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