PNMContext * const s = avctx->priv_data;
AVFrame *picture = data;
AVFrame * const p = (AVFrame*)&s->picture;
- int i, j, n, linesize, h, upgrade = 0;
+ int i, j, n, linesize, h, upgrade = 0, is_mono = 0;
unsigned char *ptr;
int components, sample_len;
n = (avctx->width + 7) >> 3;
components=1;
sample_len=1;
+ is_mono = 1;
do_read:
ptr = p->data[0];
linesize = p->linesize[0];
s->bytestream++;
if(s->bytestream >= s->bytestream_end)
return -1;
- do{
- v= 10*v + c;
- c= (*s->bytestream++) - '0';
- }while(c <= 9);
+ if (is_mono) {
+ /* read a single digit */
+ v = (*s->bytestream++) - '0';
+ } else {
+ /* read a sequence of digits */
+ do {
+ v = 10*v + c;
+ c = (*s->bytestream++) - '0';
+ } while (c <= 9);
+ }
put_bits(&pb, sample_len, (((1<<sample_len)-1)*v + (s->maxval>>1))/s->maxval);
}
flush_put_bits(&pb);