n = frame->nb_samples - 1;
+ /* NB: This is safe as we don't have AV_CODEC_CAP_SMALL_LAST_FRAME. */
+ av_assert0(n == 4095);
+
// store AdpcmCodeSize
put_bits(&pb, 2, 2); // set 4-bit flash adpcm format
}
if (avctx->trellis > 0) {
- if (!(buf = av_malloc(2 * n)))
- return AVERROR(ENOMEM);
+ uint8_t buf[8190 /* = 2 * n */];
adpcm_compress_trellis(avctx, samples + avctx->channels, buf,
&c->status[0], n, avctx->channels);
if (avctx->channels == 2)
if (avctx->channels == 2)
put_bits(&pb, 4, buf[n + i]);
}
- av_free(buf);
} else {
for (i = 1; i < frame->nb_samples; i++) {
put_bits(&pb, 4, adpcm_ima_compress_sample(&c->status[0],