static int idcin_decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *avpkt) { const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; IdcinContext *s = avctx->priv_data; const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL); s->buf = buf; s->size = buf_size; if (s->frame.data[0]) avctx->release_buffer(avctx, &s->frame); if (avctx->get_buffer(avctx, &s->frame)) { av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); return -1; } idcin_decode_vlcs(s); if (pal) { s->frame.palette_has_changed = 1; memcpy(s->pal, pal, AVPALETTE_SIZE); } /* make the palette available on the way out */ memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE); *data_size = sizeof(AVFrame); *(AVFrame*)data = s->frame; /* report that the buffer was completely consumed */ return buf_size; }