mpv/libmpcodecs/vd_vfw.c

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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "help_mp.h"
#ifdef USE_WIN32DLL
#include "vd_internal.h"
#include "wine/driver.h"
#include "wine/vfw.h"
static vd_info_t info = {
#ifdef BUILD_VFWEX
"Win32/VfWex video codecs",
"vfwex",
#else
"Win32/VfW video codecs",
"vfw",
#endif
"A'rpi & Alex",
"avifile.sf.net",
"win32 codecs"
};
#ifdef BUILD_VFWEX
LIBVD_EXTERN(vfwex)
#else
LIBVD_EXTERN(vfw)
#endif
typedef struct {
BITMAPINFOHEADER *o_bih;
HIC handle;
unsigned char *palette;
} vd_vfw_ctx;
extern int divx_quality;
static int vfw_set_postproc(sh_video_t* sh, int quality)
{
vd_vfw_ctx *priv = sh->context;
// Works only with opendivx/divx4 based DLL
return ICSendMessage(priv->handle, ICM_USER+80, (long)(&quality), 0);
}
static void set_csp(BITMAPINFOHEADER *o_bih,unsigned int outfmt){
int yuv = 0;
switch (outfmt)
{
/* planar format */
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
o_bih->biBitCount=12;
yuv=1;
break;
case IMGFMT_YVU9:
case IMGFMT_IF09:
o_bih->biBitCount=9;
yuv=1;
break;
/* packed format */
case IMGFMT_YUY2:
case IMGFMT_UYVY:
case IMGFMT_YVYU:
o_bih->biBitCount=16;
yuv=1;
break;
/* rgb/bgr format */
case IMGFMT_RGB8:
case IMGFMT_BGR8:
o_bih->biBitCount=8;
break;
case IMGFMT_RGB15:
case IMGFMT_RGB16:
case IMGFMT_BGR15:
case IMGFMT_BGR16:
o_bih->biBitCount=16;
break;
case IMGFMT_RGB24:
case IMGFMT_BGR24:
o_bih->biBitCount=24;
break;
case IMGFMT_RGB32:
case IMGFMT_BGR32:
o_bih->biBitCount=32;
break;
default:
mp_msg(MSGT_WIN32,MSGL_ERR,"Unsupported image format: %s\n", vo_format_name(outfmt));
return;
}
o_bih->biSizeImage = abs(o_bih->biWidth * o_bih->biHeight * (o_bih->biBitCount/8));
// Note: we cannot rely on sh->outfmtidx here, it's undefined at this stage!!!
// if (yuv && !(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK))
if (yuv)
o_bih->biCompression = outfmt;
else
o_bih->biCompression = 0;
}
// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
vd_vfw_ctx *priv = sh->context;
switch(cmd){
case VDCTRL_QUERY_MAX_PP_LEVEL:
return 9;
case VDCTRL_SET_PP_LEVEL:
vfw_set_postproc(sh,10*(*((int*)arg)));
return CONTROL_OK;
#if 1
// FIXME: make this optional...
case VDCTRL_QUERY_FORMAT:
{
HRESULT ret;
if(!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_QUERY))
return CONTROL_UNKNOWN; // do not query!
set_csp(priv->o_bih,*((int*)arg));
#ifdef BUILD_VFWEX
ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
#else
ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
#endif
if (ret)
{
mp_msg(MSGT_WIN32, MSGL_DBG2, "ICDecompressQuery failed:: Error %d\n", (int)ret);
return CONTROL_FALSE;
}
return CONTROL_TRUE;
}
#endif
}
return CONTROL_UNKNOWN;
}
// init driver
static int init(sh_video_t *sh){
HRESULT ret;
// unsigned int outfmt=sh->codec->outfmt[sh->outfmtidx];
int i, o_bih_len;
vd_vfw_ctx *priv;
priv = malloc(sizeof(vd_vfw_ctx));
if (!priv)
return 0;
memset(priv, 0, sizeof(vd_vfw_ctx));
sh->context = priv;
mp_msg(MSGT_WIN32,MSGL_V,"======= Win32 (VFW) VIDEO Codec init =======\n");
// win32_codec_name = sh->codec->dll;
// sh->hic = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_FASTDECOMPRESS);
// priv->handle = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_DECOMPRESS);
priv->handle = ICOpen( (long)(sh->codec->dll), sh->bih->biCompression, ICMODE_DECOMPRESS);
if(!priv->handle){
mp_msg(MSGT_WIN32,MSGL_ERR,"ICOpen failed! unknown codec / wrong parameters?\n");
return 0;
}
// sh->bih->biBitCount=32;
o_bih_len = ICDecompressGetFormatSize(priv->handle, sh->bih);
priv->o_bih = malloc(o_bih_len);
memset(priv->o_bih, 0, o_bih_len);
mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormatSize ret: %d\n", o_bih_len);
ret = ICDecompressGetFormat(priv->handle, sh->bih, priv->o_bih);
if(ret < 0){
mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormat failed: Error %d\n", (int)ret);
for (i=0; i < o_bih_len; i++) mp_msg(MSGT_WIN32, MSGL_DBG2, "%02x ", priv->o_bih[i]);
return 0;
}
mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormat OK\n");
#if 0
// workaround for pegasus MJPEG:
if(!sh_video->o_bih.biWidth) sh_video->o_bih.biWidth=sh_video->bih->biWidth;
if(!sh_video->o_bih.biHeight) sh_video->o_bih.biHeight=sh_video->bih->biHeight;
if(!sh_video->o_bih.biPlanes) sh_video->o_bih.biPlanes=sh_video->bih->biPlanes;
#endif
// ok let libvo and vd core to handshake and decide the optimal csp:
if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0;
if (!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_FLIP)) {
priv->o_bih->biHeight=-sh->bih->biHeight; // flip image!
}
// ok, let's set the choosen colorspace:
set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
// fake it to RGB for broken DLLs (divx3)
if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
priv->o_bih->biCompression = 0;
// sanity check:
#if 1
#ifdef BUILD_VFWEX
ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
#else
ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
#endif
if (ret)
{
mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressQuery failed: Error %d\n", (int)ret);
// return 0;
} else
mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressQuery OK\n");
#endif
#ifdef BUILD_VFWEX
ret = ICDecompressBeginEx(priv->handle, sh->bih, priv->o_bih);
#else
ret = ICDecompressBegin(priv->handle, sh->bih, priv->o_bih);
#endif
if (ret)
{
mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressBegin failed: Error %d\n", (int)ret);
// return 0;
}
// for broken codecs set it again:
if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
mp_msg(MSGT_WIN32, MSGL_V, "Input format:\n");
if(verbose) print_video_header(sh->bih);
mp_msg(MSGT_WIN32, MSGL_V, "Output format:\n");
if(verbose) print_video_header(priv->o_bih);
// set postprocessing level in xvid/divx4 .dll
ICSendMessage(priv->handle, ICM_USER+80, (long)(&divx_quality), 0);
// don't do this palette mess always, it makes div3 dll crashing...
if(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_BGR8){
if(ICDecompressGetPalette(priv->handle, sh->bih, priv->o_bih)){
priv->palette = (unsigned char*)(priv->o_bih+1);
mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetPalette OK\n");
} else {
if(sh->bih->biSize>=40+4*4)
priv->palette = (unsigned char*)(sh->bih+1);
}
}
mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n");
return 1;
}
// uninit driver
static void uninit(sh_video_t *sh){
HRESULT ret;
vd_vfw_ctx *priv = sh->context;
#ifdef BUILD_VFWEX
ret = ICDecompressEndEx(priv->handle);
#else
ret = ICDecompressEnd(priv->handle);
#endif
if (ret)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "ICDecompressEnd failed: %d\n", ret);
return;
}
ret = ICClose(priv->handle);
if (ret)
{
mp_msg(MSGT_WIN32, MSGL_WARN, "ICClose failed: %d\n", ret);
return;
}
free(priv->o_bih);
free(priv);
}
// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
vd_vfw_ctx *priv = sh->context;
mp_image_t* mpi;
HRESULT ret;
if(len<=0) return NULL; // skipped frame
mpi=mpcodecs_get_image(sh,
(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC) ?
MP_IMGTYPE_STATIC : MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_WIDTH,
sh->disp_w, sh->disp_h);
if(!mpi){ // temporary!
printf("couldn't allocate image for cinepak codec\n");
return NULL;
}
// set stride: (trick discovered by Andreas Ackermann - thanx!)
sh->bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
priv->o_bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
sh->bih->biSizeImage = len;
#ifdef BUILD_VFWEX
ret = ICDecompressEx(priv->handle,
#else
ret = ICDecompress(priv->handle,
#endif
( (sh->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
( ((flags&3)==2 && !(sh->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ),
sh->bih, data, priv->o_bih, (flags&3) ? 0 : mpi->planes[0]);
if ((int)ret){
mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error decompressing frame, err=%d\n",ret);
return NULL;
}
// export palette:
if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
if (priv->palette)
{
mpi->planes[1] = priv->palette;
mpi->flags |= MP_IMGFLAG_RGB_PALETTE;
mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "Found and copied palette\n");
}
else
mpi->planes[1]=NULL;
}
return mpi;
}
#endif