const uint8_t *val_table, int nb_codes,
int use_static, int is_ac)
{
- uint8_t huff_size[256];
+ uint8_t huff_size[256] = { 0 };
uint16_t huff_code[256];
uint16_t huff_sym[256];
int i;
assert(nb_codes <= 256);
- memset(huff_size, 0, sizeof(huff_size));
ff_mjpeg_build_huffman_codes(huff_size, huff_code, bits_table, val_table);
for (i = 0; i < 256; i++)
s->h_max = s->h_count[i];
if (s->v_count[i] > s->v_max)
s->v_max = s->v_count[i];
+ if (!s->h_count[i] || !s->v_count[i]) {
+ av_log(s->avctx, AV_LOG_ERROR, "h/v_count is 0\n");
+ return -1;
+ }
s->quant_index[i] = get_bits(&s->gb, 8);
if (s->quant_index[i] >= 4)
return -1;
if(nb_components == 3 && s->nb_components == 3 && s->avctx->pix_fmt == PIX_FMT_GBR24P)
index = (i+2)%3;
+ if(nb_components == 1 && s->nb_components == 3 && s->avctx->pix_fmt == PIX_FMT_GBR24P)
+ index = (index+2)%3;
s->comp_index[i] = index;