Fix r28222, including alloca.h directly might break compilation.
[mplayer/glamo.git] / libmpcodecs / vd_vfw.c
blobde11b49f4044522b109cb049301351c8a16a4f94
1 #include <stdio.h>
2 #include <stdlib.h>
4 #include "config.h"
5 #include "mp_msg.h"
6 #include "help_mp.h"
8 #include "vd_internal.h"
10 #include "loader/wine/driver.h"
11 #include "loader/wine/vfw.h"
13 static vd_info_t info = {
14 #ifdef BUILD_VFWEX
15 "Win32/VfWex video codecs",
16 "vfwex",
17 #else
18 "Win32/VfW video codecs",
19 "vfw",
20 #endif
21 "A'rpi & Alex",
22 "avifile.sf.net",
23 "win32 codecs"
26 #ifdef BUILD_VFWEX
27 LIBVD_EXTERN(vfwex)
28 #else
29 LIBVD_EXTERN(vfw)
30 #endif
32 typedef struct {
33 BITMAPINFOHEADER *o_bih;
34 HIC handle;
35 unsigned char *palette;
36 } vd_vfw_ctx;
38 static int vfw_set_postproc(sh_video_t* sh, int quality)
40 vd_vfw_ctx *priv = sh->context;
41 // Works only with opendivx/divx4 based DLL
42 return ICSendMessage(priv->handle, ICM_USER+80, (long)(&quality), 0);
45 static void set_csp(BITMAPINFOHEADER *o_bih,unsigned int outfmt){
46 int yuv = 0;
48 switch (outfmt)
50 /* planar format */
51 case IMGFMT_YV12:
52 case IMGFMT_I420:
53 case IMGFMT_IYUV:
54 o_bih->biBitCount=12;
55 yuv=1;
56 break;
57 case IMGFMT_YVU9:
58 case IMGFMT_IF09:
59 o_bih->biBitCount=9;
60 yuv=1;
61 break;
62 /* packed format */
63 case IMGFMT_YUY2:
64 case IMGFMT_UYVY:
65 case IMGFMT_YVYU:
66 o_bih->biBitCount=16;
67 yuv=1;
68 break;
69 /* rgb/bgr format */
70 case IMGFMT_RGB8:
71 case IMGFMT_BGR8:
72 o_bih->biBitCount=8;
73 break;
74 case IMGFMT_RGB15:
75 case IMGFMT_RGB16:
76 case IMGFMT_BGR15:
77 case IMGFMT_BGR16:
78 o_bih->biBitCount=16;
79 break;
80 case IMGFMT_RGB24:
81 case IMGFMT_BGR24:
82 o_bih->biBitCount=24;
83 break;
84 case IMGFMT_RGB32:
85 case IMGFMT_BGR32:
86 o_bih->biBitCount=32;
87 break;
88 default:
89 mp_msg(MSGT_WIN32,MSGL_ERR,"Unsupported image format: %s\n", vo_format_name(outfmt));
90 return;
93 o_bih->biSizeImage = abs(o_bih->biWidth * o_bih->biHeight * (o_bih->biBitCount/8));
95 // Note: we cannot rely on sh->outfmtidx here, it's undefined at this stage!!!
96 // if (yuv && !(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK))
97 if (yuv)
98 o_bih->biCompression = outfmt;
99 else
100 o_bih->biCompression = 0;
103 // to set/get/query special features/parameters
104 static int control(sh_video_t *sh,int cmd,void* arg,...){
105 vd_vfw_ctx *priv = sh->context;
106 switch(cmd){
107 case VDCTRL_QUERY_MAX_PP_LEVEL:
108 return 9;
109 case VDCTRL_SET_PP_LEVEL:
110 vfw_set_postproc(sh,10*(*((int*)arg)));
111 return CONTROL_OK;
112 #if 1
113 // FIXME: make this optional...
114 case VDCTRL_QUERY_FORMAT:
116 HRESULT ret;
117 if(!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_QUERY))
118 return CONTROL_UNKNOWN; // do not query!
119 set_csp(priv->o_bih,*((int*)arg));
120 #ifdef BUILD_VFWEX
121 ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
122 #else
123 ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
124 #endif
125 if (ret)
127 mp_msg(MSGT_WIN32, MSGL_DBG2, "ICDecompressQuery failed:: Error %d\n", (int)ret);
128 return CONTROL_FALSE;
130 return CONTROL_TRUE;
132 #endif
134 return CONTROL_UNKNOWN;
137 void print_video_header(BITMAPINFOHEADER *h, int verbose_level);
139 // init driver
140 static int init(sh_video_t *sh){
141 HRESULT ret;
142 // unsigned int outfmt=sh->codec->outfmt[sh->outfmtidx];
143 int i, o_bih_len;
144 vd_vfw_ctx *priv;
146 /* Hack for VSSH codec: new dll can't decode old files
147 * In my samples old files have no extradata, so use that info
148 * to decide what dll should be used (here and in vd_dshow).
150 if (!strcmp(sh->codec->dll, "vssh264.dll") && (sh->bih->biSize > 40))
151 return 0;
153 priv = malloc(sizeof(vd_vfw_ctx));
154 if (!priv)
155 return 0;
156 memset(priv, 0, sizeof(vd_vfw_ctx));
157 sh->context = priv;
159 mp_msg(MSGT_WIN32,MSGL_V,"======= Win32 (VFW) VIDEO Codec init =======\n");
162 // win32_codec_name = sh->codec->dll;
163 // sh->hic = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_FASTDECOMPRESS);
164 // priv->handle = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_DECOMPRESS);
165 priv->handle = ICOpen( (long)(sh->codec->dll), sh->bih->biCompression, ICMODE_DECOMPRESS);
166 if(!priv->handle){
167 mp_msg(MSGT_WIN32,MSGL_ERR,"ICOpen failed! unknown codec / wrong parameters?\n");
168 return 0;
171 // sh->bih->biBitCount=32;
173 o_bih_len = ICDecompressGetFormatSize(priv->handle, sh->bih);
175 if(o_bih_len < sizeof(BITMAPINFOHEADER)){
176 mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormatSize returned a bogus value: %d\n", o_bih_len);
177 return 0;
180 priv->o_bih = malloc(o_bih_len);
181 memset(priv->o_bih, 0, o_bih_len);
183 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormatSize ret: %d\n", o_bih_len);
185 ret = ICDecompressGetFormat(priv->handle, sh->bih, priv->o_bih);
186 if(ret < 0){
187 mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormat failed: Error %d\n", (int)ret);
188 for (i=0; i < o_bih_len; i++) mp_msg(MSGT_WIN32, MSGL_DBG2, "%02x ", priv->o_bih[i]);
189 return 0;
191 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormat OK\n");
193 #if 0
194 // workaround for pegasus MJPEG:
195 if(!sh_video->o_bih.biWidth) sh_video->o_bih.biWidth=sh_video->bih->biWidth;
196 if(!sh_video->o_bih.biHeight) sh_video->o_bih.biHeight=sh_video->bih->biHeight;
197 if(!sh_video->o_bih.biPlanes) sh_video->o_bih.biPlanes=sh_video->bih->biPlanes;
198 #endif
200 // ok let libvo and vd core to handshake and decide the optimal csp:
201 if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0;
203 if (!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_FLIP)) {
204 priv->o_bih->biHeight=-sh->bih->biHeight; // flip image!
207 // ok, let's set the choosen colorspace:
208 set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
210 // fake it to RGB for broken DLLs (divx3)
211 if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
212 priv->o_bih->biCompression = 0;
214 // sanity check:
215 #if 1
216 #ifdef BUILD_VFWEX
217 ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
218 #else
219 ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
220 #endif
221 if (ret)
223 mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressQuery failed: Error %d\n", (int)ret);
224 // return 0;
225 } else
226 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressQuery OK\n");
227 #endif
229 #ifdef BUILD_VFWEX
230 ret = ICDecompressBeginEx(priv->handle, sh->bih, priv->o_bih);
231 #else
232 ret = ICDecompressBegin(priv->handle, sh->bih, priv->o_bih);
233 #endif
234 if (ret)
236 mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressBegin failed: Error %d\n", (int)ret);
237 // return 0;
240 // for broken codecs set it again:
241 if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
242 set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
244 mp_msg(MSGT_WIN32, MSGL_V, "Input format:\n");
245 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh->bih,MSGL_V);
246 mp_msg(MSGT_WIN32, MSGL_V, "Output format:\n");
247 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(priv->o_bih,MSGL_V);
249 // set postprocessing level in xvid/divx4 .dll
250 ICSendMessage(priv->handle, ICM_USER+80, (long)(&divx_quality), 0);
252 // don't do this palette mess always, it makes div3 dll crashing...
253 if(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_BGR8){
254 if(ICDecompressGetPalette(priv->handle, sh->bih, priv->o_bih)){
255 priv->palette = (unsigned char*)(priv->o_bih+1);
256 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetPalette OK\n");
257 } else {
258 if(sh->bih->biSize>=40+4*4)
259 priv->palette = (unsigned char*)(sh->bih+1);
263 mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n");
264 return 1;
267 // uninit driver
268 static void uninit(sh_video_t *sh){
269 HRESULT ret;
270 vd_vfw_ctx *priv = sh->context;
272 #ifdef BUILD_VFWEX
273 ret = ICDecompressEndEx(priv->handle);
274 #else
275 ret = ICDecompressEnd(priv->handle);
276 #endif
277 if (ret)
279 mp_msg(MSGT_WIN32, MSGL_WARN, "ICDecompressEnd failed: %ld\n", ret);
280 return;
283 ret = ICClose(priv->handle);
284 if (ret)
286 mp_msg(MSGT_WIN32, MSGL_WARN, "ICClose failed: %ld\n", ret);
287 return;
290 free(priv->o_bih);
291 free(priv);
294 // decode a frame
295 static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
296 vd_vfw_ctx *priv = sh->context;
297 mp_image_t* mpi;
298 HRESULT ret;
300 if(len<=0) return NULL; // skipped frame
302 mpi=mpcodecs_get_image(sh,
303 (sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC) ?
304 MP_IMGTYPE_STATIC : MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_WIDTH,
305 sh->disp_w, sh->disp_h);
306 if(!mpi){ // temporary!
307 mp_msg(MSGT_DECVIDEO,MSGL_WARN,MSGTR_MPCODECS_CouldntAllocateImageForCinepakCodec);
308 return NULL;
311 // set stride: (trick discovered by Andreas Ackermann - thanx!)
312 sh->bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
313 priv->o_bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
315 sh->bih->biSizeImage = len;
317 #ifdef BUILD_VFWEX
318 ret = ICDecompressEx(priv->handle,
319 #else
320 ret = ICDecompress(priv->handle,
321 #endif
322 ( (sh->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
323 ( ((flags&3)==2 && !(sh->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ),
324 sh->bih, data, priv->o_bih, (flags&3) ? 0 : mpi->planes[0]);
326 if ((int)ret){
327 mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error decompressing frame, err=%ld\n",ret);
328 return NULL;
331 // export palette:
332 if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
333 if (priv->palette)
335 mpi->planes[1] = priv->palette;
336 mpi->flags |= MP_IMGFLAG_RGB_PALETTE;
337 mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "Found and copied palette\n");
339 else
340 mpi->planes[1]=NULL;
343 return mpi;