aboutsummaryrefslogtreecommitdiffhomepage
path: root/libvo/vo_odivx.c
blob: 8e2201e939760b805ff36931715d3f4b76d307b5 (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
/* 
 *  OpenDivX AVI file writer
 */

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

#include "config.h"
#include "video_out.h"
#include "video_out_internal.h"

LIBVO_EXTERN(odivx)

#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/mman.h>

#include "../encore/encore.h"

#include "fastmemcpy.h"

static vo_info_t vo_info = 
{
	"OpenDivX AVI File writer",
	"odivx",
	"Arpad Gereoffy <arpi@esp-team.scene.hu>",
	""
};

static uint8_t *image=NULL;
static int image_width=0;
static int image_height=0;
static unsigned int image_format=0;
static char *buffer=NULL;
static int frameno=0;

extern char* encode_name;
extern char* encode_index_name;

//static uint32_t draw_slice(uint8_t *src[], uint32_t slice_num)
static uint32_t draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
    uint8_t *s;
    uint8_t *d;
    int i;
    int dstride=image_width;

    // copy Y
    d=image+dstride*y+x;
    s=src[0];
    for(i=0;i<h;i++){
        memcpy(d,s,w);
        s+=stride[0];
        d+=dstride;
    }
    
    w/=2;h/=2;x/=2;y/=2; dstride/=2;
    
    // copy U
    d=image+image_width*image_height + dstride*y+x;
    s=src[1];
    for(i=0;i<h;i++){
        memcpy(d,s,w);
        s+=stride[1];
        d+=dstride;
    }

    // copy V
    d=image+image_width*image_height +image_width*image_height/4 + dstride*y+x;
    s=src[2];
    for(i=0;i<h;i++){
        memcpy(d,s,w);
        s+=stride[2];
        d+=dstride;
    }
    
    return 0;
}

static uint32_t
draw_frame(uint8_t *src[])
{
  uint8_t *d=image;

  switch(image_format){
  case IMGFMT_YV12:
    // copy Y
    memcpy(d,src[0],image_width*image_height);
    // copy U
    d+=image_width*image_height;
    memcpy(d,src[1],image_width*image_height/4);
    // copy V
    d+=image_width*image_height/4;
    memcpy(d,src[2],image_width*image_height/4);
    break;
  case IMGFMT_YUY2: {
    uint8_t *dY=image;
    uint8_t *dU=image+image_width*image_height;
    uint8_t *dV=dU+image_width*image_height/4;
    uint8_t *s=src[0];
    int y;
    for(y=0;y<image_height;y+=2){
      uint8_t *e=s+image_width*2;
      while(s<e){
	*dY++=s[0];
	*dU++=s[1];
	*dY++=s[2];
	*dV++=s[3];
	s+=4;
      }
      e=s+image_width*2;
      while(s<e){
	*dY++=s[0];
	*dY++=s[2];
	s+=4;
      }
    }
    
//  case IMGFMT_BGR|24:
//    memcpy(d,src[0],image_width*image_height*2);
    break;
  }
  }

  return 0;
}

typedef unsigned int DWORD;

typedef struct
{
    DWORD               ckid;
    DWORD               dwFlags;
    DWORD               dwChunkOffset;          // Position of chunk
    DWORD               dwChunkLength;          // Length of chunk
} AVIINDEXENTRY;

static void draw_osd(void)
{
}

static void
flip_page(void)
{

// we are rady to encode this frame
ENC_FRAME enc_frame;
ENC_RESULT enc_result;

if(++frameno<10) return;

enc_frame.image=image;
enc_frame.bitstream=buffer;
enc_frame.length=0;
encore(0x123,0,&enc_frame,&enc_result);

printf("coded length: %ld  \n",enc_frame.length);

if(encode_name){
  AVIINDEXENTRY i;
  FILE *file;
  i.ckid=('c'<<24)|('d'<<16)|('0'<<8)|'0'; // "00dc"
  i.dwFlags=enc_result.isKeyFrame?0x10:0;
  i.dwChunkLength=enc_frame.length;
  // Write AVI chunk:
  if((file=fopen(encode_name,"ab"))){
    unsigned char zerobyte=0;
    i.dwChunkOffset=ftell(file);
    fwrite(&i.ckid,4,1,file);
    fwrite(&enc_frame.length,4,1,file);
    fwrite(buffer,enc_frame.length,1,file);
    if(enc_frame.length&1) fwrite(&zerobyte,1,1,file); // padding
    fclose(file);
  }
  // Write AVI index:
  if(encode_index_name && (file=fopen(encode_index_name,"ab"))){
    fwrite(&i,sizeof(i),1,file);
    fclose(file);
  }
}


}

static uint32_t
query_format(uint32_t format)
{
    switch(format){
    case IMGFMT_YV12:
    case IMGFMT_YUY2:
//    case IMGFMT_BGR|24:
        return 1;
    }
    return 0;
}

extern int encode_bitrate;

static uint32_t
init(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t fullscreen, char *title, uint32_t format)
{
	uint32_t frame_size;
        ENC_PARAM enc_param;

//	file = fopen("encoded.odvx","wb");
//        if(!file) return -1;
        
    switch(format){
    case IMGFMT_YV12:
        frame_size=width*height+width*height/2;
//        enc_param.flip=2; // 0=RGB  1=flippedRGB  2=planarYUV format
        break;
    case IMGFMT_YUY2:
//    case IMGFMT_BGR|24:
//        enc_param.flip=0; // 0=RGB  1=flippedRGB  2=planarYUV format
//        frame_size=width*height*2;
        frame_size=width*height+width*height/2;
        break;
    default: return -1; // invalid format
    }

    enc_param.x_dim=width;
    enc_param.y_dim=height;

    image_width=width;
    image_height=height;
    image_format=format;
    image=malloc(frame_size);

	//clear the buffer
	memset(image,0x80,frame_size);

    // buffer for encoded video data:
    buffer=malloc(0x100000);
    if(!buffer) return -1;

    // encoding parameters:
    enc_param.framerate=25.0;
    enc_param.bitrate=encode_bitrate?encode_bitrate:780000;
    enc_param.rc_period=300;
    enc_param.max_quantizer=15;
    enc_param.min_quantizer=1;
    enc_param.search_range=128;

    // init codec:
    encore(0x123,ENC_OPT_INIT,&enc_param,NULL);

  return 0;
}

static const vo_info_t*
get_info(void)
{
	return &vo_info;
}

static void
uninit(void)
{
}



static void check_events(void)
{
}