if(avctx->bits_per_coded_sample == 4 && avctx->pix_fmt==PIX_FMT_PAL8 &&
(!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))){
int i;
- for(i=256*2; i+1 < context->length>>1; i++){
- context->buffer[2*i+0]= buf[i-256*2]>>4;
- context->buffer[2*i+1]= buf[i-256*2]&15;
+ uint8_t *dst = context->buffer + 256*4;
+ buf_size = context->length - 256*4;
+ for(i=0; 2*i+1 < buf_size; i++){
+ dst[2*i+0]= buf[i]>>4;
+ dst[2*i+1]= buf[i]&15;
}
- buf= context->buffer + 256*4;
- buf_size= context->length - 256*4;
+ buf= dst;
}
if(buf_size < context->length - (avctx->pix_fmt==PIX_FMT_PAL8 ? 256*4 : 0))