summaryrefslogtreecommitdiffstats
path: root/dll_init.c
blob: 7a5aace4eea96f8b41f84d5d25068ee1c3c4e2c4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300

#include <stdio.h>
#include <stdlib.h>

#include "config.h"

extern int verbose; // defined in mplayer.c

#include "stream.h"
#include "demuxer.h"

#include "loader.h"
//#include "wine/mmreg.h"
#include "wine/vfw.h"
#include "wine/avifmt.h"

#include "codec-cfg.h"
#include "stheader.h"

#include "libvo/img_format.h"
#include "linux/shmem.h"

extern char* win32_codec_name;  // must be set before calling DrvOpen() !!!

// ACM audio and VfW video codecs initialization
// based on the avifile library [http://divx.euro.ru]

int init_acm_audio_codec(sh_audio_t *sh_audio){
    HRESULT ret;
    WAVEFORMATEX *in_fmt=sh_audio->wf;
    unsigned long srcsize=0;

  if(verbose) printf("======= Win32 (ACM) AUDIO Codec init =======\n");

    sh_audio->srcstream=NULL;

//    if(in_fmt->nSamplesPerSec==0){  printf("Bad WAVE header!\n");exit(1);  }
//    MSACM_RegisterAllDrivers();

    sh_audio->o_wf.nChannels=in_fmt->nChannels;
    sh_audio->o_wf.nSamplesPerSec=in_fmt->nSamplesPerSec;
    sh_audio->o_wf.nAvgBytesPerSec=2*sh_audio->o_wf.nSamplesPerSec*sh_audio->o_wf.nChannels;
    sh_audio->o_wf.wFormatTag=WAVE_FORMAT_PCM;
    sh_audio->o_wf.nBlockAlign=2*in_fmt->nChannels;
    sh_audio->o_wf.wBitsPerSample=16;
    sh_audio->o_wf.cbSize=0;

    win32_codec_name = sh_audio->codec->dll;
    ret=acmStreamOpen(&sh_audio->srcstream,(HACMDRIVER)NULL,
                    in_fmt,&sh_audio->o_wf,
		    NULL,0,0,0);
    if(ret){
        if(ret==ACMERR_NOTPOSSIBLE)
            printf("ACM_Decoder: Unappropriate audio format\n");
        else
            printf("ACM_Decoder: acmStreamOpen error %d", (int)ret);
        sh_audio->srcstream=NULL;
        return 0;
    }
    if(verbose) printf("Audio codec opened OK! ;-)\n");

    acmStreamSize(sh_audio->srcstream, in_fmt->nBlockAlign, &srcsize, ACM_STREAMSIZEF_SOURCE);
    //if(verbose) printf("Audio ACM output buffer min. size: %ld (reported by codec)\n",srcsize);
    srcsize*=2;
    //if(srcsize<MAX_OUTBURST) srcsize=MAX_OUTBURST;
    if(!srcsize){
        printf("Warning! ACM codec reports srcsize=0\n");
        srcsize=16384;
    }
    // limit srcsize to 4-16kb
    //while(srcsize && srcsize<4096) srcsize*=2;
    //while(srcsize>16384) srcsize/=2;
    sh_audio->audio_out_minsize=srcsize; // audio output min. size
    if(verbose) printf("Audio ACM output buffer min. size: %ld\n",srcsize);

    acmStreamSize(sh_audio->srcstream, srcsize, &srcsize, ACM_STREAMSIZEF_DESTINATION);
    sh_audio->audio_in_minsize=srcsize; // audio input min. size
    if(verbose) printf("Audio ACM input buffer min. size: %ld\n",srcsize);
    
    if(srcsize<in_fmt->nBlockAlign) srcsize=in_fmt->nBlockAlign;

    sh_audio->a_in_buffer_size=2*sh_audio->audio_in_minsize;
    sh_audio->a_in_buffer=malloc(sh_audio->a_in_buffer_size);
    sh_audio->a_in_buffer_len=0;

    return 1;
}

int acm_decode_audio(sh_audio_t *sh_audio, void* a_buffer,int minlen,int maxlen){
        ACMSTREAMHEADER ash;
        HRESULT hr;
        DWORD srcsize=0;
        DWORD len=minlen;
        acmStreamSize(sh_audio->srcstream,len , &srcsize, ACM_STREAMSIZEF_DESTINATION);
        if(verbose>=3)printf("acm says: srcsize=%ld  (buffsize=%d)  out_size=%d\n",srcsize,sh_audio->a_in_buffer_size,len);

        if(srcsize<sh_audio->wf->nBlockAlign){
           srcsize=sh_audio->wf->nBlockAlign;
           acmStreamSize(sh_audio->srcstream, srcsize, &len, ACM_STREAMSIZEF_SOURCE);
           if(len>maxlen) len=maxlen;
        }

//        if(srcsize==0) srcsize=((WAVEFORMATEX *)&sh_audio->o_wf_ext)->nBlockAlign;
        if(srcsize>sh_audio->a_in_buffer_size) srcsize=sh_audio->a_in_buffer_size; // !!!!!!
        if(sh_audio->a_in_buffer_len<srcsize){
          sh_audio->a_in_buffer_len+=
            demux_read_data(sh_audio->ds,&sh_audio->a_in_buffer[sh_audio->a_in_buffer_len],
            srcsize-sh_audio->a_in_buffer_len);
        }
        if(verbose>=3)printf("acm convert %d -> %d bytes\n",sh_audio->a_in_buffer_len,len);
        memset(&ash, 0, sizeof(ash));
        ash.cbStruct=sizeof(ash);
        ash.fdwStatus=0;
        ash.dwUser=0; 
        ash.pbSrc=sh_audio->a_in_buffer;
        ash.cbSrcLength=sh_audio->a_in_buffer_len;
        ash.pbDst=a_buffer;
        ash.cbDstLength=len;
        hr=acmStreamPrepareHeader(sh_audio->srcstream,&ash,0);
        if(hr){
          printf("ACM_Decoder: acmStreamPrepareHeader error %d\n",(int)hr);
					return -1;
        }
        hr=acmStreamConvert(sh_audio->srcstream,&ash,0);
        if(hr){
          if(verbose>=2) printf("ACM_Decoder: acmStreamConvert error %d\n",(int)hr);
          
//					return -1;
        }
        if(verbose)
          printf("acm converted %d -> %d\n",ash.cbSrcLengthUsed,ash.cbDstLengthUsed);
        if(ash.cbSrcLengthUsed>=sh_audio->a_in_buffer_len){
          sh_audio->a_in_buffer_len=0;
        } else {
          sh_audio->a_in_buffer_len-=ash.cbSrcLengthUsed;
          memcpy(sh_audio->a_in_buffer,&sh_audio->a_in_buffer[ash.cbSrcLengthUsed],sh_audio->a_in_buffer_len);
        }
        len=ash.cbDstLengthUsed;
        hr=acmStreamUnprepareHeader(sh_audio->srcstream,&ash,0);
        if(hr){
          printf("ACM_Decoder: acmStreamUnprepareHeader error %d\n",(int)hr);
        }
        return len;
}



int init_video_codec(sh_video_t *sh_video,int ex){
  HRESULT ret;
  int yuv=0;
  unsigned int outfmt=sh_video->codec->outfmt[sh_video->outfmtidx];

  if(verbose) printf("======= Win32 (VFW) VIDEO Codec init =======\n");

  memset(&sh_video->o_bih, 0, sizeof(BITMAPINFOHEADER));
  sh_video->o_bih.biSize = sizeof(BITMAPINFOHEADER);

  win32_codec_name = sh_video->codec->dll;
//  sh_video->hic = ICOpen( 0x63646976, sh_video->bih->biCompression, ICMODE_FASTDECOMPRESS);
  sh_video->hic = ICOpen( 0x63646976, sh_video->bih->biCompression, ICMODE_DECOMPRESS);
  if(!sh_video->hic){
    printf("ICOpen failed! unknown codec / wrong parameters?\n");
    return 0;
  }

//  sh_video->bih.biBitCount=32;

  ret = ICDecompressGetFormat(sh_video->hic, sh_video->bih, &sh_video->o_bih);
  if(ret){
    printf("ICDecompressGetFormat failed: Error %d\n", (int)ret);
    return 0;
  }
  if(verbose) printf("ICDecompressGetFormat OK\n");
  
//  printf("ICM_DECOMPRESS_QUERY=0x%X",ICM_DECOMPRESS_QUERY);

//  sh_video->o_bih.biWidth=sh_video->bih.biWidth;
//  sh_video->o_bih.biCompression = 0x32315659; //  mmioFOURCC('U','Y','V','Y');
//  ret=ICDecompressGetFormatSize(sh_video->hic,&sh_video->o_bih);
//  sh_video->o_bih.biCompression = 3; //0x32315659;
//  sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
//  sh_video->o_bih.biCompression = mmioFOURCC('U','Y','V','Y');
//  sh_video->o_bih.biCompression = mmioFOURCC('Y','U','Y','2');
//  sh_video->o_bih.biPlanes=3;
//  sh_video->o_bih.biBitCount=16;

#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

  switch (outfmt) {

/* planar format */
  case IMGFMT_YV12:
  case IMGFMT_I420:
  case IMGFMT_IYUV:
      sh_video->o_bih.biBitCount=12;
      yuv=1;
      break;

/* packed format */
  case IMGFMT_YUY2:
  case IMGFMT_UYVY:
  case IMGFMT_YVYU:
      sh_video->o_bih.biBitCount=16;
      yuv=1;
      break;

/* rgb/bgr format */
  case IMGFMT_RGB8:
  case IMGFMT_BGR8:
      sh_video->o_bih.biBitCount=8;
      break;

  case IMGFMT_RGB15:
  case IMGFMT_RGB16:
  case IMGFMT_BGR15:
  case IMGFMT_BGR16:
      sh_video->o_bih.biBitCount=16;
      break;

  case IMGFMT_RGB24:
  case IMGFMT_BGR24:
      sh_video->o_bih.biBitCount=24;
      break;

  case IMGFMT_RGB32:
  case IMGFMT_BGR32:
      sh_video->o_bih.biBitCount=32;
      break;

  default:
      printf("unsupported image format: 0x%x\n", outfmt);
      return 0;
  }

  sh_video->o_bih.biSizeImage = sh_video->o_bih.biWidth * sh_video->o_bih.biHeight * (sh_video->o_bih.biBitCount/8);
  
  if(!(sh_video->codec->outflags[sh_video->outfmtidx]&CODECS_FLAG_FLIP)) {
      sh_video->o_bih.biHeight=-sh_video->bih->biHeight; // flip image!
  }

  if(yuv && !(sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK))
	 sh_video->o_bih.biCompression = outfmt;
  else
         sh_video->o_bih.biCompression = 0;

  if(verbose) {
    printf("Starting decompression, format:\n");
	printf("  biSize %ld\n", sh_video->bih->biSize);
	printf("  biWidth %ld\n", sh_video->bih->biWidth);
	printf("  biHeight %ld\n", sh_video->bih->biHeight);
	printf("  biPlanes %d\n", sh_video->bih->biPlanes);
	printf("  biBitCount %d\n", sh_video->bih->biBitCount);
	printf("  biCompression 0x%lx ('%.4s')\n", sh_video->bih->biCompression, (char *)&sh_video->bih->biCompression);
	printf("  biSizeImage %ld\n", sh_video->bih->biSizeImage);
    printf("Dest fmt:\n");
	printf("  biSize %ld\n", sh_video->o_bih.biSize);
	printf("  biWidth %ld\n", sh_video->o_bih.biWidth);
	printf("  biHeight %ld\n", sh_video->o_bih.biHeight);
	printf("  biPlanes %d\n", sh_video->o_bih.biPlanes);
	printf("  biBitCount %d\n", sh_video->o_bih.biBitCount);
	printf("  biCompression 0x%lx ('%.4s')\n", sh_video->o_bih.biCompression, (char *)&sh_video->o_bih.biCompression);
	printf("  biSizeImage %ld\n", sh_video->o_bih.biSizeImage);
  }

  ret = ex ?
      ICDecompressQueryEx(sh_video->hic, sh_video->bih, &sh_video->o_bih) :
      ICDecompressQuery(sh_video->hic, sh_video->bih, &sh_video->o_bih);
  if(ret){
    printf("ICDecompressQuery failed: Error %d\n", (int)ret);
    return 0;
  }
  if(verbose) printf("ICDecompressQuery OK\n");

  ret = ex ?
      ICDecompressBeginEx(sh_video->hic, sh_video->bih, &sh_video->o_bih) :
      ICDecompressBegin(sh_video->hic, sh_video->bih, &sh_video->o_bih);
  if(ret){
    printf("ICDecompressBegin failed: Error %d\n", (int)ret);
    return 0;
  }

  sh_video->our_out_buffer = shmem_alloc(sh_video->o_bih.biSizeImage);
  if(!sh_video->our_out_buffer){
    printf("not enough memory for decoded picture buffer (%ld bytes)\n", sh_video->o_bih.biSizeImage);
    return 0;
  }

  if(yuv && sh_video->codec->outflags[sh_video->outfmtidx] & CODECS_FLAG_YUVHACK)
    sh_video->o_bih.biCompression = outfmt;

//  avi_header.our_in_buffer=malloc(avi_header.video.dwSuggestedBufferSize); // FIXME!!!!
  
  if(verbose) printf("VIDEO CODEC Init OK!!! ;-)\n");
  return 1;
}