MpegEncContext *s = &v->s;
AVFrame *pict = data;
uint8_t *buf2 = NULL;
- uint8_t *buf_field2 = NULL;
const uint8_t *buf_start = buf;
+ uint8_t *tmp;
int mb_height, n_slices1;
struct {
uint8_t *buf;
slices[n_slices].mby_start = s->mb_height >> 1;
n_slices1 = n_slices - 1; // index of the last slice of the first field
n_slices++;
- // not necessary, ad hoc until I find a way to handle WVC1i
- buf_field2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
- vc1_unescape_buffer(start + 4, size, buf_field2);
break;
}
case VC1_CODE_ENTRYPOINT: /* it should be before frame data */
}
} else if (v->interlace && ((buf[0] & 0xC0) == 0xC0)) { /* WVC1 interlaced stores both fields divided by marker */
const uint8_t *divider;
+ int buf_size3;
divider = find_next_marker(buf, buf + buf_size);
if ((divider == (buf + buf_size)) || AV_RB32(divider) != VC1_CODE_FIELD) {
av_log(avctx, AV_LOG_ERROR, "Error in WVC1 interlaced frame\n");
goto err;
} else { // found field marker, unescape second field
- buf_field2 = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
- vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, buf_field2);
+ tmp = av_realloc(slices, sizeof(*slices) * (n_slices+1));
+ if (!tmp)
+ goto err;
+ slices = tmp;
+ slices[n_slices].buf = av_mallocz(buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ if (!slices[n_slices].buf)
+ goto err;
+ buf_size3 = vc1_unescape_buffer(divider + 4, buf + buf_size - divider - 4, slices[n_slices].buf);
+ init_get_bits(&slices[n_slices].gb, slices[n_slices].buf,
+ buf_size3 << 3);
+ slices[n_slices].mby_start = s->mb_height >> 1;
+ n_slices1 = n_slices - 1;
+ n_slices++;
}
buf_size2 = vc1_unescape_buffer(buf, divider - buf, buf2);
} else {
s->gb = slices[i].gb;
}
if (v->field_mode) {
- av_free(buf_field2);
v->second_field = 0;
- }
- if (v->field_mode) {
if (s->pict_type == AV_PICTURE_TYPE_B) {
memcpy(v->mv_f_base, v->mv_f_next_base,
2 * (s->b8_stride * (s->mb_height * 2 + 1) + s->mb_stride * (s->mb_height + 1) * 2));
for (i = 0; i < n_slices; i++)
av_free(slices[i].buf);
av_free(slices);
- av_free(buf_field2);
return -1;
}