}
/* backup current packet for next turn */
if(pkt->data) {
- av_new_packet(&c->prev_pkt, pkt->size);
- memcpy(c->prev_pkt.data, pkt->data, pkt->size);
+ /* no backup packet yet? create one! */
+ if(!c->prev_pkt.data) av_new_packet(&c->prev_pkt, pkt->size);
+ /* we have a packet and data is big enough, reuse it */
+ if(c->prev_pkt.data && c->prev_pkt.size >= pkt->size) {
+ memcpy(c->prev_pkt.data, pkt->data, pkt->size);
+ c->prev_pkt.size = pkt->size;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "Too less memory for prev_pkt.\n");
+ return AVERROR(ENOMEM);
+ }
}
c->prev_frame_count = frame_count;
break;
static int a64_write_trailer(struct AVFormatContext *s)
{
A64MuxerContext *c = s->priv_data;
- AVPacket pkt;
+ AVPacket pkt = {0};
/* need to flush last packet? */
if(c->interleaved) a64_write_packet(s, &pkt);
+ /* discard backed up packet */
+ if(c->prev_pkt.data) av_destruct_packet(&c->prev_pkt);
return 0;
}