G726Context *c = avctx->priv_data;
int16_t *samples = data;
GetBitContext gb;
+ int out_samples, out_size;
+
+ out_samples = buf_size * 8 / c->code_size;
+ out_size = out_samples * av_get_bytes_per_sample(avctx->sample_fmt);
+ if (*data_size < out_size) {
+ av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
+ return AVERROR(EINVAL);
+ }
init_get_bits(&gb, buf, buf_size * 8);
- while (get_bits_count(&gb) + c->code_size <= buf_size*8)
+ while (out_samples--)
*samples++ = g726_decode(c, get_bits(&gb, c->code_size));
- if(buf_size*8 != get_bits_count(&gb))
+ if (get_bits_left(&gb) > 0)
av_log(avctx, AV_LOG_ERROR, "Frame invalidly split, missing parser?\n");
- *data_size = (uint8_t*)samples - (uint8_t*)data;
+ *data_size = out_size;
return buf_size;
}