+ audio_chunks = buf_size / s->chunk_size;
+
+ /* get output buffer */
+ s->frame.nb_samples = ((silent_chunks + audio_chunks) * avctx->block_align) / avctx->channels;
+ if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
+ }
+ output_samples_u8 = s->frame.data[0];
+ output_samples_s16 = (int16_t *)s->frame.data[0];
+
+ /* decode silent chunks */
+ if (silent_chunks > 0) {
+ int silent_size = avctx->block_align * silent_chunks;
+ if (s->out_bps == 2) {
+ memset(output_samples_s16, 0x00, silent_size * 2);
+ output_samples_s16 += silent_size;
+ } else {
+ memset(output_samples_u8, 0x80, silent_size);
+ output_samples_u8 += silent_size;
+ }
+ }
+
+ /* decode audio chunks */
+ if (audio_chunks > 0) {
+ buf_end = buf + buf_size;
+ while (buf < buf_end) {
+ if (s->out_bps == 2) {
+ decode_audio_s16(output_samples_s16, buf, s->chunk_size,
+ avctx->channels);
+ output_samples_s16 += avctx->block_align;
+ } else {
+ memcpy(output_samples_u8, buf, s->chunk_size);
+ output_samples_u8 += avctx->block_align;
+ }
+ buf += s->chunk_size;
+ }
+ }