av_log(h->avctx, AV_LOG_ERROR,
"position out of block bounds at pic %d MB(%d,%d)\n",
h->cur.poc, h->mbx, h->mby);
- return -1;
+ return AVERROR_INVALIDDATA;
}
dst[scantab[pos]] = (level_buf[coeff_num] * mul + round) >> shift;
}
const struct dec_2dvlc *r, int esc_golomb_order,
int qp, uint8_t *dst, int stride)
{
- int i, level_code, esc_code, level, run, mask;
+ int i, level_code, esc_code, level, run, mask, ret;
int16_t level_buf[65];
uint8_t run_buf[65];
int16_t *block = h->block;
level_buf[i] = level;
run_buf[i] = run;
}
- if (dequant(h, level_buf, run_buf, block, dequant_mul[qp],
- dequant_shift[qp], i))
- return -1;
+ if ((ret = dequant(h, level_buf, run_buf, block, dequant_mul[qp],
+ dequant_shift[qp], i)) < 0)
+ return ret;
h->cdsp.cavs_idct8_add(dst, block, stride);
- h->dsp.clear_block(block);
+ h->bdsp.clear_block(block);
return 0;
}
/* get coded block pattern */
int cbp = get_ue_golomb(&h->gb);
- if (cbp > 63) {
- av_log(h->avctx, AV_LOG_ERROR, "illegal inter cbp\n");
- return -1;
+ if (cbp > 63 || cbp < 0) {
+ av_log(h->avctx, AV_LOG_ERROR, "illegal inter cbp %d\n", cbp);
+ return AVERROR_INVALIDDATA;
}
h->cbp = cbp_tab[cbp][1];
pred_mode_uv = get_ue_golomb(gb);
if (pred_mode_uv > 6) {
av_log(h->avctx, AV_LOG_ERROR, "illegal intra chroma pred mode\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
ff_cavs_modify_mb_i(h, &pred_mode_uv);
/* get coded block pattern */
if (h->cur.f->pict_type == AV_PICTURE_TYPE_I)
cbp_code = get_ue_golomb(gb);
- if (cbp_code > 63) {
+ if (cbp_code > 63 || cbp_code < 0) {
av_log(h->avctx, AV_LOG_ERROR, "illegal intra cbp\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
h->cbp = cbp_tab[cbp_code][0];
if (h->cbp && !h->qp_fixed)
static int decode_pic(AVSContext *h)
{
+ int ret;
int skip_count = -1;
enum cavs_mb mb_type;
h->cur.f->pict_type = get_bits(&h->gb, 2) + AV_PICTURE_TYPE_I;
if (h->cur.f->pict_type > AV_PICTURE_TYPE_B) {
av_log(h->avctx, AV_LOG_ERROR, "illegal picture type\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
/* make sure we have the reference frames we need */
if (!h->DPB[0].f->data[0] ||
(!h->DPB[1].f->data[0] && h->cur.f->pict_type == AV_PICTURE_TYPE_B))
- return -1;
+ return AVERROR_INVALIDDATA;
} else {
h->cur.f->pict_type = AV_PICTURE_TYPE_I;
if (get_bits1(&h->gb))
skip_bits(&h->gb, 1); //marker_bit
}
- ff_get_buffer(h->avctx, h->cur.f, h->cur.f->pict_type == AV_PICTURE_TYPE_B ?
- 0 : AV_GET_BUFFER_FLAG_REF);
+ ret = ff_get_buffer(h->avctx, h->cur.f, h->cur.f->pict_type == AV_PICTURE_TYPE_B ?
+ 0 : AV_GET_BUFFER_FLAG_REF);
+ if (ret < 0)
+ return ret;
if (!h->edge_emu_buffer) {
int alloc_size = FFALIGN(FFABS(h->cur.f->linesize[0]) + 32, 32);