69 if (tags->
fourcc == fourcc)
116 void *
data,
int *data_size,
119 const uint8_t *buf = avpkt->
data;
120 int buf_size = avpkt->
size;
139 uint8_t *dst = context->
buffer;
140 buf_size = context->
length - 256*4;
142 for(i=0; 2*i+1 < buf_size; i++){
143 dst[2*i+0]= buf[i]>>4;
144 dst[2*i+1]= buf[i]&15;
147 for(i=0; 4*i+3 < buf_size; i++){
148 dst[4*i+0]= buf[i]>>6;
149 dst[4*i+1]= buf[i]>>4&3;
150 dst[4*i+2]= buf[i]>>2&3;
151 dst[4*i+3]= buf[i] &3;
158 buf += buf_size - context->
length;
180 flip(avctx, picture);
190 for(y = 0; y < avctx->
height; y++) {
191 for(x = 0; x < avctx->
width; x++)
192 line[2*x + 1] ^= 0x80;