufs *yuv, YUVTabs *yuv_tabs,
unsigned int map_flag, unsigned int *map, XA_CHDR *chdr)
{
sh_video_t *sh = (sh_video_t*)image_p;
vd_xanim_ctx *priv = sh->context;
mp_image_t *mpi;
int y;
int ystride=(yuv->y_w)?yuv->y_w:imagex;
int uvstride=(yuv->uv_w)?yuv->uv_w:(imagex/4);
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUVTabs: %d %p %p %p %p %p\n",yuv_tabs->Uskip_mask,
yuv_tabs->YUV_Y_tab,
yuv_tabs->YUV_UB_tab,
yuv_tabs->YUV_VR_tab,
yuv_tabs->YUV_UG_tab,
yuv_tabs->YUV_VG_tab );
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV1611_Convert('image: %08x', 'imagex: %d', 'imagey: %d', 'i_x: %d', 'i_y: %d', 'yuv_bufs: %08x', 'yuv_tabs: %08x', 'map_flag: %d', 'map: %08x', 'chdr: %08x')",
image_p, imagex, imagey, i_x, i_y, yuv, yuv_tabs, map_flag, map, chdr);
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUV: %p %p %p %X (%d) %dx%d %dx%d\n",
yuv->Ybuf,yuv->Ubuf,yuv->Vbuf,yuv->the_buf,yuv->the_buf_size,
yuv->y_w,yuv->y_h,yuv->uv_w,yuv->uv_h);
if(!yuv_tabs->YUV_Y_tab){
// standard YVU9 - simply export it!
mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0,
sh->disp_w, sh->disp_h);
priv->mpi=mpi; if(!mpi) return; // ERROR!
mpi->planes[0]=yuv->Ybuf;
mpi->planes[1]=yuv->Ubuf;
mpi->planes[2]=yuv->Vbuf;
mpi->width=imagex;
mpi->stride[0]=ystride; //i_x; // yuv->y_w
mpi->stride[1]=mpi->stride[2]=uvstride; //i_x/4; // yuv->uv_w
return;
}
// allocate TEMP buffer and convert the image:
mpi = mpcodecs_get_image(sh, MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
sh->disp_w, sh->disp_h);
priv->mpi=mpi; if(!mpi) return; // ERROR!
// convert the Y plane:
for(y=0;y<(int)imagey;y++){
unsigned int x;
unsigned char* s=yuv->Ybuf+ystride*y;
unsigned char* d=mpi->planes[0]+mpi->stride[0]*y;
for(x=0;x<imagex;x++) d[x]=s[x]<<1;
}
imagex>>=2;
imagey>>=2;
// convert the U plane:
for(y=0;y<(int)imagey;y++){
unsigned int x;
unsigned char* s=yuv->Ubuf+uvstride*y;
unsigned char* d=mpi->planes[1]+mpi->stride[1]*y;
for(x=0;x<imagex;x++) d[x]=s[x]<<1;
}
// convert the V plane:
for(y=0;y<(int)imagey;y++){
unsigned int x;
unsigned char* s=yuv->Vbuf+uvstride*y;
unsigned char* d=mpi->planes[2]+mpi->stride[2]*y;
for(x=0;x<imagex;x++) d[x]=s[x]<<1;
}
}
void *XA_YUV1611_Func(unsigned int image_type)
{
mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "XA_YUV1611_Func('image_type: %d')", image_type);
return((void *)XA_YUV1611_Convert);
}
/* --------------- YUV 2x2 1x1 1x1 (4:2:0 aka YV12) [3ivX,H263] ------------ */
void XA_YUV221111_Convert(unsigned char *image_p, unsigned int imagex, unsigned int imagey,
unsigned int i_x, unsigned int i_y, YUVBufs *yuv, YUVTabs *yuv_tabs, unsigned int map_flag,
unsigned int *map, XA_CHDR *chdr)
{
sh_video_t *sh = (sh_video_t*)image_p;
vd_xanim_ctx *priv = sh->context;
mp_image_t *mpi;
// note: 3ivX codec doesn't set y_w, uv_w, they are random junk :(
int ystride=imagex; //(yuv->y_w)?yuv->y_w:imagex;
int uvstride=imagex/2; //(yuv->uv_w)?yuv->uv_w:(imagex/2);
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "XA_YUV221111_Convert(%p %dx%d %d;%d [%dx%d] %p %p %d %p %p)\n",
image_p,imagex,imagey,i_x,i_y, sh->disp_w, sh->disp_h,
yuv,yuv_tabs,map_flag,map,chdr);
mp_dbg(MSGT_DECVIDEO,MSGL_DBG3, "YUV: %p %p %p %X (%X) %Xx%X %Xx%X\n",
yuv->Ybuf,yuv->Ubuf,yuv->Vbuf,yuv->the_buf,yuv->the_buf_size,
yuv->y_w,yuv->y_h,yuv->uv_w,yuv->uv_h);
// standard YV12 - simply export it!
mpi = mpcodecs_get_image(sh, MP_IMGTYPE_EXPORT, 0, sh->disp_w, sh->disp_h);
priv->mpi=mpi; if(!mpi) return; // ERROR!
mpi->planes[0]=yuv->Ybuf;
mpi->planes[1]=yuv->Ubuf;
mpi->planes[2]=yuv->Vbuf;
mpi->width=imagex;
mpi->stride[0]=ystride; //i_x; // yuv->y_w
mpi->stride[1]=mpi->stride[2]=uvstride; //=i_x/4; // yuv->uv_w
}
void *XA_YUV221111_Func(unsigned int image_type)
{
mp_dbg(MSGT_DECVIDEO,MSGL_DBG2, "XA_YUV221111_Func('image_type: %d')\n",image_type);
return((void *)XA_YUV221111_Convert);
}
/* *** EOF XANIM *** */
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh)
{
vd_xanim_ctx *priv;
char *def_path = XACODEC_PATH;
char dll[1024];
XA_CODEC_HDR codec_hdr;
int i;
priv = malloc(sizeof(vd_xanim_ctx));
if (!priv)
return 0;
sh->context = priv;
memset(priv, 0, sizeof(vd_xanim_ctx));
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12)) return 0;
priv->iq_func = NULL;
priv->dec_func = NULL;
for (i=0; i < XA_CLOSE_FUNCS; i++)
xa_close_func[i] = NULL;
if (getenv("XANIM_MOD_DIR"))
def_path = getenv("XANIM_MOD_DIR");
snprintf(dll, 1024, "%s/%s", def_path, sh->codec->dll);
if (xacodec_load(sh, dll) == 0)
return(0);
codec_hdr.xapi_rev = XAVID_API_REV;
codec_hdr.anim_hdr = malloc(4096);
codec_hdr.description = sh->codec->info;
codec_hdr.compression = bswap_32(sh->bih->biCompression);
codec_hdr.decoder = NULL;
codec_hdr.x = sh->bih->biWidth; /* ->disp_w */
codec_hdr.y = sh->bih->biHeight; /* ->disp_h */
/* extra fields to store palette */
codec_hdr.avi_ctab_flag = 0;
codec_hdr.avi_read_ext = NULL;
codec_hdr.extra = NULL;
switch(sh->codec->outfmt[sh->outfmtidx])
{
case IMGFMT_BGR32:
codec_hdr.depth = 32;
break;
case IMGFMT_BGR24:
codec_hdr.depth = 24;
break;
case IMGFMT_IYUV:
case IMGFMT_I420:
case IMGFMT_YV12:
codec_hdr.depth = 12;
break;
case IMGFMT_YVU9:
codec_hdr.depth = 9;
break;
default:
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: not supported image out format (%s)\n",
vo_format_name(sh->codec->outfmt[sh->outfmtidx]));
return(0);
}
mp_msg(MSGT_DECVIDEO, MSGL_INFO, "xacodec: querying for input %dx%d %dbit [fourcc: %4x] (%s)...\n",
codec_hdr.x, codec_hdr.y, codec_hdr.depth, codec_hdr.compression, codec_hdr.description);
if (xacodec_query(sh, &codec_hdr) == 0)
return(0);
// free(codec_hdr.anim_hdr);
priv->decinfo = malloc(sizeof(XA_DEC_INFO));
if (priv->decinfo == NULL)
{
mp_msg(MSGT_DECVIDEO, MSGL_FATAL, "xacodec: memory allocation error: %s\n",
strerror(errno));
return(0);
}
priv->decinfo->cmd = 0;
priv->decinfo->skip_flag = 0;
priv->decinfo->imagex = priv->decinfo->xe = codec_hdr.x;
priv->decinfo->imagey = priv->decinfo->ye = codec_hdr.y;
priv->decinfo->imaged = codec_hdr.depth;
priv->decinfo->chdr = NULL;
priv->decinfo->map_flag = 0; /* xaFALSE */
priv->decinfo->map = NULL;
priv->decinfo->xs = priv->decinfo->ys = 0;
priv->decinfo->special = 0;
priv->decinfo->extra = codec_hdr.extra;
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "decinfo->extra, filled by codec: 0x%08x [%s]\n",
&priv->decinfo->extra, priv->decinfo->extra);
return(1);
}
// uninit driver
static void uninit(sh_video_t *sh)
{
vd_xanim_ctx *priv = sh->context;
int i;
void (*close_func)();
for (i=0; i < XA_CLOSE_FUNCS; i++)
if (xa_close_func[i])
{
close_func = xa_close_func[i];
close_func();
}
dlclose(priv->file_handler);
if (priv->decinfo != NULL)
free(priv->decinfo);
free(priv);
}
// unsigned int (*dec_func)(unsigned char *image, unsigned char *delta,
// unsigned int dsize, XA_DEC_INFO *dec_info);
// decode a frame
static mp_image_t* decode(sh_video_t *sh, void *data, int len, int flags)
{
vd_xanim_ctx *priv = sh->context;
unsigned int ret;
if (len <= 0)
return NULL; // skipped frame
priv->decinfo->skip_flag = (flags&3)?1:0;
if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC){
// allocate static buffer for cvid-like codecs:
priv->mpi = mpcodecs_get_image(sh, MP_IMGTYPE_STATIC,
MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
(sh->disp_w+3)&(~3), (sh->disp_h+3)&(~3));
if (!priv->mpi) return NULL;
ret = priv->dec_func((uint8_t*)priv->mpi, data, len, priv->decinfo);
} else {
// left the buffer allocation to the codecs, pass sh_video && priv
priv->mpi=NULL;
ret = priv->dec_func((uint8_t*)sh, data, len, priv->decinfo);
}
if (ret == ACT_DLTA_NORM)
return priv->mpi;
if (ret & ACT_DLTA_MAPD)
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "mapd\n");
/*
if (!(ret & ACT_DLT_MAPD))
xacodec_driver->decinfo->map_flag = 0;
else
{
xacodec_driver->decinfo->map_flag = 1;
xacodec_driver->decinfo->map = ...
}
*/
if (ret & ACT_DLTA_XOR)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "xor\n");
return priv->mpi;
}
/* nothing changed */
if (ret & ACT_DLTA_NOP)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "nop\n");
return NULL;
}
/* frame dropped (also display latest frame) */
if (ret & ACT_DLTA_DROP)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "drop\n");
return NULL;
}
if (ret & ACT_DLTA_BAD)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "bad\n");
return NULL;
}
/* used for double buffer */
if (ret & ACT_DLTA_BODY)
{
mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "body\n");
return NULL;
}
return priv->mpi;
}
#endif
Reference in New Issue View Git Blame Copy Permalink