aboutsummaryrefslogtreecommitdiffhomepage
path: root/libmpcodecs/vd_xvid.c
blob: 13128aabe798d61fb0e51285b5c978323af089fb (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
#include <stdio.h>
#include <stdlib.h>

#include "config.h"
#include "mp_msg.h"

#ifdef HAVE_XVID

#include "vd_internal.h"
#include "cfgparser.h"

#include <divx4.h>
#include <xvid.h>

static vd_info_t info = 
{
	"xvid decoder",
	"xvid",
	VFM_XVID,
	"Albeu",
	"Albeu",
	""
};

LIBVD_EXTERN(xvid)

typedef struct {
  int cs;
  unsigned char img_type;
  void* hdl;
  mp_image_t* mpi;
} priv_t;

static int do_dr2 = 0;

struct config xvid_dec_opts[] = {
  { "dr2", &do_dr2, CONF_TYPE_FLAG, 0, 0, 1, NULL},
  { "nodr2", &do_dr2, CONF_TYPE_FLAG, 0, 1, 0, NULL},
  {NULL, NULL, 0, 0, 0, 0, NULL}
};

// to set/get/query special features/parameters
static int control(sh_video_t *sh,int cmd,void* arg,...){
  return CONTROL_UNKNOWN;
}

// init driver
static int init(sh_video_t *sh){
  XVID_INIT_PARAM ini;
  XVID_DEC_PARAM dec_p;
  priv_t* p;
  int cs;

  memset(&ini,0,sizeof(XVID_INIT_PARAM));
  memset(&dec_p,0,sizeof(XVID_DEC_PARAM));

  if(!mpcodecs_config_vo(sh,sh->disp_w,sh->disp_h,IMGFMT_YV12))
    return 0;

  switch(sh->codec->outfmt[sh->outfmtidx]){
  case IMGFMT_YV12:
#ifdef XVID_CSP_EXTERN
    cs= do_dr2 ? XVID_CSP_EXTERN : XVID_CSP_USER;
#else
    cs= XVID_CSP_USER;
#endif
    break;
  case IMGFMT_YUY2:
    cs=XVID_CSP_YUY2;
    break;
  case IMGFMT_UYVY:
    cs=XVID_CSP_UYVY;
    break;
  case IMGFMT_I420: 
  case IMGFMT_IYUV:
    cs=XVID_CSP_I420;
    break;
  case IMGFMT_BGR15: 
    cs=XVID_CSP_RGB555;
    break;
  case IMGFMT_BGR16: 
    cs=XVID_CSP_RGB565;
    break;
  case IMGFMT_BGR24:
    cs=XVID_CSP_RGB24;
    break;
  case IMGFMT_BGR32:
    cs=XVID_CSP_RGB32;
    break;
  case IMGFMT_YVYU:
    cs=XVID_CSP_YVYU;
    break;
  default:
    mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Unsupported out_fmt: 0x%X\n",sh->codec->outfmt[sh->outfmtidx]);
    return 0;
  }
  
  if(xvid_init(NULL, 0, &ini, NULL))
    return 0;

  if(ini.api_version != API_VERSION) {
    if(ini.api_version < API_VERSION) {
      mp_msg(MSGT_DECVIDEO,MSGL_ERR,"Too old version of xivd (min. %d)\n",API_VERSION);
      return 0;
    }
    mp_msg(MSGT_DECVIDEO,MSGL_WARN,"Bad xvid version %d was compiled with %d\n",
	   ini.api_version,API_VERSION);
  }

  dec_p.width = sh->disp_w;
  dec_p.height =  sh->disp_h;

  if(xvid_decore(NULL, XVID_DEC_CREATE, &dec_p, NULL)) {
    mp_msg(MSGT_DECVIDEO,MSGL_ERR,"xvid init failed\n");
    return 0;
  }

  p = (priv_t*)malloc(sizeof(priv_t));
  p->cs = cs;
  p->hdl = dec_p.handle;
  sh->context = p;

  switch(cs) {
#ifdef XVID_CSP_EXTERN
  case XVID_CSP_EXTERN:
    p->img_type = MP_IMGTYPE_STATIC;
    break;
#endif
  case XVID_CSP_USER:
    p->img_type = MP_IMGTYPE_EXPORT;
    break;
  default:
    p->img_type = MP_IMGTYPE_TEMP;
    break;
  }

  return 1;
}

// uninit driver
static void uninit(sh_video_t *sh){
  priv_t* p = sh->context;
  if(!p)
    return;
  xvid_decore(p->hdl,XVID_DEC_DESTROY, NULL, NULL);
  free(p);
}

// decode a frame
static mp_image_t* decode(sh_video_t *sh,void* data,int len,int flags){
  XVID_DEC_FRAME dec;
  DEC_PICTURE d4_pic;
#ifdef XVID_CSP_EXTERN
  XVID_DEC_PICTURE pic;
#endif
  priv_t* p = sh->context;

  mp_image_t* mpi = mpcodecs_get_image(sh,  p->img_type,
				       MP_IMGFLAG_ACCEPT_STRIDE,
				       sh->disp_w,sh->disp_h);

  if(!data || !mpi || len <= 0)
    return NULL;

  memset(&dec,0,sizeof(XVID_DEC_FRAME));

  dec.bitstream = data;
  dec.length = len;
  switch(p->cs) {
  case XVID_CSP_USER:
    dec.image = &d4_pic;
    break;
#ifdef XVID_CSP_EXTERN
  case XVID_CSP_EXTERN:
    pic.y = mpi->planes[0];
    pic.u = mpi->planes[1];
    pic.v = mpi->planes[2];
    pic.stride_y = mpi->stride[0];
    pic.stride_u = mpi->stride[1];
    pic.stride_v = mpi->stride[2];
    dec.image = &pic;
    break;
#endif
  default:
    dec.image = mpi->planes[0];
    if(IMGFMT_IS_BGR(mpi->imgfmt) || IMGFMT_IS_RGB(mpi->imgfmt))
      dec.stride = mpi->width;
    else
      dec.stride = mpi->stride[0];
  }
  dec.colorspace = p->cs;

  if(xvid_decore(p->hdl,XVID_DEC_DECODE,&dec,NULL)) {
    mp_msg(MSGT_DECVIDEO,MSGL_ERR,"decoding error\n");
    return NULL;
  }

  if(p->cs == XVID_CSP_USER) {
    mpi->planes[0] = d4_pic.y;
    mpi->planes[1] = d4_pic.u;
    mpi->planes[2] = d4_pic.v;
    mpi->stride[0] = d4_pic.stride_y;
    mpi->stride[1] = mpi->stride[2] = d4_pic.stride_uv;
  }

  return mpi;
}

#endif