cleanup: remove NULL checks before free() all over the code
[mplayer/glamo.git] / libmpcodecs / vd_vfw.c
blob55cc1642f0671a4d2a86f5572f66d060fb9fdb64
1 /*
2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #include <stdio.h>
20 #include <stdlib.h>
22 #include "config.h"
23 #include "mp_msg.h"
25 #include "vd_internal.h"
26 #include "libmpdemux/aviprint.h"
27 #include "loader/wine/driver.h"
28 #include "loader/wine/vfw.h"
30 static const vd_info_t info = {
31 #ifdef BUILD_VFWEX
32 "Win32/VfWex video codecs",
33 "vfwex",
34 #else
35 "Win32/VfW video codecs",
36 "vfw",
37 #endif
38 "A'rpi & Alex",
39 "avifile.sf.net",
40 "win32 codecs"
43 #ifdef BUILD_VFWEX
44 LIBVD_EXTERN(vfwex)
45 #else
46 LIBVD_EXTERN(vfw)
47 #endif
49 typedef struct {
50 BITMAPINFOHEADER *o_bih;
51 HIC handle;
52 unsigned char *palette;
53 } vd_vfw_ctx;
55 static int vfw_set_postproc(sh_video_t* sh, int quality)
57 vd_vfw_ctx *priv = sh->context;
58 // Works only with opendivx/divx4 based DLL
59 return ICSendMessage(priv->handle, ICM_USER+80, (long)(&quality), 0);
62 static void set_csp(BITMAPINFOHEADER *o_bih,unsigned int outfmt){
63 int yuv = 0;
65 switch (outfmt)
67 /* planar format */
68 case IMGFMT_YV12:
69 case IMGFMT_I420:
70 case IMGFMT_IYUV:
71 o_bih->biBitCount=12;
72 yuv=1;
73 break;
74 case IMGFMT_YVU9:
75 case IMGFMT_IF09:
76 o_bih->biBitCount=9;
77 yuv=1;
78 break;
79 /* packed format */
80 case IMGFMT_YUY2:
81 case IMGFMT_UYVY:
82 case IMGFMT_YVYU:
83 o_bih->biBitCount=16;
84 yuv=1;
85 break;
86 /* rgb/bgr format */
87 case IMGFMT_RGB8:
88 case IMGFMT_BGR8:
89 o_bih->biBitCount=8;
90 break;
91 case IMGFMT_RGB15:
92 case IMGFMT_RGB16:
93 case IMGFMT_BGR15:
94 case IMGFMT_BGR16:
95 o_bih->biBitCount=16;
96 break;
97 case IMGFMT_RGB24:
98 case IMGFMT_BGR24:
99 o_bih->biBitCount=24;
100 break;
101 case IMGFMT_RGB32:
102 case IMGFMT_BGR32:
103 o_bih->biBitCount=32;
104 break;
105 default:
106 mp_msg(MSGT_WIN32,MSGL_ERR,"Unsupported image format: %s\n", vo_format_name(outfmt));
107 return;
110 o_bih->biSizeImage = abs(o_bih->biWidth * o_bih->biHeight * (o_bih->biBitCount/8));
112 // Note: we cannot rely on sh->outfmtidx here, it's undefined at this stage!!!
113 // if (yuv && !(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK))
114 if (yuv)
115 o_bih->biCompression = outfmt;
116 else
117 o_bih->biCompression = 0;
120 // to set/get/query special features/parameters
121 static int control(sh_video_t *sh,int cmd,void* arg,...){
122 vd_vfw_ctx *priv = sh->context;
123 switch(cmd){
124 case VDCTRL_QUERY_MAX_PP_LEVEL:
125 return 9;
126 case VDCTRL_SET_PP_LEVEL:
127 vfw_set_postproc(sh,10*(*((int*)arg)));
128 return CONTROL_OK;
129 // FIXME: make this optional...
130 case VDCTRL_QUERY_FORMAT:
132 HRESULT ret;
133 if(!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_QUERY))
134 return CONTROL_UNKNOWN; // do not query!
135 set_csp(priv->o_bih,*((int*)arg));
136 #ifdef BUILD_VFWEX
137 ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
138 #else
139 ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
140 #endif
141 if (ret)
143 mp_msg(MSGT_WIN32, MSGL_DBG2, "ICDecompressQuery failed:: Error %d\n", (int)ret);
144 return CONTROL_FALSE;
146 return CONTROL_TRUE;
149 return CONTROL_UNKNOWN;
152 // init driver
153 static int init(sh_video_t *sh){
154 HRESULT ret;
155 // unsigned int outfmt=sh->codec->outfmt[sh->outfmtidx];
156 int i, o_bih_len;
157 vd_vfw_ctx *priv;
159 /* Hack for VSSH codec: new dll can't decode old files
160 * In my samples old files have no extradata, so use that info
161 * to decide what dll should be used (here and in vd_dshow).
163 if (!strcmp(sh->codec->dll, "vssh264.dll") && (sh->bih->biSize > 40))
164 return 0;
166 priv = malloc(sizeof(vd_vfw_ctx));
167 if (!priv)
168 return 0;
169 memset(priv, 0, sizeof(vd_vfw_ctx));
170 sh->context = priv;
172 mp_msg(MSGT_WIN32,MSGL_V,"======= Win32 (VFW) VIDEO Codec init =======\n");
175 // win32_codec_name = sh->codec->dll;
176 // sh->hic = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_FASTDECOMPRESS);
177 // priv->handle = ICOpen( 0x63646976, sh->bih->biCompression, ICMODE_DECOMPRESS);
178 priv->handle = ICOpen( (long)(sh->codec->dll), sh->bih->biCompression, ICMODE_DECOMPRESS);
179 if(!priv->handle){
180 mp_msg(MSGT_WIN32,MSGL_ERR,"ICOpen failed! unknown codec / wrong parameters?\n");
181 return 0;
184 // sh->bih->biBitCount=32;
186 o_bih_len = ICDecompressGetFormatSize(priv->handle, sh->bih);
188 if(o_bih_len < sizeof(BITMAPINFOHEADER)){
189 mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormatSize returned a bogus value: %d\n", o_bih_len);
190 return 0;
193 priv->o_bih = malloc(o_bih_len);
194 memset(priv->o_bih, 0, o_bih_len);
196 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormatSize ret: %d\n", o_bih_len);
198 ret = ICDecompressGetFormat(priv->handle, sh->bih, priv->o_bih);
199 if(ret < 0){
200 mp_msg(MSGT_WIN32,MSGL_ERR,"ICDecompressGetFormat failed: Error %d\n", (int)ret);
201 for (i=0; i < o_bih_len; i++) mp_msg(MSGT_WIN32, MSGL_DBG2, "%02x ", priv->o_bih[i]);
202 return 0;
204 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetFormat OK\n");
206 #if 0
207 // workaround for pegasus MJPEG:
208 if(!sh_video->o_bih.biWidth) sh_video->o_bih.biWidth=sh_video->bih->biWidth;
209 if(!sh_video->o_bih.biHeight) sh_video->o_bih.biHeight=sh_video->bih->biHeight;
210 if(!sh_video->o_bih.biPlanes) sh_video->o_bih.biPlanes=sh_video->bih->biPlanes;
211 #endif
213 // ok let libvo and vd core to handshake and decide the optimal csp:
214 if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YUY2)) return 0;
216 if (!(sh->codec->outflags[sh->outfmtidx]&CODECS_FLAG_FLIP)) {
217 priv->o_bih->biHeight=-sh->bih->biHeight; // flip image!
220 // ok, let's set the choosen colorspace:
221 set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
223 // fake it to RGB for broken DLLs (divx3)
224 if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
225 priv->o_bih->biCompression = 0;
227 // sanity check:
228 #ifdef BUILD_VFWEX
229 ret = ICDecompressQueryEx(priv->handle, sh->bih, priv->o_bih);
230 #else
231 ret = ICDecompressQuery(priv->handle, sh->bih, priv->o_bih);
232 #endif
233 if (ret)
235 mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressQuery failed: Error %d\n", (int)ret);
236 // return 0;
237 } else
238 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressQuery OK\n");
240 #ifdef BUILD_VFWEX
241 ret = ICDecompressBeginEx(priv->handle, sh->bih, priv->o_bih);
242 #else
243 ret = ICDecompressBegin(priv->handle, sh->bih, priv->o_bih);
244 #endif
245 if (ret)
247 mp_msg(MSGT_WIN32,MSGL_WARN,"ICDecompressBegin failed: Error %d\n", (int)ret);
248 // return 0;
251 // for broken codecs set it again:
252 if(sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_YUVHACK)
253 set_csp(priv->o_bih,sh->codec->outfmt[sh->outfmtidx]);
255 mp_msg(MSGT_WIN32, MSGL_V, "Input format:\n");
256 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(sh->bih,MSGL_V);
257 mp_msg(MSGT_WIN32, MSGL_V, "Output format:\n");
258 if( mp_msg_test(MSGT_HEADER,MSGL_V) ) print_video_header(priv->o_bih,MSGL_V);
260 // set postprocessing level in xvid/divx4 .dll
261 ICSendMessage(priv->handle, ICM_USER+80, (long)(&divx_quality), 0);
263 // don't do this palette mess always, it makes div3 dll crashing...
264 if(sh->codec->outfmt[sh->outfmtidx]==IMGFMT_BGR8){
265 if(ICDecompressGetPalette(priv->handle, sh->bih, priv->o_bih)){
266 priv->palette = (unsigned char*)(priv->o_bih+1);
267 mp_msg(MSGT_WIN32,MSGL_V,"ICDecompressGetPalette OK\n");
268 } else {
269 if(sh->bih->biSize>=40+4*4)
270 priv->palette = (unsigned char*)(sh->bih+1);
274 mp_msg(MSGT_DECVIDEO,MSGL_V,"INFO: Win32 video codec init OK!\n");
275 return 1;
278 // uninit driver
279 static void uninit(sh_video_t *sh){
280 HRESULT ret;
281 vd_vfw_ctx *priv = sh->context;
283 #ifdef BUILD_VFWEX
284 ret = ICDecompressEndEx(priv->handle);
285 #else
286 ret = ICDecompressEnd(priv->handle);
287 #endif
288 if (ret)
290 mp_msg(MSGT_WIN32, MSGL_WARN, "ICDecompressEnd failed: %ld\n", ret);
291 return;
294 ret = ICClose(priv->handle);
295 if (ret)
297 mp_msg(MSGT_WIN32, MSGL_WARN, "ICClose failed: %ld\n", ret);
298 return;
301 free(priv->o_bih);
302 free(priv);
305 // decode a frame
306 static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
307 vd_vfw_ctx *priv = sh->context;
308 mp_image_t* mpi;
309 HRESULT ret;
311 if(len<=0) return NULL; // skipped frame
313 mpi=mpcodecs_get_image(sh,
314 (sh->codec->outflags[sh->outfmtidx] & CODECS_FLAG_STATIC) ?
315 MP_IMGTYPE_STATIC : MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_WIDTH,
316 sh->disp_w, sh->disp_h);
317 if(!mpi){ // temporary!
318 mp_tmsg(MSGT_DECVIDEO,MSGL_WARN,"[VD_DMO] Couldn't allocate image for cinepak codec.\n");
319 return NULL;
322 // set stride: (trick discovered by Andreas Ackermann - thanx!)
323 sh->bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
324 priv->o_bih->biWidth=mpi->width; //mpi->stride[0]/(mpi->bpp/8);
326 sh->bih->biSizeImage = len;
328 #ifdef BUILD_VFWEX
329 ret = ICDecompressEx(priv->handle,
330 #else
331 ret = ICDecompress(priv->handle,
332 #endif
333 ( (sh->ds->flags&1) ? 0 : ICDECOMPRESS_NOTKEYFRAME ) |
334 ( ((flags&3)==2 && !(sh->ds->flags&1))?(ICDECOMPRESS_HURRYUP|ICDECOMPRESS_PREROL):0 ),
335 sh->bih, data, priv->o_bih, (flags&3) ? 0 : mpi->planes[0]);
337 if ((int)ret){
338 mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Error decompressing frame, err=%ld\n",ret);
339 return NULL;
342 // export palette:
343 if(mpi->imgfmt==IMGFMT_RGB8 || mpi->imgfmt==IMGFMT_BGR8){
344 if (priv->palette)
346 mpi->planes[1] = priv->palette;
347 mp_dbg(MSGT_DECVIDEO, MSGL_DBG2, "Found and copied palette\n");
349 else
350 mpi->planes[1]=NULL;
353 return mpi;