int av_new_packet(AVPacket *pkt, int size) { uint8_t *data; if((unsigned)size > (unsigned)size + FF_INPUT_BUFFER_PADDING_SIZE) return AVERROR(ENOMEM); data = av_malloc(size + FF_INPUT_BUFFER_PADDING_SIZE); if (!data) return AVERROR(ENOMEM); memset(data + size, 0, FF_INPUT_BUFFER_PADDING_SIZE); av_init_packet(pkt); pkt->data = data; pkt->size = size; pkt->destruct = av_destruct_packet; return 0; }